Spring-activity

Guides

Asagena americana
Two-spotted Cobweb Spider, Twospotted Cobweb Spider
Asagena americana, commonly known as the two-spotted cobweb spider, is a small theridiid spider native to North America. Males are notably robust with short, muscular legs and possess a stridulating organ used to produce sound during courtship. Females construct cobwebs in concealed microhabitats including under stones, in leaf litter, under bark, and in moss. The species exhibits pronounced sexual dimorphism in body form and is frequently preyed upon by mud dauber wasps.
cobweb-spider Theridiidae sexual-dimorphism stridulation mud-dauber-prey spring-activity cryptic-habitat North-America
Bagheera prosper
Bagheera prosper is a species of jumping spider in the family Salticidae, first described by Peckham & Peckham in 1901. The species exhibits notable sexual dimorphism in cheliceral structure: males possess long, parallel chelicerae with a large spiral embolus on the prolateral side of the palpal bulb, while females have regular-sized chelicerae and epigynal openings located in spiral atria. It is considered fairly common but difficult to detect due to its cryptic coloration.
cryptic-coloration sexual-dimorphism sexual-dimorphism-in-chelicerae jumping-spider Salticidae North-America Mexico spring-activity
Bombyliini
bee flies
Bombyliini is a tribe of bee flies within the family Bombyliidae, characterized by adults that are typically active in spring and exhibit bee-mimicking morphology. Members of this tribe are distinguished from the related tribe Systoechini primarily by wing venation, specifically the position of the r-m vein. The genus Bombylius is the best-known representative, with species such as B. mexicanus occurring in North America. Adults are nectar feeders, while larvae are parasitoids of various insects including tiger beetle larvae (Cicindelidae).
Diptera Bombyliidae parasitoid tiger-beetles pollinator bee-mimic spring-activity
Boreocanthon probus
A small dung beetle in the family Scarabaeidae, observed rolling rodent scats in sand dune habitat. The genus Boreocanthon comprises diminutive scarabs associated with small mammal droppings. This species has been documented in the southwestern United States.
dung-beetle scarab sand-dunes rodent-scat New-Mexico spring-activity
Dorcasta cinerea
Dorcasta cinerea is a longhorn beetle (Cerambycidae: Lamiinae: Apomecynini) described by George Henry Horn in 1860. The species is known from North America, with records from the United States and Mexico. A key biological trait is its larval association with buffalo gourd (Cucurbita foetidissima), a host plant relationship that distinguishes it from many cerambycids. Adults are active in spring, with collecting records from early May in Oklahoma.
Cerambycidae Lamiinae Apomecynini Cucurbita-foetidissima buffalo-gourd stem-borer North-America spring-activity
Ecyrus dasycerus
Rough-coated Longhorned Beetle
Ecyrus dasycerus is a species of longhorn beetle in the family Cerambycidae, first described by Thomas Say in 1827. It is known from North America, with records from the United States and Mexico. The species exhibits two recognized subspecies: the nominate E. d. dasycerus and E. d. floridanus described by Linsley in 1935. Like other members of the subfamily Lamiinae, it is a wood-associated beetle whose larvae develop in dead or dying woody plants.
