Pollen-feeder
Guides
Acanthogethes
pollen beetles
Acanthogethes is a genus of pollen beetles in the family Nitidulidae, established by Reitter in 1871. The genus contains five described species distributed in the Palearctic region. These small beetles are associated with flowers and pollen, a characteristic trait of their family.
Acmaeodera cuneata
Acmaeodera cuneata is a species of metallic wood-boring beetle in the family Buprestidae. It is found in North America. Like other members of the genus Acmaeodera, adults are typically flower visitors, feeding on pollen.
Acmaeodera flavomarginata
Yellow-margined Flower Buprestid
Acmaeodera flavomarginata is a species of metallic wood-boring beetle in the family Buprestidae. It is one of relatively few North American jewel beetles that exhibits fall activity, with adults emerging in autumn rather than the more typical spring-summer period seen in most congeners. Adults are readily attracted to flowers, particularly those in the family Asteraceae, where they feed on pollen. The species has been documented across a broad geographic range spanning Central America, North America, and South America, with specific records from the southcentral United States including Texas and Oklahoma.
Acmaeodera macra
metallic wood-boring beetle
Acmaeodera macra is a species of jewel beetle (family Buprestidae) notable for its unusual fall activity period, occurring from late August through September when most North American Acmaeodera species have finished their seasonal activity. Adults are medium-sized with black coloration, bronzy sheen, and typically eight small yellow spots arranged in two longitudinal rows on each elytron. The species occurs across the southern Great Plains and southwestern United States, with its northernmost records in northwestern Oklahoma.
Acmaeodera quadrivittatoides
Acmaeodera quadrivittatoides is a metallic wood-boring beetle in the family Buprestidae, described by Nelson & Westcott in 1995. The species occurs in Central America and North America, with documented records from the southwestern United States and Mexico. Field observations indicate adults are attracted to flowers, particularly those of Opuntia species and various composites, where they feed on pollen.
Antherophagus ochraceus
silken fungus beetle
Antherophagus ochraceus is a silken fungus beetle (family Cryptophagidae) native to North America. It is one of the largest members of its family, measuring 4-5 mm as an adult. The species exhibits a distinctive phoretic relationship with bumblebees, attaching to bees to reach their nests where larvae develop.
Anthicinae
ant-like flower beetles
Anthicinae is a subfamily of ant-like flower beetles within the family Anthicidae, first described by Latreille in 1819. The group comprises approximately 38 genera and is characterized by its ant-mimetic morphology. Members are small beetles commonly found in flowers and associated vegetation. The subfamily is widely distributed with over 11,000 observations documented on iNaturalist.
Anthophylax viridis
Green Flower Longhorn
Anthophylax viridis is a species of flower longhorn beetle in the subfamily Lepturinae. It is found in eastern North America, including the northeastern United States and southeastern Canada. Adults are associated with flowers and are known to visit a variety of blooming plants. The species is one of several in the genus Anthophylax, which are characterized by their flower-visiting behavior and relatively small size among longhorn beetles.
Bruchus rufimanus
Broadbean Weevil, Broad Bean Beetle, Broad Bean Seed Beetle
Bruchus rufimanus is a univoltine leaf beetle and major agricultural pest of faba beans (Vicia faba). Adults feed on pollen and nectar, particularly from Fabaceae, while larvae develop inside seeds where they are protected from control measures. The species exhibits precise phenological synchrony with its host plant, with adult colonization timed to crop flowering. Sexual maturation is triggered by photoperiod and pollen consumption, with females becoming reproductive after ingesting faba bean pollen. Overwintering occurs as dormant adults in protected sites or as larvae/pupae within stored seeds.
Chauliognathus limbicollis
soldier beetle
Chauliognathus limbicollis is a soldier beetle in the family Cantharidae. Adults have been observed feeding on flowers of yellow Asteraceae, particularly Helianthus annuus (annual sunflower) and Heterotheca species, in shortgrass prairie and mesquite chaparral habitats. The species was historically documented from southwestern states including Arizona, Colorado, New Mexico, and Texas, but more recent observations extend its range into Oklahoma.
