Flower-visitor
Guides
Acmaeodera amplicollis
Acmaeodera amplicollis is a metallic wood-boring beetle in the family Buprestidae. The species is distributed across Central America and North America. It is frequently observed visiting flowers of various composite plants (Asteraceae), particularly species of Isocoma, Heterotheca, Heliomeris, and Gutierrezia. Adults are active during late summer and early autumn.
Acmaeodera angelica
Acmaeodera angelica is a metallic woodboring beetle in the family Buprestidae. The species was described by Fall in 1899 and occurs in western North America. It belongs to a genus of flower-visiting buprestids, with adults frequently found on blossoms of various host plants. The species is one of approximately two dozen Buprestidae associated with Cercocarpus (mountain mahogany) in North America, and has been confirmed breeding within dead branches of this plant genus.
Acmaeodera bowditchi
Acmaeodera bowditchi is a species of metallic wood-boring beetle in the family Buprestidae. It is found in North America, with documented records from the southwestern United States including Utah, Arizona, and New Mexico. Adults have been observed visiting flowers of various plant species, particularly in pinyon-juniper woodland and related habitats. The species was described by Fall in 1901.
Acmaeodera cazieri
Acmaeodera cazieri is a species of metallic wood-boring beetle in the family Buprestidae, described by Knull in 1960. It occurs in the southwestern United States and northern Mexico, where it has been collected from flowers of various herbaceous plants and shrubs. The species is associated with desert and semi-arid habitats, particularly in Arizona and adjacent regions. Adults have been observed on yellow-flowered composites, prickly poppy (Argemone), and trailing four o'clock (Allionia incarnata).
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 decipiens
Acmaeodera decipiens is a species of metallic wood-boring beetle in the family Buprestidae. It occurs in Central America and North America, with records from the southwestern United States and Mexico. The species is known to visit flowers of various composite and other flowering plants.
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 gibbula
Acmaeodera gibbula is a metallic wood-boring beetle in the family Buprestidae, first described by LeConte in 1858. The species exhibits the characteristic jewel beetle morphology with metallic coloration. It has been documented in the southwestern United States and Mexico, with field observations from Arizona and surrounding regions. Adults have been collected from flowers of various host plants including Acacia species and yellow-flowered composites.
Acmaeodera ligulata
Acmaeodera ligulata is a species of metallic wood-boring beetle in the family Buprestidae. It was described by Cazier in 1940. The species is found in North America, with observations and collections documented from the southwestern United States including New Mexico, Arizona, and Utah. Adults are known to visit flowers of various plant species, particularly in pinyon-juniper woodland habitats.
Acmaeodera miliaris
Acmaeodera miliaris is a metallic wood-boring beetle in the family Buprestidae, first described by Horn in 1878. The species occurs in Central America and North America. It belongs to a large genus of jewel beetles commonly associated with flowers and woody vegetation in arid and semi-arid regions. Like other members of Acmaeodera, adults are typically active during spring and early summer.
Acmaeodera navajo
A small buprestid beetle species described in 1995 from the southwestern United States. Adults are flower visitors, specifically documented on Sphaeralcea grossulariifolia (gooseberryleaf globemallow) and Helianthus anomalus (anomalous sunflower) in pinyon-juniper woodland habitats. The species occurs in northern Arizona and southern Utah, where it has been collected alongside congeners A. pubiventris lanata and A. immaculata.
Acmaeodera neglecta
Acmaeodera neglecta is a small metallic wood-boring beetle in the family Buprestidae, measuring 4–6 mm in length. It occurs primarily in the south-central United States, with records from Oklahoma, Texas, Arkansas, and Missouri. Adults are flower visitors, particularly on yellow composites such as Coreopsis and Thelesperma. The species was described by Fall in 1899 and remained unreported from Missouri until 1987 due to its close resemblance to the more common A. tubulus.
Acmaeodera neoneglecta
Acmaeodera neoneglecta is a small metallic wood-boring beetle in the family Buprestidae, first described by Fisher in 1949. It belongs to the 'tubulus-species group' within the genus, characterized by small size (<8 mm), black coloration with yellow maculations on the elytra, and membership in the 'Truncatae' group (prosternal margin nearly straight). The species occurs in the southwestern United States and northern Mexico, where adults have been collected from flowers of various plants including cacti and herbaceous species.
Acmaeodera opacula
Acmaeodera opacula is a metallic wood-boring beetle in the family Buprestidae. It occurs in western North America, with records from New Mexico and Arizona. Adults are flower-visitors, having been observed on flowers of Grindelia nuda, Picradeniopsis absinthifolia, Fallugia paradoxa, and Gutierrezia sarothrae. The species was formerly known as A. disjuncta. It is active in late summer and fall, with observations from September.
