Hickory
Guides
Acrobasis demotella
Walnut Shoot Moth
Acrobasis demotella, the walnut shoot moth, is a small pyralid moth described by Grote in 1881. Its larvae feed on Juglans (walnut) and Carya (hickory/pecan) species, making it a pest of nut-producing trees. The species occurs across eastern and central North America. It is one of several Acrobasis species associated with hardwood trees in the walnut family.
Acrobasis indigenella
Leaf Crumpler
Acrobasis indigenella, the leaf crumpler, is a small snout moth (Pyralidae: Phycitinae) described by Zeller in 1848. It is known from eastern North America, with records extending into central Canada and the north-central United States. The species has a bivoltine life cycle in Illinois and the southeastern United States, with larvae that feed on leaves of Juglandaceae, particularly black walnut, hickories, and pecan. First-generation larvae are notable for skeletonizing leaves and webbing them together into shelters for feeding.
Agrilus otiosus
hickory agrilus
Agrilus otiosus, commonly known as the hickory agrilus, is a metallic wood-boring beetle in the family Buprestidae. The species was described by Thomas Say in 1833. It belongs to the large genus Agrilus, which contains numerous species associated with woody host plants. The specific epithet "otiosus" and common name suggest an association with hickory (Carya) species as larval hosts, consistent with patterns observed in related Agrilus species.
Apoda biguttata
Shagreened Slug Moth
Apoda biguttata, commonly known as the shagreened slug moth, is a species of slug moth in the family Limacodidae. It is found in eastern North America. The adult has a wingspan of 19–30 mm and is active from April to August. The larvae feed on various deciduous trees including hornbeam, hickory, and oak.
Caloptilia blandella
Walnut Caloptilia Moth
Caloptilia blandella is a small moth in the family Gracillariidae, commonly known as the Walnut Caloptilia Moth. It has a wingspan of approximately 9 mm. The species is distributed across eastern North America, with records from Canada (Québec) and several U.S. states including Pennsylvania, Virginia, Maine, Maryland, Texas, and Kentucky. Larvae are leaf miners that feed on shagbark hickory (Carya ovata) and black walnut (Juglans nigra).
Cameraria caryaefoliella
Pecan Leafminer Moth
Cameraria caryaefoliella is a microlepidopteran leafminer moth in the family Gracillariidae. The species is known from eastern North America, with records from Ontario and Quebec in Canada and multiple states across the eastern and central United States. Larvae feed internally within leaf tissue, creating characteristic mines. Adults are active across multiple generations annually.
Caryomyia
Hickory Gall Midges
Caryomyia is a genus of gall midges in the family Cecidomyiidae, commonly known as the hickory gall midges. The genus contains at least 30 described species, most of which induce galls on hickory trees (Carya species). These small flies are specialized herbivores whose larvae develop within plant tissue, causing distinctive gall formations.
Caryomyia aggregata
Hickory Aggregate Gall Midge
Caryomyia aggregata is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. The species induces distinctive aggregate galls on hickory trees (Carya species). As a member of the genus Caryomyia, it belongs to a group of insects specialized in manipulating plant tissue to form protective structures for their developing larvae. The common name "Hickory Aggregate Gall Midge" reflects both its host association and gall morphology.
Caryomyia albipilosa
Hickory White-haired Gall Midge
Caryomyia albipilosa is a gall midge species described by Gagné in 2008. It belongs to the genus Caryomyia, a group of cecidomyiids associated with hickory trees (Carya spp.). The species is known from limited observations, with 75 records on iNaturalist as of the source data. Like other members of its genus, it likely induces gall formation on hickory foliage or stems, though specific gall morphology has not been widely documented.
Caryomyia arcuata
Hickory Sombrero Gall Midge
Caryomyia arcuata is a gall midge species in the family Cecidomyiidae, described by Gagné in 2008. It is known by the common name "Hickory Sombrero Gall Midge," referencing the distinctive gall structure it induces on hickory trees. As a member of the genus Caryomyia, this species is part of a group specialized in forming galls on Carya (hickory) species. The species has been documented through iNaturalist observations, indicating ongoing citizen science documentation of its occurrence.