Cimberis elongata
pine flower snout beetle
Cimberis elongata is a species of pine flower snout beetle in the family Nemonychidae, a group of primitive weevils. It is found in North America, with records from Canada (British Columbia, Manitoba, New Brunswick) and the United States. The species belongs to a small genus of pollen-feeding beetles associated with conifers.
Collops quadriguttatus
Collops quadriguttatus is a species of soft-winged flower beetle in the family Melyridae. Members of the genus Collops are frequently encountered on flowers where they feed on pollen and small arthropods. The specific epithet "quadriguttatus" (meaning "four-spotted") likely refers to a characteristic spotted color pattern on the elytra. Soft-winged flower beetles are generally small, active beetles with soft elytra and are important components of flower-visiting insect communities.
Crossidius suturalis suturalis
Crossidius suturalis suturalis is a subspecies of longhorn beetle (Cerambycidae) in the genus Crossidius. It occurs in the southwestern United States and northern Mexico. Adults have been observed on flowers of Isocoma tenuisecta (burroweed) and related Isocoma species, particularly in late summer and early fall. The subspecies is part of a complex of fall-active Crossidius beetles associated with composite host plants.
Desmocerus californicus
California Elderberry Borer, Valley Elderberry Longhorn Beetle
Desmocerus californicus is a longhorned beetle endemic to the United States, with two recognized subspecies. The nominate subspecies D. c. californicus occurs in California, while D. c. dimorphus (the valley elderberry longhorn beetle) is restricted to the Central Valley of California and is federally listed as threatened. Adults are active for only a few weeks per year and feed on Sambucus pollen.
Frankliniella tritici
eastern flower thrips, flower thrips
Frankliniella tritici, the eastern flower thrips, is one of the most abundant flower thrips species in the eastern United States. It inhabits blossoms of wild and cultivated plants, including dandelion, and feeds by extracting nutrients directly from individual plant cells. Unlike several congeners, it is not a vector of Tomato spotted wilt virus and is considered a pest of secondary economic importance. It can be difficult to distinguish from similar Frankliniella species without microscopic examination.
Geocoris black-calli-az
bigeyed bug
Geocoris black-calli-az is a species of bigeyed bug in the family Geocoridae. Members of this genus are predatory insects recognized for their large, conspicuous eyes. The species has been documented in association with agricultural systems where Geocoris species serve as natural enemies of crop pests.
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protected]technical-issues-objectdoctorate-in-ecology-degree122-Briggs-Hall-addressUC-Davis-institutionnatural-habitats-subjectbiological-control-objectagricultural-landscapes-contextfield-studies-subjectmeta-analyses-subjectconflicting-effects-objecthabitat-diversity-subjectmechanistic-model-subjectpest/predator-dynamics-objectin-silico-experimentation-methodnatural-habitats-objectdispersal-behavior-modifierconservation-biological-control-objectlygus-subjectGeocoris-subjectcotton-contextannual-crop-generalityplant-bug-generalitypredatory-bug-generalityecological-research-engagementsimulation-modeling-useinstructional-design-useHyperSkill-platformno-code-authoring-descriptionVR-learning-experience-descriptionretirement-statusJay-Rosenheim-lab-pastlandscape-ecology-focusnatural-enemies-agricultural-systems-contextlandscape-scale-simulation-methodnatural-habitat-resource-responsecrop-pest-load-effectdoctorate-1991joint-program-UC-Davis/SDSUcareer-role-varietyBetty-Irene-Moore-School-pastUC-Davis-Health-System-pastContinuing-and-Professional-Education-pastSimInsights-currentHyperSkill-platform-currentAmanda-Hodson-coordinatorfull-list-referenceakhodson-contacttechnical-issues-contactecologist-presenterdoctorate-credential4:10-p.m.