Acmaeodera opuntiae
Acmaeodera opuntiae is a small metallic wood-boring beetle in the family Buprestidae, described by Knull in 1966. The species is found in the southwestern United States and northern Mexico. Adults are among the smallest members of the genus Acmaeodera and have been collected from flowers of Tiquilia canescens (shrubby tiquilia) in western Texas.
Acmaeodera ornatoides
Acmaeodera ornatoides is a metallic wood-boring beetle in the family Buprestidae, described by Barr in 1972. The species occurs in North America, with documented records from Texas and Oklahoma. Adults have been observed visiting flowers of Coreopsis species and Opuntia engelmannii (Engelmann's pricklypear), suggesting a floral association common among congeners. The species is part of a diverse genus of flower-visiting buprestids.
Acmaeodera perlanosa
Acmaeodera perlanosa is a species of metallic wood-boring beetle in the family Buprestidae, described by Timberlake in 1939. The species belongs to a large genus of flower-visiting buprestids found primarily in western North America. Based on field observations, adults have been collected from flowers of Eriodictyon angustifolium in pinyon/juniper woodland habitats of southwestern Utah.
Acmaeodera princeps
Acmaeodera princeps is a metallic wood-boring beetle in the family Buprestidae. The species occurs in North America, with confirmed observations in Texas and New Mexico. Adults have been collected on flowers of Thelosperma filifolium (stiff greenthread) and are active in late spring to early summer. Like other Acmaeodera species, adults likely feed on pollen and are diurnal flower visitors.
Acmaeodera pubiventris lanata
Acmaeodera pubiventris lanata is a subspecies of jewel beetle in the family Buprestidae, native to the southwestern United States. Adults are flower visitors, particularly associated with Sphaeralcea (globemallow) and Helianthus (sunflower) species. The subspecies occurs in pinyon-juniper woodland and associated habitats across Arizona, Utah, and adjacent regions. It is one of several Acmaeodera taxa frequently encountered by collectors in the Colorado Plateau region during summer months.
Acmaeodera pulchella
Flat-headed Bald Cypress Sapwood Borer, Flat-headed Baldcypress Sapwood Beetle
Acmaeodera pulchella is a metallic wood-boring beetle in the family Buprestidae, commonly known as the flat-headed bald cypress sapwood borer. The species is widely distributed across North America, with records from the United States and Canada including Manitoba and Ontario. It is associated with bald cypress (Taxodium distichum) based on its common name, though specific ecological relationships require further documentation. Adults are active during summer months and have been observed on flowers of herbaceous vegetation in prairie and open woodland habitats.
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.
Acmaeodera resplendens
Resplendent Buprestid
Acmaeodera resplendens is a species of metallic wood-boring beetle in the family Buprestidae, described by Van Dyke in 1937. The species is distinguished by its brilliant metallic green to copper coloration. It has been collected from flowers of several composite species in montane habitats of southern Arizona, particularly from Heliomeris longifolia and Bahia dissecta. The specific epithet 'resplendens' refers to its striking, resplendent appearance.
Acmaeodera rubronotata
Acmaeodera rubronotata is a metallic wood-boring beetle in the family Buprestidae, distributed across Central America and North America. The species is one of numerous Acmaeodera species frequently encountered on flowers of yellow composites and other Asteraceae in arid and semi-arid regions. Field observations document adults visiting flowers of Heterotheca subaxillaris, Xanthisma gracile, Gutierrezia microcephala, and Heliomeris longifolia. The specific epithet 'rubronotata' refers to red markings on the pronotum.
Acmaeodera scalaris
ladder buprestid
Acmaeodera scalaris, commonly known as the ladder buprestid, is a metallic wood-boring beetle in the family Buprestidae. It occurs across Central America and North America. The species has been documented visiting flowers of various composite and other plant species, particularly in arid and semi-arid regions of the southwestern United States and northern Mexico.
Acmaeodera solitaria
Acmaeodera solitaria is a species of metallic wood-boring beetle in the family Buprestidae. It occurs in the southwestern United States and Mexico, where it has been collected from flowers of yellow-flowered composites and prickly poppy. Adults are active during summer months, particularly July and August. The species was described by Kerremans in 1897.