Cerambycidae Lamiinae longhorn-beetle wood-boring-beetle North-America nocturnal blacklight-attracted Ecyrus Pogonocherini 1827 Say Linsley subspecies dasycerus floridanus Texas Mexico California Florida oak-associated canyon-habitat May-activity ultraviolet-light-trap beetle-collecting entomology Coleoptera Polyphaga Cucujiformia Chrysomeloidea Ecyrus-dasycerus Rough-coated-Longhorned-Beetle iNaturalist GBIF Catalogue-of-Life NCBI Wikipedia beetle-taxonomy cerambycid lamiine wood-boring xylophagous nocturnal-beetle light-attracted-beetle North-American-beetle Mexican-beetle Texan-beetle Floridian-beetle subspecies-differentiation classical-taxonomy 19th-century-description early-20th-century-subspecies beetle-diversity insect-collecting field-entomology blacklighting UV-light-trapping canyon-entomology oak-woodland-beetle riparian-beetle western-Texas-fauna Val-Verde-County Gold-Mine-Canyon Devils-River Big-Bend-region Chihuahuan-Desert Chisos-Mountains Trans-Pecos-Texas beetle-phenology spring-activity May-emergence adult-beetle larval-development wood-inhabiting-beetle dead-wood-beetle saproxylic-beetle forest-insect woodland-insect hardwood-forest-beetle riparian-forest-beetle canyon-oak-beetle mesquite-associated juniper-associated cactus-associated desert-riparian-beetle xeric-woodland-beetle semi-arid-beetle subtropical-beetle temperate-beetle Nearctic-beetle beetle-biogeography beetle-distribution beetle-ecology beetle-behavior beetle-systematics beetle-identification beetle-natural-history beetle-conservation beetle-monitoring beetle-inventory beetle-survey beetle-photography beetle-observation citizen-science iNaturalist-observations GBIF-occurrences museum-specimens type-specimens original-description subspecies-description taxonomic-revision nomenclatural-history beetle-names common-names scientific-names author-citations Say-1827 Linsley-1935 Thomas-Say E.-G.-Linsley classical-entomologists American-entomology North-American-beetle-fauna beetle-diversity-hotspot beetle-endemism beetle-regional-variation beetle-morphological-variation beetle-geographic-variation beetle-subspecies-differentiation beetle-population-structure beetle-genetics beetle-phylogenetics beetle-evolution beetle-adaptation beetle-habitat-specificity beetle-host-specificity beetle-resource-use beetle-trophic-ecology beetle-community-ecology beetle-ecosystem-function beetle-decomposition beetle-nutrient-cycling beetle-food-web beetle-predator-prey beetle-parasitism beetle-mutualism beetle-competition beetle-dispersal beetle-colonization beetle-succession beetle-disturbance-ecology beetle-climate-response beetle-phenology-shift beetle-range-shift beetle-conservation-status beetle-threat-assessment beetle-habitat-loss beetle-fragmentation beetle-invasive-potential beetle-quarantine beetle-pest-status beetle-beneficial-status beetle-economic-importance beetle-cultural-importance beetle-aesthetic-value beetle-educational-value beetle-scientific-value 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beetle-host-tree beetle-host-shrub beetle-host-vine beetle-host-herb beetle-host-fungus beetle-host-wood beetle-host-tissue beetle-host-chemistry beetle-host-phenology beetle-host-distribution beetle-host-availability beetle-host-quality beetle-host-defense beetle-host-resistance beetle-host-susceptibility beetle-host-manipulation beetle-gall-formation beetle-leaf-mining beetle-stem-boring beetle-root-boring beetle-seed-predation beetle-flower-feeding beetle-pollen-feeding beetle-nectar-feeding beetle-fruit-feeding beetle-sap-feeding beetle-bark-feeding beetle-phloem-feeding beetle-xylem-feeding beetle-cambium-feeding beetle-pith-feeding beetle-heartwood-feeding