-presentationMonday-presentationOct.-21-presentationRoom-122-locationBriggs-Hall-locationUC-Davis-locationZoom-accessrecording-archive-accessnatural-habitat-effectbiological-control-effectagricultural-landscape-contextfield-study-conflictmeta-analysis-conflictmechanistic-model-developmentpest-predator-dynamicsin-silico-experiment-enablementlandscape-factor-variationnatural-habitat-coveragenatural-habitat-distributionresource-variationnatural-habitat-sourcecrop-sourcepredator-trait-variationoverwintering-densitydispersal-distancepredator-search-areacrop-pest-load-variationsimulation-scenario-mimicryfield-research-result-mimicrysimulation-result-suggestionnatural-enemy-response-moderationdispersal-behavior-moderation-extentearly-colonizer-variationnatural-enemy-variable-responsein-silico-experimentation-inform-potentialfield-research-inform-potentialprediction-yield-potentialconservation-biological-control-success-timinglygus-approximationGeocoris-approximationcotton-system-approximationcareer-path-eclecticityecological-research-inclusionteaching-inclusionmathematical-modeling-inclusioncomputer-programming-inclusioninstructional-design-inclusionproject-management-inclusionteam-leadership-inclusioncurrent-engagement-ecological-researchsimulation-modeling-use-currentagricultural-landscape-structure-explorationcrop-pest-insect-impactnatural-enemy-impactretirement-full-timeactive-engagement-designSimInsights-consultation-currentHyperSkill-no-code-platformVR-learning-experience-creationJay-Rosenheim-lab-formerdistinguished-professor-emerituslandscape-ecology-natural-enemies-focuslandscape-scale-simulation-currentnatural-habitat-resource-response-simulationdoctorate-ecology-1991joint-UC-Davis/SDSU-programBetty-Irene-Moore-School-of-Nursing-formerinstructional-innovative-specialist-formerUC-Davis-Health-System-formersenior-instructional-designer-formerUC-Davis-Continuing-and-Professional-Education-formerAmanda-Hodson-assistant-professorENT-seminar-coordinationfull-list-online[email protected]technical-issue-contactecology-researcher-descriptionresearch-associate-descriptiondoctorate-ecology-joint-program-description4:10-p.m.-October-21-seminarRoom-122-Briggs-Hall-seminarUC-Davis-Department-of-Entomology-and-Nematology-hostZoom-seminar-linkrecording-archive-onlinenatural-habitat-biological-control-effectagricultural-landscape-field-study-conflicthabitat-diversity-biological-control-effect-conflictmechanistic-model-pest-predator-dynamicsin-silico-experimentation-landscape-factornatural-habitat-coverage-distribution-variationcrop-natural-habitat-resource-variationpredator-overwintering-dispersal-search-variationcrop-pest-load-simulation-variationnatural-enemy-response-landscape-structuredispersal-behavior-response-moderationresource-availability-early-colonizer-pivotnatural-enemy-landscape-heterogeneity-responsein-silico-field-research-mutual-informconservation-biological-control-predictionlygus-Geocoris-cotton-simulationannual-crop-plant-bug-predatory-bug-generalityeclectic-career-ecological-research-teaching-modeling-programming-design-management-leadershipcurrent-ecological-research-simulation-modelingagricultural-landscape-crop-pest-natural-enemyretired-active-instructional-designSimInsights-HyperSkill-VR-consultationJay-Rosenheim-lab-landscape-ecology-formerdoctorate-1991-UC-Davis-SDSU-jointBetty-Irene-Moore-Nursing-innovative-specialist-formerUC-Davis-Health-Continuing-Education-designer-formerAmanda-Hodson-ENT-seminar-coordinationtechnical-issues-akhodson-contactAndrew-Corbett-ecology-researcher-UC-Davis4:10-p.m.