Oak-specialist
Guides
Acronicta marmorata
marble dagger moth, Marbled Oak Dagger
Acronicta marmorata, commonly known as the marble dagger moth or Marbled Oak Dagger, is a noctuid moth species native to western North America. The species is characterized by its marbled wing pattern and moderate size, with a wingspan of approximately 43 mm. Adults are active during mid-summer months, with larvae specializing on oak foliage.
Andricus burnetti
Andricus burnetti is a species of gall wasp in the family Cynipidae, a group renowned for inducing diverse and structurally complex galls on oak trees. As a member of the genus Andricus, this species participates in the intricate life cycle characteristic of cynipid wasps, where females lay eggs in oak tissues and the developing larvae secrete substances that redirect plant growth to form specialized galls. The species was described by Burnett, for whom it is named. Like many Andricus species, it likely exhibits host specificity to particular oak species, though detailed biological accounts remain limited in published literature.
Aristotelia undescribed-ex-quercus
twirler moth
Aristotelia undescribed-ex-quercus is a small, undescribed species of twirler moth in the family Gelechiidae. The informal epithet "ex-quercus" indicates an association with oak (Quercus) as a larval host plant. Like other Aristotelia species, it is tiny but boldly marked. The genus contains approximately 35 named species in North America north of Mexico, with many additional species awaiting formal description. Each Aristotelia species appears to specialize on a particular host plant, though collectively the genus utilizes many plant families.
Bucculatrix ainsliella
Oak Skeletonizer Moth, Oak Leaf Skeletonizer
Bucculatrix ainsliella is a micromoth in the family Bucculatricidae, described by Mary Murtfeldt in 1905. It is native to North America and has been introduced to Europe, with first records from the Netherlands and Belgium in 2011. The species is notable for its distinctive larval feeding behavior on oak leaves, progressing from internal leaf mining to external skeletonization.
Bucculatrix recognita
A small North American micromoth in the family Bucculatricidae, described by Annette Frances Braun in 1963. Adults are active from August through October. The larvae are leaf miners that feed specifically on bur oak (Quercus macrocarpa).
Bucculatrix trifasciella
Three-banded ribbed cocoon-maker moth
Bucculatrix trifasciella is a small moth in the family Bucculatricidae, first described by James Brackenridge Clemens in 1866. The larvae are leaf miners on oak (Quercus) species, creating distinctive feeding patterns within leaf tissue. The species is found in eastern North America, with records from the northeastern United States and Ontario, Canada.
Caloptilia reticulata
Caloptilia reticulata is a small moth in the family Gracillariidae, known exclusively from California, United States. The larvae are leaf miners on oaks, specifically documented on Quercus agrifolia (coast live oak) and Quercus wislizeni (interior live oak). As with other Caloptilia species, the larvae likely create blotch mines within oak leaves and may fold or roll leaves in later instars.
Cameraria cincinnatiella
Gregarious Oak Leafminer Moth
Cameraria cincinnatiella is a small leaf-mining moth in the family Gracillariidae, commonly known as the gregarious oak leafminer moth. The species was described by Chambers in 1871 and is native to eastern and central North America. Adults have a wingspan of approximately 15 mm. Larvae are specialized feeders on Quercus (oak) species, creating distinctive mines in leaves.
Cameraria diabloensis
Cameraria diabloensis is a minute leaf-mining moth in the family Gracillariidae, described by Opler & Davis in 1981. The species is endemic to California, United States, and is associated with a specific host plant, Quercus chrysolepis var. nana. Its larvae create characteristic mines in the leaves of this oak species. The species epithet refers to Mount Diablo in California.
Cameraria fasciella
Cameraria fasciella is a micro-moth in the family Gracillariidae, known only from Kentucky and Ohio in the United States. Adults have a wingspan of 6–7 mm. The larvae are leaf miners that feed on Quercus species, specifically documented on Quercus tinctoria and Quercus velutina, creating irregular yellowish blotch mines on the upper surface of leaves.
Cameraria fletcherella
Cameraria fletcherella is a small leaf-mining moth in the family Gracillariidae. Adults have a wingspan of 8.5–9 mm. The species is known from limited localities in northeastern North America. Larvae are specialized feeders on oak leaves, creating internal mines in foliage.