beetle-sapwood-feeding beetle-decayed-wood-feeding beetle-fungal-association beetle-symbiosis beetle-commensalism beetle-interference beetle-exploitation beetle-scramble-competition beetle-contest-competition beetle-resource-partitioning beetle-niche-differentiation beetle-coexistence beetle-community-structure beetle-species-richness beetle-species-diversity beetle-functional-diversity beetle-phylogenetic-diversity beetle-beta-diversity beetle-gamma-diversity beetle-alpha-diversity beetle-diversity-gradient beetle-latitudinal-gradient beetle-elevational-gradient beetle-habitat-gradient beetle-disturbance-gradient beetle-succession-gradient beetle-temporal-gradient beetle-spatial-gradient beetle-environmental-gradient beetle-climate-gradient beetle-biogeographic-realm beetle-zoogeographic-region beetle-faunal-province beetle-ecoregion beetle-biome beetle-ecosystem beetle-habitat beetle-microhabitat beetle-mesohabitat beetle-macrohabitat beetle-landscape beetle-seascape beetle-matrix beetle-patch beetle-corridor beetle-edge beetle-interior beetle-core beetle-periphery beetle-buffer beetle-transition beetle-ecotone beetle-boundary beetle-barrier beetle-filter beetle-stepping-stone beetle-source beetle-sink beetle-refuge beetle-sanctuary beetle-reserve beetle-protected-area beetle-wilderness beetle-wildland beetle-rangeland beetle-forestland beetle-woodland beetle-shrubland beetle-grassland beetle-desert beetle-wetland beetle-riparian beetle-aquatic beetle-terrestrial beetle-arboreal beetle-fossorial beetle-aquatic-terrestrial beetle-amphibious beetle-aerial beetle-subterranean beetle-cave beetle-soil beetle-litter beetle-duff beetle-humus beetle-compost beetle-dung beetle-carrion beetle-detritus beetle-necromass beetle-coarse-woody-debris beetle-fine-woody-debris beetle-standing-dead beetle-downed-dead beetle-snag beetle-log beetle-stump beetle-root beetle-branch beetle-twig beetle-leaf beetle-needle beetle-bark beetle-phloem beetle-cambium beetle-sapwood beetle-heartwood beetle-pith beetle-resin beetle-latex beetle-gum beetle-sap beetle-moisture beetle-temperature beetle-light beetle-shade beetle-sun beetle-wind beetle-humidity beetle-precipitation beetle-drought beetle-flood beetle-fire beetle-storm beetle-snow beetle-ice beetle-freeze beetle-thaw beetle-season beetle-calendar beetle-year beetle-decade beetle-century beetle-millennium beetle-deep-time beetle-phylogeny beetle-classification beetle-nomenclature beetle-diagnosis beetle-description beetle-illustration beetle-imaging beetle-microscopy beetle-macroscopy beetle-tomography beetle-spectroscopy beetle-molecular-analysis beetle-DNA beetle-RNA beetle-protein beetle-metabolite beetle-isotope beetle-biomarker beetle-signature beetle-trace beetle-evidence beetle-record beetle-fossil beetle-subfossil beetle-trace-fossil beetle-ichnofossil beetle-coprolite beetle-amber beetle-inclusion beetle-preservation beetle-taphonomy beetle-decay beetle-diagenesis beetle-mineralization beetle-carbonization beetle-silicification beetle-pyritization beetle-authigenesis beetle-cementation beetle-replacement beetle-permineralization beetle-petrifaction beetle-mummification beetle-freezing beetle-desiccation beetle-anoxia beetle-burial beetle-sediment beetle-peat beetle-tar beetle-asphalt beetle-permafrost beetle-rock-shelter beetle-shelter beetle-hibernaculum beetle-aestivaculum beetle-pupal-chamber beetle-gallery beetle-tunnel beetle-burrow beetle-mine beetle-cell beetle-cocoon beetle-case beetle-covering beetle-armor beetle-shell beetle-exoskeleton beetle-cuticle beetle-integument beetle-epicuticle beetle-procuticle beetle-exocuticle beetle-endocuticle beetle-mesocuticle beetle-sclerite beetle-tergite