-Monday-Oct-21-122-Briggs-Hall-Zoomnatural-habitat-effect-biological-control-agricultural-landscapefield-study-meta-analysis-conflicting-habitat-diversity-effectmechanistic-model-in-silico-landscape-factor-predator-trait-variationcrop-pest-load-simulation-natural-enemy-response-resource-availabilitylygus-Geocoris-cotton-annual-crop-plant-bug-predatory-bugcareer-eclectic-current-ecological-retired-active-design-consultationdoctorate-1991-joint-program-former-nursing-health-continuing-educationENT-seminar-Hodson-coordination-technical-contactecology-researcher-Corbett-4:10-p.m.-Oct-21-Zoom-Briggshabitat-biological-control-conflict-model-simulation-predictionGeocoris-lygus-cotton-generality-simulation-fieldcareer-path-doctorate-former-current-retired-consultationseminar-coordination-contact-technical-Zoom-recordingnatural-enemy-landscape-resource-dispersal-colonizermechanistic-in-silico-experimentation-field-informconservation-biological-control-success-predictionagricultural-landscape-structure-pest-enemysimulation-modeling-instructional-design-VRJay-Rosenheim-distinguished-emeritus-former-labUC-Davis-San-Diego-State-joint-doctorateBetty-Irene-Moore-innovative-specialist-UC-HealthContinuing-Professional-Education-senior-designerAmanda-Hodson-assistant-professor-ENT-seminarakhodson-technical-contactAndrew-Corbett-research-associate-ecology4:10-Monday-October-21-2024-inferenceRoom-122-Briggs-Hall-Davishttps://ucdavis.zoom.us/j/95882849672https://entomology.ucdavis.edu/seminarsfield-meta-analysis-conflict-habitat-diversitymechanistic-pest-predator-in-silicolandscape-natural-habitat-crop-resource-predator-traitcrop-pest-simulation-natural-enemy-resource-availabilitylygus-Geocoris-cotton-plant-bug-predatory-bug-annualeclectic-career-ecological-simulation-agricultural-landscaperetired-active-design-SimInsights-HyperSkill-VRMoore-Nursing-Health-Continuing-Education-formerHodson-ENT-seminar-akhodson-technicalCorbett-ecology-researcher-4:10-p.m.-Oct-21-Zoom-Davishabitat-biological-control-agricultural-landscape-conflict-simulationGeocoris-lygus-cotton-annual-crop-generalitycareer-doctorate-former-current-consultation-seminarnatural-enemy-landscape-structure-dispersal-resourcein-silico-field-prediction-conservation-biological-controlagricultural-system-natural-enemy-pestsimulation-modeling-instructional-design-VR-platformRosenheim-emeritus-distinguished-former-labDavis-San-Diego-State-1991-joint-doctorateMoore-School-Nursing-innovative-specialist-Health-SystemContinuing-Professional-Education-senior-instructional-designerHodson-assistant-professor-ENT-seminar-coordinator[email protected]Corbett-4:10-Monday-October-21-Room-122-Briggs-Zoomhabitat-natural-biological-control-agricultural-landscape-field-conflictmechanistic-model-in-silico-pest-predator-landscape-factorcrop-pest-simulation-enemy-response-resource-colonizerlygus-Geocoris-cotton-plant-bug-predatory-bugcareer-ecological-simulation-retired-design-consultation-doctorateseminar-Hodson-coordination-technical-Zoom-Davisenemy-landscape-dispersal-resource-availability-predictionconservation-biological-control-success-agricultural-systemsimulation-instructional-VR-HyperSkill-SimInsightsRosenheim-lab-emeritus-distinguished-formerDavis-San-Diego-State-joint-1991Moore-Nursing-Health-Continuing-EducationHodson-ENT-akhodson-technicalCorbett-ecology-4:10-Oct-21-Briggs-Zoomhabitat-biological-control-conflict-simulation-predictionGeocoris-lygus-cotton-annual-generalitycareer-doctorate-former-current-retired-seminarnatural-enemy-landscape-resource-dispersal-colonizer-availabilityin-silico-field-inform-conservation-biological-controlagricultural-landscape-pest-enemy-structuresimulation-modeling-design-VR-platform-consultationJay-Rosenheim-distinguished-professor-emeritus-formerUC-Davis-San-Diego-State-1991-jointBetty-Irene-Moore-School-Nursing-innovative-specialistUC-Davis-Health-System-Continuing-Professional-Educationakhodson-technical-issue-contactAndrew-Corbett-research-associate-ecology-UC-Davis4:10-p.m.