Acmaeodera texana
Texas jewel beetle
Acmaeodera texana is a metallic wood-boring beetle in the family Buprestidae, first described by LeConte in 1860. It occurs in North America, with records from the southwestern United States and Mexico. The species is considered uncommon in many parts of its range, including Missouri where it has been recorded only sporadically. Adults have been observed visiting flowers of Liatris hirsuta and other herbaceous plants in xeric prairie habitats.
Adejeania
orange bristle fly
Adejeania is a genus of tachinid flies native to the Americas, with most species occurring in South America. The genus name derives from an alteration of 'Dejeania,' meaning 'not Dejeania.' The most widely distributed species, A. vexatrix, ranges from Mexico through western North America to British Columbia and Alberta. These flies are parasitoids of caterpillars and are important flower visitors in late summer and fall.
Adejeania vexatrix
Orange Bristle Fly
Adejeania vexatrix is a large, conspicuous tachinid fly of western North America, immediately recognizable by its bright orange abdomen, heavy black setae, and uniquely elongated palpi that project forward like a beak. Adults are active flower visitors from mid-summer through early autumn, with populations persisting later in southern portions of the range. This species is a known parasitoid of caterpillars, though specific host records remain undocumented.
Agathidinae
agathidine wasps
Agathidinae is a large subfamily of braconid wasps comprising koinobiont endoparasitoids of lepidopteran larvae. Members are distinguished by elongated facial structures in several genera, bright coloration in diurnal tropical species, and specialized mouthpart adaptations for nectar feeding. The subfamily is taxonomically complex, with phylogenetic studies revising tribal arrangements from 2 to 7 tribes. Species have been successfully employed in biological control programs against agricultural and forestry pests.
Agathis malvacearum
Agathis malvacearum is a species of parasitoid wasp in the family Braconidae, subfamily Agathidinae. It is a small wasp, measuring approximately 6–10 mm, with distinctive red and black coloration and an elongated, narrow face characteristic of the genus Agathis. The species is known to visit flowers for nectar and to parasitize caterpillars as part of its life cycle. It has been recorded from Europe, Northern Asia, and North America.
Ageniella
mud-nesting spider wasps
Ageniella is a genus of small, slender spider wasps in the family Pompilidae, tribe Ageniellini. Members construct mud nests—typically trumpet- or thimble-shaped cells—each stocked with a single paralyzed spider and provisioned with one egg. The genus includes at least one documented cave-nesting species (Ageniella evansi) and species exhibiting ant-mimicry. Sexual dimorphism is pronounced: females are often reddish or orange-brown with banded wings, while males are black with reddish leg markings and a white abdominal tip.
Agrilus esperanzae
Esperanza Ranch Agrilus
Agrilus esperanzae is a species of metallic wood-boring beetle in the family Buprestidae. It was described by Knull in 1935. The species has been documented in Central America and North America, with specific collecting records from Texas. Adults are attracted to flowers of Tiquilia canescens (shrubby tiquilia).
Alypiodes bimaculata
Two-spotted Forester
Alypiodes bimaculata, commonly known as the two-spotted forester, is a diurnal moth in the family Noctuidae. Despite its common name, it bears more than two spots; the name refers specifically to the single small spot on each hindwing. The species was first described by Herrich-Schäffer in 1853 and occurs in the southwestern United States and Mexico.
Anasimyia chrysostoma
Lump-legged Swamp Fly
Anasimyia chrysostoma, commonly known as the lump-legged swamp fly, is a syrphid fly species distributed across the United States and Canada. Adults are flower visitors that feed on nectar and pollen. The larvae are aquatic and possess the characteristic rat-tailed morphology typical of the genus Anasimyia. The species is considered fairly common and has been documented in 355 observations on iNaturalist.
Anaspis
false flower beetles
Anaspis is a large genus of small beetles in the family Scraptiidae, commonly known as false flower beetles. Adults are frequently found on flowers, particularly blossoms of trees, shrubs, and umbellifers, and exhibit a characteristic tumbling behavior when disturbed. Larvae are saproxylic, developing in decaying wood of various deciduous and coniferous trees. The genus is widespread across the Palaearctic region, with species distributed from Western Europe through Siberia to East Asia.
Aneflomorpha cazieri
Aneflomorpha cazieri is a species of longhorn beetle (Cerambycidae) described by Chemsak in 1962. It belongs to the tribe Elaphidiini, a group of cerambycids commonly associated with woody plants. Field observations indicate adults are active in summer and have been collected from flowers of Talinum aurantiacum (orange flameflower) and Allionia incarnata (creeping four-o'clock) in Arizona.