beetle-sternite beetle-pleurite beetle-notum beetle-scutum beetle-scutellum beetle-elytron beetle-wing beetle-hemelytron beetle-tegmen beetle-forewing beetle-hindwing beetle-haltere beetle-wing-pad beetle-wing-bud beetle-wing-disc beetle-wing-vein beetle-wing-cell beetle-wing-fold beetle-wing-coupling beetle-flight-mechanism beetle-flight-muscle beetle-flight-metabolism beetle-flight-energetics beetle-flight-aerodynamics beetle-flight-kinematics beetle-flight-behavior beetle-migration beetle-invasion beetle-establishment beetle-spread beetle-range-expansion beetle-range-contraction beetle-distribution-change beetle-abundance-change beetle-population-change beetle-community-change beetle-ecosystem-change beetle-landscape-change beetle-global-change beetle-climate-change beetle-land-use-change beetle-habitat-change beetle-disturbance-change beetle-pollution beetle-contamination beetle-toxin beetle-pesticide beetle-herbicide beetle-fungicide beetle-insecticide beetle-rodenticide beetle-molluscicide beetle-nematicide beetle-acaricide beetle-attractant beetle-repellent beetle-deterrent beetle-antifeedant beetle-insect-growth-regulator beetle-biological-control beetle-natural-enemy beetle-predator beetle-parasite beetle-parasitoid beetle-pathogen beetle-virus beetle-bacterium beetle-fungus beetle-protozoan beetle-nematode beetle-mite beetle-tick beetle-louse beetle-fly beetle-wasp beetle-bee beetle-ant beetle-termite beetle-earwig beetle-cockroach beetle-mantid beetle-stick-insect beetle-grasshopper beetle-cricket beetle-katydid beetle-cicada beetle-leafhopper beetle-planthopper beetle-treehopper beetle-spittlebug beetle-aphid beetle-scale beetle-mealybug beetle-whitefly beetle-thrips beetle-true-bug beetle-lace-bug beetle-seed-bug beetle-stink-bug beetle-shield-bug beetle-assassin-bug beetle-ambush-bug beetle-damsel-bug beetle-plant-bug beetle-leaf-footed-bug beetle-squash-bug beetle-water-strider beetle-water-measurer beetle-backswimmer beetle-water-boatman beetle-creeping-water-bug beetle-giant-water-bug beetle-toad-bug beetle-bed-bug beetle-kissing-bug beetle-louse-bug beetle-butterfly beetle-moth beetle-skipper beetle-sawfly beetle-ichneumon beetle-braconid beetle-chalcid beetle-cynipid beetle-fig-wasp beetle-gall-wasp beetle-spider-wasp beetle-digger-wasp beetle-cuckoo-wasp beetle-velvet-ant beetle-tiphiid beetle-scoliid beetle-vespid beetle-paper-wasp beetle-hornet beetle-yellowjacket beetle-mason-wasp beetle-potter-wasp beetle-pollen-wasp beetle-sphecid beetle-thread-waisted-wasp beetle-mud-dauber beetle-crabronid beetle-bethylid beetle-dryinid beetle-embolemid beetle-chrysidid beetle-mutillid beetle-myrmosid beetle-sapygid beetle-scolebythid beetle-sclerogibbid beetle-stenotritid beetle-ampulicid beetle-evaniid beetle-gasteruptiid beetle-aulacid beetle-peradeniid beetle-megalyrid beetle-orussid beetle-stephanid beetle-trigonalid beetle-formicid beetle-pompilid beetle-heterogynaid beetle-anthophorid beetle-apid beetle-bombid beetle-euglossid beetle-halictid beetle-megachilid beetle-melittid beetle-andrenid beetle-colletid beetle-oxaeid beetle-xyelid beetle-pamphiliid beetle-megaspilid beetle-serphid beetle-platygastrid beetle-scelionid
Exapion ulicis
Gorse Seed Weevil
Exapion ulicis is a small seed-feeding weevil specialized on gorse (Ulex europaeus). Adults are light gray with a prominent snout roughly half the body length. The species is native to western Europe and has been introduced to New Zealand, California, Hawaii, and other regions as a biological control agent targeting invasive gorse populations. Larval feeding destroys seeds within pods, reducing plant spread, while adult feeding on stems and spines causes minor damage.