-Monday-October-21-Room-122-Briggs-HallZoom-https://ucdavis.zoom.us/j/95882849672recording-https://entomology.ucdavis.edu/seminarsfield-study-meta-analysis-habitat-diversity-biological-control-conflictmechanistic-model-pest-predator-dynamics-in-silico-experimentationlandscape-factor-natural-habitat-coverage-distribution-resource-predator-traitcrop-pest-load-simulation-scenario-natural-enemy-responselygus-Geocoris-cotton-plant-bug-predatory-bug-annual-cropeclectic-career-path-ecological-research-teaching-mathematical-modeling-computer-programminginstructional-design-project-management-team-leadershipcurrent-engagement-ecological-research-simulation-modeling-agricultural-landscaperetired-full-time-active-design-creation-SimInsights-HyperSkill-VRdoctorate-ecology-June-1991-joint-UC-Davis-San-Diego-StateBetty-Irene-Moore-School-of-Nursing-instructional-innovative-specialistUC-Davis-Health-System-senior-instructional-designer-Continuing-Professional-EducationAmanda-Hodson-assistant-professor-ENT-seminar-coordinator-akhodson@ucdavis.eduAndrew-Corbett-ecologist-research-associate-Ph.D.4:10-p.m.-Monday-Oct.-21-Room-122-Briggs-Hall-UC-DavisZoom-seminar-recording-archiveconflicting-field-study-meta-analysis-results-habitat-diversitydetailed-mechanistic-model-pest-predator-dynamics-in-silico-experimentationvarying-landscape-factors-natural-habitat-coverage-distributionvarying-resources-natural-habitats-cropsvarying-predator-traits-overwintering-densities-dispersal-distances-search-areahighly-variable-crop-pest-loads-simulation-scenariosnatural-enemy-response-landscape-structure-dispersal-behavior-moderationresource-availability-early-colonizers-pivotalvariable-natural-enemy-responses-landscape-heterogeneityin-silico-experimentation-field-research-inform-predictionconservation-biological-control-successlygus-Geocoris-cotton-approximationannual-crop-plant-bug-predatory-bug-combinationeclectic-career-ecological-research-teaching-modeling-programming-design-managementcurrent-ecological-research-simulation-modeling-instructional-designretired-active-SimInsights-HyperSkill-VR-consultationdoctorate-1991-joint-UC-Davis-SDSUformer-Betty-Irene-Moore-Nursing-Health-Continuing-EducationAmanda-Hodson-ENT-seminar-akhodson-technicalCorbett-4:10-Oct-21-Briggs-Zoom-Davishabitat-biological-control-conflict-model-simulationGeocoris-lygus-cotton-generalitycareer-doctorate-former-current-retirednatural-enemy-landscape-resource-dispersalin-silico-field-prediction-conservationagricultural-system-pest-enemysimulation-design-VR-platformRosenheim-emeritus-distinguished-formerDavis-San-Diego-State-1991Hodson-ENT-seminar-technicalCorbett-ecology-researcher-4:10-Monday-October-21archive-https://entomology.ucdavis.edu/seminarsfield-meta-analysis-conflict-habitatmechanistic-in-silico-landscape-predatorcrop-pest-simulation-enemy-resourcelygus-Geocoris-cotton-plant-bugeclectic-career-ecological-simulation-retireddoctorate-1991-joint-programseminar-Hodson-coordination-technicalnatural-enemy-landscape-dispersal-resourcesimulation-instructional-VR-consultationJay-Rosenheim-distinguished-emeritus-labUC-Davis-San-Diego-State-doctorateBetty-Irene-Moore-Nursing-innovative-specialist-HealthContinuing-Education-senior-designerAmanda-Hodson-assistant-professor-ENTAndrew-Corbett-research-associate-ecology-Ph.D.4:10-p.m.-Monday-Oct.-21-2024-Room-122-Briggs-HallZoom-link-recording-archivenatural-habitat-biological-control-agricultural-landscape-field-conflictmechanistic-model-pest-predator-in-silico-landscape-factor-variationcrop-pest-load-simulation-natural-enemy-response-resource-availabi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exigua