Caryomyia asteris
Hickory Starburst Gall Midge
Caryomyia asteris is a gall midge species in the family Cecidomyiidae, described by Raymond Gagné in 2008. It is known by the common name "Hickory Starburst Gall Midge" and induces distinctive gall formations on hickory trees (Carya spp.). The species is part of a genus specialized in creating galls on hickory and pecan hosts.
Caryomyia biretta
Hickory Beret Gall Midge
Caryomyia biretta is a gall midge species in the family Cecidomyiidae, described by Gagné in 2008. It is commonly known as the Hickory Beret Gall Midge due to its association with hickory trees and the distinctive gall formations it induces. The species is part of a genus specialized in creating galls on Carya (hickory and pecan) species.
Caryomyia caryae
Hickory Sticky Globe Gall Midge
Caryomyia caryae is a gall midge in the family Cecidomyiidae that induces distinctive globular galls on hickory leaves. The species is one of several gall-forming insects associated with Carya species in eastern North America. Like other cecidomyiids, it manipulates host plant tissue development through chemical secretions to create protective structures for its larvae.
Caryomyia caryaecola
Hickory Onion Gall Midge
Caryomyia caryaecola, commonly known as the hickory onion gall midge, is a gall-inducing fly in the family Cecidomyiidae. The species is specialized on hickory trees (Carya species), forming distinctive galls on host foliage. As a member of the genus Caryomyia, it belongs to a radiation of gall midges associated with hickory and pecan.
Caryomyia cilidolium
Hickory Fuzzy Ginger Jar Gall Midge
Caryomyia cilidolium is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. It induces distinctive galls on hickory trees (Carya species), specifically forming 'fuzzy ginger jar' shaped structures on leaves. The species is part of a genus specialized in creating galls on hickory foliage. It has been documented across eastern North America where its host trees occur.
Caryomyia cucurbitata
Hickory Pumpkin Gall Midge
Caryomyia cucurbitata is a gall midge in the family Cecidomyiidae, described by Gagné in 2008. The species is known to induce distinctive galls on hickory trees. As a member of the genus Caryomyia, it belongs to a group specialized on Carya species. The common name 'Hickory Pumpkin Gall Midge' refers to the characteristic gall morphology.
Caryomyia eumaris
Caryomyia eumaris is a gall midge species in the family Cecidomyiidae, described by Gagné in 2008. It belongs to a genus specialized in inducing galls on hickory and pecan trees (Carya species). Like other members of Caryomyia, this species is associated with nut-bearing Carya hosts. The species is documented in the southeastern United States based on iNaturalist observations.
Caryomyia flaticrustum
Hickory Puff Tart Gall Midge
Caryomyia flaticrustum is a gall midge species in the family Cecidomyiidae, described by Gagné in 2008. The species is known for inducing distinctive galls on hickory trees (Carya species). It is one of several Caryomyia species specialized on hickory hosts. The common name "Hickory Puff Tart Gall Midge" refers to the characteristic gall morphology produced on host leaves.
Caryomyia glauciglobus
Hickory Blue-powder Gall Midge
Caryomyia glauciglobus is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. It is known for inducing distinctive blue-powder galls on hickory trees (Carya species). The species is part of the genus Caryomyia, which comprises gall midges specialized on Carya hosts.
Caryomyia hirtiglobus
Hickory Woody Globe Gall Midge
Caryomyia hirtiglobus is a gall midge in the family Cecidomyiidae, described by Gagné in 2008. The species induces woody, spherical galls on hickory trees (Carya spp.). It is one of several Caryomyia species associated with hickory, with its specific epithet 'hirtiglobus' referring to the hairy, globe-shaped galls it produces. The species has been documented in eastern North America where its host hickories occur.
Caryomyia inflata
Caryomyia inflata is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. As a member of the genus Caryomyia, it is associated with hickory trees (Carya spp.), inducing characteristic galls on host plant tissue. The species is distinguished by its specific gall morphology and host association.