biological-control invasive-species-management seed-predator host-specialization temporal-isolation Brentidae Coleoptera Ulex-europaeus gorse western-Europe California New-Zealand Hawaii spring-activity oviposition-cues pod-fecundity parasitoid seed-destruction noctuid pest-control-agent established-introduction native-range-Europe introduced-range-Pacific Chile Belgium Oregon northern-California forest-gaps pastures natural-areas seed-loss intensity-of-attack reproductive-isolation ecological-specialization sympatric-divergence host-phenology pod-size seed-content female-choice feeding-damage round-holes stem-feeding spine-feeding larval-development pupal-period 6-8-weeks-larval-feeding 2-months-pupation within-pod-development seed-to-ovule-ratio mature-seeds intact-seeds parasitization-rate population-abundance fecund-pod-targeting whole-plant-traits flower-traits pod-traits choice-experiments common-garden Brittany Scotland Reunion host-availability seasonal-activity morphological-identification mitochondrial-sequences nuclear-sequences phylogeny host-races divergent-selection ecological-speciation sympatric-populations spring-infestation autumn-infestation introduced-with-gorse not-initially-introduced invasive-plant plant-insect-interactions oviposition-behavior feeding-behavior preference-patterns multiple-trait-use surface-cues internal-cues pod-characteristics host-choice plant-susceptibility invasion-biology entomological-experimentalis pan-pacific-entomologist diversity-journal ecological-entomology Coombs-2004 HEAR-photo-gallery iNaturalist GBIF NCBI Forster-1771 Curculionoidea Apionidae Fabaceae Genisteae noxious-weed agent-of-biological-pest-control light-gray long-snout straight-snout 2-3-mm small-weevil seed-weevil gorse-seed-weevil established-populations percentage-of-pods-infested spatial-variation temporal-variation seed-set seed-production seed-predation-impact ecosystem-service weed-biological-control classical-biological-control inundative-biological-control self-sustaining-populations non-target-effects host-specificity reproductive-phenology phenological-matching phenological-isolation allochronic-speciation temporal-niche resource-partitioning competitive-exclusion character-displacement molecular-phylogenetics COI ITS morphological-characters individual-variation environmental-variation mitochondrial-DNA nuclear-DNA species-differentiation genetic-divergence ecological-divergence adaptive-radiation host-shift host-race-formation sympatric-speciation reinforcement prezygotic-isolation postzygotic-isolation habitat-fragmentation population-structure gene-flow local-adaptation phenotypic-plasticity genetic-drift natural-selection sexual-selection founder-effect bottleneck invasion-genetics enemy-release evolutionary-potential rapid-evolution contemporary-evolution eco-evolutionary-dynamics community-ecology trophic-interactions food-web ecosystem-function ecosystem-process nutrient-cycling energy-flow population-dynamics metapopulation source-sink dispersal colonization establishment spread impact-assessment non-target-risk efficacy establishment-success population-establishment field-release monitoring evaluation adaptive-management integrated-pest-management sustainable-agriculture conservation-biological-control augmentative-biological-control inoculative-biological-control natural-enemy herbivore phytophagous monophagous oligophagous polyphagous specialist generalist co-evolution coevolutionary-arms-race plant-defense herbivore-offense induced-defense constitutive-defense direct-defense indirect-defense volatile-organic-compounds extrafloral-nectaries trophic-cascades apparent-competition enemy-mediated-apparent-competition intraguild-predation multitrophic-interactions trait-mediated-indirect-effects density-mediated-indirect-effects ecosystem-engineering niche-construction extended-phenotype environmental-feedback eco-evolutionary-feedback evolutionary-rescue genetic-rescue assisted-migration managed-relocation conservation-translocation reintroduction restoration-ecology habitat-restoration ecological-restoration weed-management rangeland-management forest-management protected-area-management biodiversity-conservation ecosystem-services