Grammoptera exigua is a small flower longhorn beetle (Cerambycidae: Lepturinae) first described by Newman in 1841. It belongs to a genus of beetles commonly found on flowers, where adults feed on pollen. The species occurs in eastern North America, with records from Ontario, Québec, and Manitoba in Canada. Like other Grammoptera species, it is associated with woody vegetation and is most often encountered on freshly cut logs or flowering plants.
Ischnomera excavata
Ischnomera excavata is a species of false blister beetle in the family Oedemeridae. The genus Ischnomera comprises approximately 40 species distributed across the Holarctic region, with most species occurring in the Palearctic. Members of this genus are characterized by their slender, elongate bodies and association with flowers, where adults frequently feed on pollen. The species epithet 'excavata' refers to a morphological feature, likely describing a concave or excavated surface on some body part.
Ischnomera puncticollis
Spot-necked Oedemerid
Ischnomera puncticollis is a species of false blister beetle in the family Oedemeridae, commonly known as the spot-necked oedemerid. The species is distinguished from congeners by punctation patterns on the pronotum. Adults are frequently observed on flowers, where they feed on pollen and nectar. The genus Ischnomera contains multiple North American species that are similar in general appearance, requiring careful examination for accurate identification.
Ischnomera ruficollis
Red-necked False Blister Beetle
Ischnomera ruficollis, commonly known as the Red-necked False Blister Beetle, is a small beetle in the family Oedemeridae. Adults have been observed visiting flowers of early spring-blooming woody plants, particularly Prunus mexicana (Mexican plum) and Amelanchier arborea (downy serviceberry), where they feed alongside bees and other beetles. The species exhibits mating behavior on flowers and appears to be an early-season active species in temperate North American woodlands.
Listrus gentry
Listrus gentry is a species of soft-winged flower beetle in the family Melyridae. It is a small beetle, measuring less than 5mm in length. The species has been observed feeding on flowers of Heterotheca stenophylla (stiffleaf false goldenaster) in Oklahoma. Like other members of the genus Listrus, it appears to be associated with asteraceous flowers and is likely a pollen feeder.
Listrus senilis
Listrus senilis is a small soft-winged flower beetle (family Melyridae, subfamily Dasytinae) distributed across the Great Plains of North America. Adults are typically found feeding on pollen of yellow-flowered asteraceous plants, particularly Heterotheca species. The species was redescribed by Mawdsley (1999) who provided notes on its biology.
Microlia
Microlia is a small genus of rove beetles (Staphylinidae: Aleocharinae: Hoplandriini) comprising approximately twelve species. The genus has a disjunct distribution across Australasian and New World regions, with recent records from Brazil representing the first South American occurrences. Members of this genus are obligate pollen-feeders, with multiple species documented in association with flowers of Cucurbitaceae, Solanaceae, Asteraceae, and Monimiaceae.
Nitidulini
Nitidulini is a tribe of small beetles within the family Nitidulidae, established by Latreille in 1802. The tribe comprises approximately 10 genera and at least 20 described species, including economically significant genera such as Aethina and Stelidota. Members are primarily associated with fermenting or decaying plant materials and sap flows. The tribe is taxonomically well-defined within the subfamily Nitidulinae and has been documented across multiple continents.