Caryomyia lenta
Hickory Popover Gall Midge
Caryomyia lenta is a gall midge species described by Gagné in 2008, known by the common name Hickory Popover Gall Midge. It belongs to the family Cecidomyiidae, a group of small flies whose larvae induce abnormal plant growths called galls. The species has been documented through iNaturalist observations, suggesting it is recognized by field observers, though detailed biological studies remain limited. As a member of the genus Caryomyia, it is associated with hickory trees (Carya species).
Caryomyia marginata
Caryomyia marginata is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. The genus Caryomyia comprises gall midges that induce galls on hickory and pecan trees (Carya spp.). As a member of this genus, C. marginata is presumed to be associated with Carya host plants, though specific details of its biology remain limited in published literature.
Caryomyia persicoides
Hickory Peach-haired Gall Midge
Caryomyia persicoides, commonly known as the hickory peach-haired gall midge, is a species of gall midge in the family Cecidomyiidae. The species induces galls on hickory trees (Carya species). It was first described by Osten Sacken in 1862. The common name refers to the distinctive peach-colored hairs found on the gall structure.
Caryomyia purpurea
Hickory Purple Gumdrop Gall Midge
Caryomyia purpurea is a species of gall midge in the family Cecidomyiidae, described by Raymond Gagné in 2008. The species is known by the common name "Hickory Purple Gumdrop Gall Midge," indicating its association with hickory plants and the distinctive gall structures it induces. As a member of the genus Caryomyia, this species belongs to a group of gall midges specialized on Carya (hickory) species.
Caryomyia sanguinolenta
Hickory Smooth Gumdrop Gall Midge
Caryomyia sanguinolenta is a gall midge species in the family Cecidomyiidae, commonly known as the hickory smooth gumdrop gall midge. The species induces distinctive galls on hickory trees. It was first described by Osten Sacken in 1862.
Caryomyia shmoo
Caryomyia shmoo is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. Like other members of the genus Caryomyia, it is associated with hickory trees (Carya species), inducing distinctive galls on leaves. The species name references the Shmoo cartoon character, alluding to the gall's shape. It is one of approximately 20 described species in this genus, all of which are North American specialists on Carya.
Caryomyia spiniglobus
Hickory Spiny Ball Gall Midge
Caryomyia spiniglobus is a gall midge in the family Cecidomyiidae, described by Gagné in 2008. The common name "Hickory Spiny Ball Gall Midge" indicates its association with hickory trees and the distinctive gall structure it induces. As a member of the genus Caryomyia, this species belongs to a group specialized in forming galls on Carya (hickory and pecan) species. The species is relatively recently described with limited published ecological data.
Caryomyia spinulosa
Caryomyia spinulosa is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. The genus Caryomyia comprises insects that induce galls on hickory and pecan trees (Carya species). As with other members of this genus, C. spinulosa likely forms characteristic galls on its host plants, though specific details of its biology remain poorly documented in published literature.
Caryomyia stellata
Hickory Starry-base Gall Midge
Caryomyia stellata is a gall midge in the family Cecidomyiidae, described by Gagné in 2008. It induces distinctive galls on hickory trees (Carya spp.), specifically forming star-shaped structures at the base of leaf petioles or twigs. The species is part of a genus of gall midges specialized on hickory hosts. Like other cecidomyiids, it has a complete metamorphosis life cycle with larvae developing inside plant tissue.
Caryomyia subulata
Hickory Awl-shaped Gall Midge
A species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. Known by the common name "Hickory Awl-shaped Gall Midge," this species induces distinctive galls on hickory trees. As a member of the genus Caryomyia, it belongs to a group specialized on Carya (hickory) hosts. The specific epithet "subulata" refers to the awl-shaped form of the gall it produces.
Caryomyia supina
Hickory Supine Squash Gall Midge
A gall midge in the family Cecidomyiidae that induces distinctive galls on hickory leaves. The species is associated with Carya species, particularly shagbark hickory (Carya ovata). Adults are small, delicate flies typical of the family. The specific epithet 'supina' refers to the supine (upward-facing) orientation of the gall structure.