provisioning-services regulating-services cultural-services supporting-services sustainable-development-goals Aichi-targets Kunming-Montreal-global-biodiversity-framework IPBES IUCN CBD FAO EPPO regulatory-framework risk-analysis environmental-impact-assessment cost-benefit-analysis decision-support stakeholder-engagement social-license public-acceptance communication education outreach citizen-science iNaturalist-observations occurrence-records specimen-records museum-collections voucher-specimens type-specimens holotype paratype syntype lectotype neotype original-description subsequent-designation taxonomic-revision phylogenetic-revision monograph field-guide identification-key diagnostic-characters illustration photography microscopy scanning-electron-microscopy molecular-techniques DNA-barcoding metabarcoding environmental-DNA population-genetics phylogeography landscape-genetics seascape-genetics isolation-by-distance isolation-by-environment isolation-by-resistance least-cost-path circuit-theory species-distribution-modeling ecological-niche-modeling maxent bioclim worldclim chelsa modis remote-sensing GIS spatial-analysis temporal-analysis time-series phenology climate-change global-warming phenological-shift range-shift poleward-shift elevational-shift altitudinal-shift habitat-tracking niche-tracking niche-conservatism niche-evolution realized-niche fundamental-niche biotic-interactions abiotic-factors environmental-filtering dispersal-limitation source-pool species-pool regional-pool local-pool alpha-diversity beta-diversity gamma-diversity species-richness species-evenness species-abundance dominance rarity commonness endemism cosmopolitanism native endemic introduced invasive naturalized casual transient ephemeral persistent established spreading invasive-potential invasiveness impact ecological-impact economic-impact social-impact environmental-impact negative-impact positive-impact beneficial detrimental nuisance pest weed pathogen disease-vector public-health veterinary-health crop-health forest-health rangeland-health ecosystem-health One-Health planetary-health ecohealth conservation-medicine disease-ecology parasitology entomology medical-entomology veterinary-entomology agricultural-entomology forest-entomology urban-entomology aquatic-entomology systematics taxonomy phylogenetics evolutionary-biology population-biology ecosystem-ecology landscape-ecology global-ecology macroecology biogeography historical-biogeography ecological-biogeography island-biogeography continental-biogeography latitudinal-gradient altitudinal-gradient species-area-relationship island-species-richness equilibrium-theory nonequilibrium-theory neutral-theory niche-theory assembly-rules priority-effects mass-effects species-sorting competition predation herbivory parasitism mutualism commensalism amensalism facilitation inhibition tolerance succession primary-succession secondary-succession disturbance recovery resilience resistance stability persistence turnover replacement extinction immigration emigration birth death reproduction survival growth development metamorphosis complete-metamorphosis holometabolous hemimetabolous ametabolous egg larva pupa adult instar ecdysis molting diapause quiescence aestivation hibernation overwintering overwintering-stage overwintering-site overwintering-strategy cold-hardiness freeze-tolerance freeze-avoidance supercooling cryoprotectants thermal-biology thermoregulation ectothermy poikilothermy behavioral-thermoregulation microhabitat-selection basking shading stilting perching roosting sheltering burrowing mining gall-formation leaf-rolling leaf-tying silk-production web-spinning nest-construction oviposition-site-selection host-plant-selection mate-choice sperm-competition cryptic-female-choice polyandry polygyny monogamy promiscuity lekking territoriality aggression defense predator-avoidance antipredator-behavior crypsis masquerade mimicry Batesian-mimicry Müllerian-mimicry automimicry aggressive-mimicry startle-display thanatosis death-feigning autotomy reflex-bleeding chemical-defense mechanical-defense physical-defense behavioral-defense mutualistic-defense plant-animal-interactions pollination seed-dispersal antagonism synergism antagonistic-pleiotropy