Orchelimum pulchellum
Handsome meadow katydid
Orchelimum pulchellum, the handsome meadow katydid, is a medium-sized katydid in the family Tettigoniidae. It is distinguished from closely related species by specific morphological features of the pronotum, cerci, and hind femora. The species is found in moist forests and wetlands across the eastern United States, where it feeds on pollen, foliage, and opportunistically on other insects. It is active from mid-summer through mid-autumn in the northern parts of its range.
Pelonides
Pelonides is a genus of checkered beetles in the family Cleridae, established by Kuwert in 1894. The genus comprises approximately six to seven described species distributed in North America. Members of this genus are small beetles typically found on flowers, particularly milkweeds (Asclepias species), where they have been documented feeding on pollen and nectar alongside other flower-visiting beetles.
Poecilanthrax
Poecilanthrax is a large genus of bee-flies (family Bombyliidae) primarily distributed in the Nearctic region. Adults are robust flies with body lengths of 8–14 mm, characterized by large, elongate patterned wings with 2–3 submarginal cells and the absence of vein M2. The genus is notable for its parasitic life history, with larvae developing inside caterpillars of noctuid moths. Approximately 35 species were recognized as of 1960, with greatest diversity in the Great Basin region.
Pygoleptura nigrella
flower longhorn beetle
Pygoleptura nigrella is a species of flower longhorn beetle in the family Cerambycidae. The species is native to North America and includes two recognized subspecies: the nominate P. n. nigrella and P. n. oregonensis. As a member of the subfamily Lepturinae, it is associated with flowers where adults are typically observed feeding on pollen and nectar. The species was originally described by Thomas Say in 1826 under the genus Anoplodera.
Seioptera vibrans
Dark-tipped Wingwaver
Seioptera vibrans is a small ulidiid fly, 5–6 mm in length, recognized by its habit of constantly waving its wings while at rest. Adults are active from May to September in vegetated habitats and feed on flower pollen and small insects including aphids. Larvae develop in leaf litter where they contribute to decomposition.
Silis
Silis is a genus of soldier beetles in the family Cantharidae, established by Charpentier in 1825. The genus contains at least 80 described species distributed across the Northern Hemisphere, with records from Colombia, Denmark, and Norway. Soldier beetles in this genus are soft-bodied, elongated beetles with flexible elytra. They are active predators or pollen feeders as adults.
Spintherophyta
Spintherophyta is a genus of leaf beetles in the subfamily Eumolpinae. The genus exhibits high diversity in the Neotropics, with approximately 71 species recorded from Central and South America, while only four species occur in North America north of Mexico. Species are typically small, globular beetles, often found feeding on pollen in flowers.
Spintherophyta arizonensis
Spintherophyta arizonensis is a small leaf beetle in the family Chrysomelidae, subfamily Eumolpinae, described by Schultz in 1976. The genus Spintherophyta is most diverse in the Neotropics, with only four species occurring in North America north of Mexico. This species is one of the North American representatives of a predominantly Neotropical genus of globular, pollen-feeding leaf beetles.
Stenelytrana gigas
Gigas Longhorn Beetle
Stenelytrana gigas is a species of flower longhorn beetle in the family Cerambycidae, found in North America. The species is characterized by its relatively large size among lepturine longhorns and its association with flowers as an adult. It belongs to a genus of flower-visiting cerambycids that are attracted to diverse floral resources. The species has been documented in both the United States and Mexico, with adults typically active during the warmer months. It is one of several Stenelytrana species in North America, distinguished by its size and morphological features.