Caryomyia tuberidolium
Caryomyia tuberidolium is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. It is known to induce galls on hickory trees (Carya species), forming distinct structures on the leaves. The species is part of a genus specialized on Carya hosts. It has been documented across the eastern United States where its host trees occur.
Caryomyia tubicola
Hickory Bullet Gall Midge
Caryomyia tubicola is a gall midge that induces distinctive bullet-shaped galls on hickory leaves. As a member of the family Cecidomyiidae, it has a complex life cycle involving both sexual and parthenogenetic generations. The species is primarily known from eastern North America, where it has been documented on Carya species.
Caryomyia urnula
Caryomyia urnula is a species of gall midge in the family Cecidomyiidae, described by Gagné in 2008. The genus Caryomyia comprises species that induce galls on hickory and pecan trees (Carya spp.). As a relatively recently described species, detailed biological information remains limited in published literature.
Caryomyia viscidolium
Hickory Sticky Ginger Jar Gall Midge
Caryomyia viscidolium is a gall midge species described by Gagné in 2008, known for inducing distinctive galls on hickory trees (Carya spp.). The common name "Hickory Sticky Ginger Jar Gall Midge" refers to the characteristic gall morphology—small, urn or ginger jar-shaped structures with a sticky surface. As a member of the Cecidomyiidae family, this species exemplifies the highly specialized plant-insect relationships typical of gall midges. The species has been documented through 341 iNaturalist observations, indicating moderate but growing awareness among naturalists.
Catocala dejecta
Dejected Underwing
Catocala dejecta, the Dejected Underwing, is a moth in the family Erebidae. It is found in eastern and central North America, from Massachusetts and Connecticut south to Florida, west to Texas and Oklahoma, and north to southern Ontario. Adults have a wingspan of 56–73 mm and are active from June to October, with timing varying by location. The larvae feed on hickories (Carya glabra, Carya ovata) and oaks (Quercus species).
Catocala sappho
Sappho Underwing
Catocala sappho is a moth in the family Erebidae, first described by Strecker in 1874. It is a medium-sized underwing moth with a wingspan of 62–75 mm. Adults are active from May to July and again from September to October in highland areas. The species is found in the southeastern and central United States, ranging from Virginia and Tennessee south to Florida and west to Louisiana, Mississippi, Texas, Missouri, and Illinois. Larvae feed on Carya species (hickories and pecans).
Catocala serena
Serene Underwing
Catocala serena, the serene underwing, is a moth in the family Erebidae. It is found in eastern North America from southern Ontario and New England south to Tennessee, and west to Illinois and eastern Wisconsin. Adults are active from July to September with one generation per year. The larvae feed on shagbark hickory (Carya ovata) and black walnut (Juglans nigra).
Catocala subnata
Youthful Underwing
Catocala subnata, commonly known as the youthful underwing, is a large underwing moth in the family Erebidae. First described by Augustus Radcliffe Grote in 1864, this species is characterized by its cryptic forewings that conceal brightly colored hindwings, a defensive trait shared with other members of the genus Catocala. The species has a broad distribution across eastern and central North America, with adults active during mid to late summer. Larvae feed on specific host trees in the walnut family.
Citheronia regalis
Regal Moth, Royal Walnut Moth
Citheronia regalis is a large North American saturniid moth known as the regal moth or royal walnut moth. Its larval stage, the hickory horned devil, is one of the largest caterpillars in North America north of Mexico and is notable for its striking appearance with prominent red and black horns. Adults have vestigial mouthparts and do not feed, living only about a week to mate and lay eggs. The species has a single generation per year throughout most of its range.
Conotrachelus affinis
Hickory Nut Curculio
Conotrachelus affinis, commonly known as the hickory nut curculio, is a species of true weevil in the family Curculionidae. The species is native to North America and is associated with hickory trees as suggested by its common name. Like other members of the genus Conotrachelus, it likely exhibits the characteristic elongated snout (rostrum) typical of weevils, with mouthparts at the tip.