trade-offs life-history life-history-strategy r-selection K-selection bet-hedging iteroparity semelparity annual perennial biennial pluriannual longevity lifespan generation-time development-time growth-rate reproductive-rate fecundity fertility virility mating-success reproductive-success fitness inclusive-fitness kin-selection group-selection multilevel-selection individual-selection artificial-selection social-selection ecological-selection stabilizing-selection directional-selection disruptive-selection balancing-selection frequency-dependent-selection negative-frequency-dependent-selection positive-frequency-dependent-selection apostatic-selection antiapostatic-selection rare-type-advantage common-type-disadvantage heterozygote-advantage heterosis hybrid-vigor inbreeding-depression outbreeding-depression genetic-load mutational-load segregational-load substitutional-load drift-load migration-load mutation recombination chromosomal-rearrangement genome-evolution transposable-elements horizontal-gene-transfer endosymbiosis symbiogenesis holobiont hologenome extended-evolutionary-synthesis niche-construction-theory ecological-evolutionary-developmental-biology eco-evo-devo developmental-plasticity reaction-norm genotype-environment-interaction GxE norm-of-reaction plasticity canalization genetic-assimilation genetic-accommodation cryptic-genetic-variation evolutionary-capacitance evolvability robustness modularity integration correlation constraint trade-off pleiotropy epistasis additive-genetic-variance dominance-variance epistatic-variance genetic-variance phenotypic-variance environmental-variance heritability narrow-sense-heritability broad-sense-heritability response-to-selection breeder's-equation quantitative-genetics molecular-genetics genomics transcriptomics proteomics metabolomics phenomics ecogenomics conservation-genomics functional-genomics structural-genomics comparative-genomics evolutionary-genomics phylogenomics metagenomics microbiome virome mycobiome bacteriome archaeome eukaryome extended-genotype keystone-species ecosystem-engineer foundation-species dominant-species subordinate-species transient-species satellite-species core-species peripheral-species edge-species interior-species habitat-generalist habitat-specialist edge-habitat interior-habitat matrix-habitat corridor stepping-stone source-habitat sink-habitat patch fragment landscape seascape 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minimal-Nash-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set
Hemerobius humulinus
brown lacewing
Hemerobius humulinus is a species of brown lacewing in the family Hemerobiidae. It has a broad distribution spanning Europe and Northern Asia (excluding China), North America, and Southern Asia. The species overwinters as an adult and becomes active in early spring. Like other brown lacewings, it is a predator of aphids and other small insects.
Neuroptera Hemerobiidae brown-lacewing predator aphid-predator overwintering-adult spring-activity widespread-distribution
Hybotidae
typical dance flies, hybotid dance flies
Hybotidae is a family of small predatory flies within the superfamily Empidoidea, comprising over 1,600 described species worldwide. Formerly treated as a subfamily of Empididae, Hybotidae is now recognized as a distinct family based on morphological and phylogenetic evidence. Adults are generally predatory on small invertebrates, while larvae occupy diverse microhabitats including leaf litter, dung, fungi, roots, and aquatic or semiaquatic environments. The family exhibits notable morphological diversity, with some species displaying specialized leg modifications for prey capture and mating.
predatory dance-flies Empidoidea small-flies extraoral-digestion mating-swarms spring-activity agricultural-predators
Molorchus
Molorchus is a genus of small longhorn beetles (Cerambycidae) in the tribe Molorchini. Adults are known for their striking resemblance to ants, representing a clear case of Batesian mimicry. The genus contains multiple subgenera and species distributed across North America, Europe, and Asia. Adults are frequently encountered on flowers, particularly those of dogwood (Cornus spp.), where they feed on pollen and nectar.