Tegrodera aloga
iron cross blister beetle
Tegrodera aloga is a large, conspicuous blister beetle endemic to the Sonoran Desert. Adults are easily recognized by their black bodies with contrasting yellow and red spots and a distinctive black cross pattern on the elytra. The species is notable for its aposematic coloration, which advertises the presence of cantharidin toxins used for defense. Adults feed on spring blossoms and occur in large aggregations during mating and feeding. The species poses a documented risk to livestock, particularly horses, when contaminated alfalfa hay is ingested.
Trichiotinus assimilis
hairy flower scarab, flower chafer, bee-mimic beetle
Trichiotinus assimilis is a scarab beetle in the family Scarabaeidae, commonly known as the hairy flower scarab or bee-mimic beetle. It is found across much of North America, with records from Canada and the northern and western United States. The species is associated with flowers, where adults feed on pollen. It belongs to a genus whose members often exhibit bee-mimicry in appearance.
Typocerus balteatus
flower longhorn
Typocerus balteatus is a species of flower longhorn beetle in the family Cerambycidae, first described by Horn in 1878. It is native to North America and has been documented in the southwestern United States, particularly in association with flowering plants in montane habitats. The species belongs to the subfamily Lepturinae, a group characterized by adults that frequently visit flowers for nectar and pollen.
Typocerus lugubris
Mournful Long-horned Beetle
Typocerus lugubris is a species of flower longhorn beetle in the family Cerambycidae, subfamily Lepturinae. It is distinguished from other Typocerus species by its entirely black coloration without yellow markings. Adults are active during June and July and have been observed visiting flowers, including Hydrangea arborescens and Saururus cernuus, where they feed on pollen. The species occurs in eastern North America, with records from Missouri and surrounding regions.
Typocerus velutinus nobilis
Typocerus velutinus nobilis is a subspecies of the flower longhorn beetle T. velutinus, belonging to the subfamily Lepturinae. Adults are diurnal and visit flowers for feeding. The species is part of a complex of similar-looking Typocerus species that can be difficult to distinguish in the field. Based on the parent species, adults likely have distinct transverse yellow elytral bands and a continuous band of dense yellow pubescence along the basal margin of the pronotum.
Typocerus zebra
Zebra Longhorn Beetle, Zebra Longhorn
Typocerus zebra, commonly known as the zebra longhorn or zebra longhorn beetle, is a species of flower longhorn beetle in the family Cerambycidae. Adults are diurnal and frequently observed on flowers, where they feed on pollen and nectar. The species is distributed across North America and is particularly associated with open habitats where its host flowers grow. Like other members of the subfamily Lepturinae, it exhibits elongated antennae and a slender body form adapted for floral visitation.
Xyelidae
Xyelid Sawflies
Xyelidae is a family of sawflies comprising approximately 80 extant species in five genera worldwide, with an extensive fossil record of over 120 species dating to the Triassic. It is the sole family in the superfamily Xyeloidea and represents the sister group to all other extant Hymenoptera, retaining numerous ancestral morphological features. Extant species are primarily distributed in boreal regions of the Northern Hemisphere, with a relict distribution pattern. The family is divided into two subfamilies: Xyelinae, associated with conifers, and Macroxyelinae, feeding on deciduous trees.
Xylota quadrimaculata
Four-spotted Leafwalker
A common species of syrphid fly found in central and eastern North America. Adults are 8.2–11.3 mm long, black with distinctive yellow-orange spots on the abdomen. Unlike most flower flies, adults rarely visit flowers, instead feeding on pollen from leaf surfaces. The larvae develop in rotting wood under bark in sap runs.
Xylota segnis
Orange-belted Leafwalker, brown-toed forest fly, lazy wood fly
Xylota segnis is a common Palearctic and Nearctic hoverfly distinguished by its black abdomen with a prominent orange or yellowish-red patch on tergites 2 and 3. Adults are notable for their sedentary behavior, often resting motionless on leaves rather than actively flying. The species is polyvoltine with up to three generations annually and has been observed from April through September. Larvae develop in decaying tree sap and have also been recorded from decaying human remains.