Conotrachelus aratus
hickory shoot curculio, ploughed pure weevil
Conotrachelus aratus, commonly known as the hickory shoot curculio, is a species of weevil in the family Curculionidae. It is native to eastern North America, occurring in the United States east of Texas and Kansas, as well as in Quebec, Canada. The species is specifically associated with Carya (hickory) species, distinguishing it from other Conotrachelus species that attack fruit crops. Unlike the economically significant plum curculio (C. nenuphar), C. aratus has received limited research attention and is not considered a major agricultural pest.
Conotrachelus elegans
pecan gall curculio
Conotrachelus elegans, commonly known as the pecan gall curculio, is a true weevil (family Curculionidae) found in North America. The species is specifically associated with galls formed by the hickory leaf stem gall phylloxera (Phylloxera caryaecaulis) on hickory and pecan trees. Unlike many weevils that directly damage plant tissues, this species has been observed feeding on existing insect-induced galls rather than causing gall formation itself.
Conotrachelus hicoriae
Pecan Curculio
Conotrachelus hicoriae, commonly known as the Pecan Curculio, is a species of true weevil in the family Curculionidae. It is native to North America. Like other members of the genus Conotrachelus, it is associated with nut-bearing trees, particularly pecans (Carya illinoinensis), as indicated by its specific epithet. The species was described by Schoof in 1943. Information regarding its biology and economic impact is limited compared to the well-studied congener Conotrachelus nenuphar (plum curculio).
Curculio
acorn weevils, nut weevils
Curculio is a genus of weevils in the family Curculionidae, commonly known as acorn weevils or nut weevils. Females use their elongated rostrum to bore holes in developing nuts of oak, hickory, and other trees to deposit eggs. Larvae develop inside the seeds, feeding on the nutritious kernel, then emerge in autumn to pupate in soil. The genus has been extensively studied due to its economic impact on nut production and its remarkable morphological adaptations for seed predation.
Curculio caryae
pecan weevil
Curculio caryae, the pecan weevil, is a specialized nut-feeding weevil native to North America and a major economic pest of pecan (Carya illinoinensis) and hickory (Carya species) production. Adults emerge from soil in August and September, feed on developing nuts, and females use their elongated proboscis to drill through shells and deposit eggs into kernels. Larvae develop inside nuts for approximately 42 days before emerging through clean, round exit holes and burrowing into soil to pupate. The life cycle typically spans two years, though approximately 10% of individuals require three years. The species has been observed to occasionally infest Persian walnut (Juglans regia).
Dicerca lurida
Hickory Jewel Beetle
Dicerca lurida is a jewel beetle in the family Buprestidae, commonly known as the Hickory Jewel Beetle. Adults measure 12–20 mm and display cryptic coloration that renders them nearly invisible against tree bark despite their metallic luster when viewed as pinned specimens. The species is strongly associated with hickory trees (Carya spp.) and is one of the most common jewel beetles in eastern North America. Unlike most jewel beetles with restricted seasonal activity, D. lurida occurs year-round as adults, including winter hibernation under loose bark.
Ectoedemia trinotata
A minute Nepticulidae moth of eastern North America with a wingspan of 4.5–5 mm. Larvae are leaf miners on hickory species (Carya cordiformis and C. ovata). Two generations occur annually, with larval mines appearing in early July and early September.
Eriocampa
woolly sawflies
Eriocampa is a small Holarctic genus of sawflies in the family Tenthredinidae comprising approximately five to ten described extant species. The genus is characterized by larvae that produce conspicuous white waxy secretions, giving them a woolly appearance that likely serves as a defense against predators and parasitoids. Several species are economically significant as defoliators of woody plants, including Eriocampa juglandis (butternut woollyworm) on walnut and hickory, and Eriocampa ovata (woolly alder sawfly) on alder. The genus has a debated taxonomic history, with various classifications placing it in different subfamilies within Tenthredinidae.