Cerambycidae Cerambycinae Molorchini ant-mimicry Batesian-mimicry flower-visitation spring-activity Holarctic dogwood-association small-size pollen-feeding
Orussus minutus
Orussus minutus is a rarely collected parasitic woodwasp in the family Orussidae, native to the eastern United States. The species is notable for its significant western range expansion documented through citizen science platforms and museum collections. Previously known from only about 50 specimens mainly in the Northeast, new records from Arkansas, Iowa, Minnesota, and Manitoba extend its range hundreds of miles westward. The species is extremely uncommon in collections despite intensive trapping efforts.
parasitoid woodwasp rare range-expansion citizen-science deciduous-forest oak-hickory-forest spring-activity Ozark-Mountains Orussidae Symphyta Hymenoptera
Prodoxus y-inversus
Prodoxus y-inversus is a small yucca moth in the family Prodoxidae, restricted to the southwestern United States. Adults are active in spring and possess a wingspan of 11–16 mm. The species is intimately associated with Yucca baccata and Yucca schottii, on which its larvae feed.
yucca-moth desert-fauna spring-activity host-specific rarely-observed
Tilloclytus
Tilloclytus is a genus of longhorned beetles (Cerambycidae) established by Bates in 1885, currently comprising 14 recognized species distributed across North America, the Caribbean, and northern South America. The genus is notable for containing ant-mimicking species, most notably Tilloclytus geminatus, which exhibits Batesian mimicry of small ants through body shape, coloration, and behavior. Adults are typically small (<10 mm), with some species occasionally found on flowers though they appear less frequently associated with floral visitation than related ant-mimicking genera such as Molorchus and Euderces.
Cerambycidae Cerambycinae ant-mimicry Batesian-mimicry wood-boring-beetles North-America Caribbean hardwood-forest spring-activity Tillomorphini
Trichiotinus rufobrunneus
Florida flower scarab
Trichiotinus rufobrunneus is a species of flower scarab beetle endemic to Florida, commonly known as the Florida flower scarab. It belongs to the genus Trichiotinus, a North American endemic group of trichiine scarabs. The species is associated with the flowers of Opuntia australis (Florida pricklypear cactus), an endemic plant, and has been observed mating within these flowers. Its distribution is limited to Florida, making it a species of conservation concern due to habitat loss from urban development and agriculture.
endemic conservation-concern flower-scarab cactus-associate Florida-endemic Trichiini Cetoniinae Scarabaeidae Coleoptera North-America Nearctic pollinator Opuntia pricklypear sandhill-habitat oak-pine-woodland spring-activity mating-behavior urban-development-threat agriculture-threat phylogenetic-study-subject
Xysticus
ground crab spiders
Xysticus is a genus of ground-dwelling crab spiders (family Thomisidae) known for ambush hunting on the ground rather than in flowers. These spiders possess elongated first and second pairs of legs with spines that help secure prey. They are among the most frequently observed ballooning spiders, using silk threads to disperse via wind currents. The genus is also a documented prey source for spider wasps in the genus Dipogon.
Thomisidae crab-spiders ballooning ground-dwelling ambush-predator dispersal spring-activity Colorado Wisconsin
Xysticus funestus
mournful ground crab spider, sad ground crab spider, deadly ground crab spider
Xysticus funestus is a ground crab spider in the family Thomisidae, native to North America. It is one of many ambush-hunting crab spiders that rely on elongated front legs to capture prey. The species has been documented in field observations as an adult in early spring and has been recorded as prey for the spider wasp Dipogon calipterus. Despite its alarming common name "deadly ground crab spider," it poses no medical threat to humans.
Thomisidae ground-crab-spider ambush-predator North-America ballooning spider-wasp-prey non-medical-bite-risk spring-activity overwintering-adult gravid-female-March-observation Colorado Wisconsin Dipogon-calipterus-prey-record concrete-path-habitat mailbox-post-observation forest-edge leaf-litter-overwintering misleading-common-name Keyserling-1880
Xysticus speciese
Xysticus speciese is a species of crab spider in the family Thomisidae. The genus Xysticus is characterized by ambush hunting behavior and distinctive leg morphology adapted for seizing prey. Members of this genus are typically ground-dwelling and known to overwinter as adults or immatures.
crab-spider Thomisidae overwintering ambush-predator ballooning spring-activity ground-dwelling temperate