Anthalia bulbosa
Anthalia bulbosa is a species of hybotid dance fly described by Melander in 1902. It belongs to the family Hybotidae, a group of predatory flies commonly known as dance flies. The species has been documented in North America and shows a notable association with flowers of Prunus serotina (black cherry).
Anthaxia caseyi
Anthaxia caseyi is a metallic wood-boring beetle in the family Buprestidae, native to North America. The species was described by Obenberger in 1914 and includes four recognized subspecies. Field observations indicate adults are flower visitors, particularly associated with Purshia standsburyana (Stansbury's cliffrose) and other flowering plants in western North American habitats.
Anthaxia caseyi pseudotsugae
Anthaxia caseyi pseudotsugae is a subspecies of jewel beetle (family Buprestidae) described by Chamberlin in 1928. It is distinguished from the nominate subspecies A. c. caseyi by its dark coloration rather than bright green. The subspecies has been collected in montane coniferous forests of the southwestern United States, particularly in New Mexico and Arizona, where adults are found on flowers of Rosa woodsii and other blooming plants in alpine habitats.
Anthaxia inornata
Dandelion Anthaxia Beetle
Anthaxia inornata is a small metallic wood-boring beetle in the family Buprestidae, measuring 4–8 mm in length. It was described by Randall in 1838 and is found in North America. The species belongs to the genus Anthaxia, a diverse group of jewel beetles commonly associated with flowers and woody plants.
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.
Anthonomus decipiens
Anthonomus decipiens is a species of true weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is native to North America. Like other members of the genus Anthonomus, it possesses the characteristic elongated snout (rostrum) typical of weevils. The species is known from a limited number of observations, with records primarily from the southwestern United States.
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.
Anthrax irroratus
Spotted Bee Fly
Anthrax irroratus is a bee fly (family Bombyliidae) widespread across North America, ranging from Alaska and northern Canada to Central America and the Caribbean. Adults are pollinators that frequent flowers, while larvae are parasitoids of solitary bees and wasps in at least five families. The species is one of numerous bee flies that exploit ground-nesting Hymenoptera as hosts.
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fuscus
Mill Carpet Beetle
Anthrenus fuscus is a small carpet beetle in the family Dermestidae, commonly known as the Mill Carpet Beetle. It occurs in North America and Europe, with populations in southern Britain showing peak abundance near agricultural areas. Adults are found on flowers during summer months, while larvae feed on dead insects in natural habitats such as spiders' webs and under tree bark. The species exhibits sharply defined habitat separation from the closely related A. verbasci.
Anthrenus pimpinellae
Anthrenus pimpinellae is a small carpet beetle in the family Dermestidae, native to the Palaearctic region but introduced to North America. Adults measure 3–4 mm and have black elytra with white and brown scales. The species exhibits selective flower-feeding behavior, with mating occurring exclusively on preferred floral hosts. Larvae feed on dried animal products including keratin-containing materials.
Apiomerus cazieri
Desert Bee Assassin
Apiomerus cazieri is a species of assassin bug (family Reduviidae) endemic to the Chihuahuan and Sonoran Deserts of the southwestern United States and northern Mexico. The species was described in 2011 and is commonly known as the Desert Bee Assassin. It is an active predator with documented prey including the checkered beetle Trichodes ornatus and honey bees (Apis mellifera). The species belongs to the genus Apiomerus, whose members are frequently observed hunting on flowers where they ambush pollinators.
Aporus
spider wasps
Aporus is a genus of small spider wasps in the family Pompilidae, containing approximately twelve described species. These wasps are specialized predators that hunt ground-dwelling spiders, particularly those occupying burrows. The genus is distributed across North America, Europe, and Asia. Adults are frequently observed visiting flowers for nectar.
Aporus hirsutus
hirsute spider wasp
Aporus hirsutus is a species of spider wasp in the family Pompilidae, described by Banks in 1917. It belongs to a genus characterized by a streamlined thorax that slopes gradually toward the head, short legs relative to body size, and short, thick antennae. Members of the genus Aporus are known to parasitize trapdoor spiders and other mygalomorph spiders, with females utilizing the host's own burrow as a nest after paralyzing the spider with a sting.
Aporus luxus
Aporus luxus is a small spider wasp in the family Pompilidae, recognized by its iridescent blue-black coloration and streamlined body form. Adults measure 8-15 mm in length and are frequently observed on flowers, particularly umbellifers such as Queen Anne's Lace (Daucus carota), where they feed on nectar. The species is a specialist parasitoid of trapdoor spiders in the family Euctenizidae, with at least one confirmed record of rearing from Aptostichus sp. Females sting spiders into paralysis and deposit a single egg on the host within the spider's own burrow.