Cameraria hamadryadella
Solitary Oak Leafminer, Solitary Oak Leafminer Moth
Cameraria hamadryadella is a small leaf-mining moth in the family Gracillariidae, widely distributed across temperate North America. The larvae feed exclusively on oak (Quercus) species, creating distinctive mines within leaves. Adults are active in spring with typically two generations per year, though a facultative third generation may occur in warm years. Population dynamics are strongly influenced by host plant phenology, particularly the timing of autumn leaf fall, which can account for more than 50% of mortality in years with early leaf drop.
Cameraria mediodorsella
Cameraria mediodorsella is a minute leaf-mining moth in the family Gracillariidae. It is endemic to California, where larvae feed on several oak (Quercus) species. The species was described by Braun in 1908.
Cameraria pentekes
Cameraria pentekes is a small leaf-mining moth described by Opler and Davis in 1981. The species is restricted to western North America, occurring in British Columbia, Canada, and the states of California and Washington in the United States. Its larvae are specialized miners of oak leaves, feeding exclusively on Quercus douglasii and Quercus lobata. The species name refers to the distinctive five-pointed vincular process of the male genitalia.
Catocala amica
girlfriend underwing
Catocala amica is a medium-sized underwing moth found across eastern and central North America. Adults are distinguished by bright yellow hindwings with a black marginal band and separate black dot near the anal angle, combined with spineless tibiae. The species is active from June to September and is attracted to ultraviolet light. Larvae feed exclusively on oak species (Quercus). The former subspecies C. a. lineella is now recognized as a distinct species, Catocala lineella.
Catocala californiensis
California Underwing
Catocala californiensis is an underwing moth in the family Erebidae, endemic to southern California. Adults fly from June to July, with likely one generation per year. The larvae are specialized feeders on Quercus turbinella (scrub oak).
Catocala coccinata
Scarlet Underwing
Catocala coccinata is a large underwing moth in the family Erebidae, first described by Augustus Radcliffe Grote in 1872. Adults are characterized by cryptic forewings that conceal brightly colored hindwings, which are exposed when the moth is disturbed. The species occurs across eastern North America, with larvae specializing on oak species. Two subspecies are recognized: the nominate form and C. c. sinuosa from Florida.
Catocala mcdunnoughi
McDunnough's underwing
Catocala mcdunnoughi, known as McDunnough's underwing, is a moth in the family Erebidae described by Auburn Edmund Brower in 1937. It is endemic to California, where adults are active from June to August with likely one generation per year. The larvae feed on Quercus chrysolepis (canyon live oak). Like other underwing moths, it exhibits the characteristic cryptic forewings and colorful hindwings typical of the genus.
Catocala messalina
Messalina underwing
Catocala messalina, the Messalina underwing, is a moth species in the family Erebidae. It is one of more than 250 species in the genus Catocala, commonly known as underwing moths due to their habit of concealing brightly colored hindwings beneath cryptic forewings. The species was described by Achille Guenée in 1852 and is restricted to the southeastern and south-central United States.
Chrysobothris mescalero
Chrysobothris mescalero is a metallic wood-boring beetle in the family Buprestidae, described in 2007 by Wellso and Manley. It belongs to the taxonomically challenging Chrysobothris femorata species-group. The species is endemic to sand dune habitats in New Mexico and west Texas, where it develops exclusively in oak (Quercus) species. Adults are characterized by uniformly brown frons and clypeus in both sexes, and three distinct elytral costae with indistinct foveae.
Cissusa indiscreta
Indiscreet Cissusa Moth, Indiscrete Cissusa Moth
Cissusa indiscreta is a moth species in the family Erebidae, distributed across western North America from British Columbia to central Colorado. Adults are active in spring with a single annual generation. Larvae are specialized feeders on Quercus species.
Coptodisca powellella
Coptodisca powellella is a small moth in the family Heliozelidae, described by Paul A. Opler in 1971. It is endemic to California and is associated with coast live oak (Quercus agrifolia). The larvae are leaf miners, creating distinctive feeding patterns within the leaves of their host plant.
Coptotriche badiiella
Coptotriche badiiella is a small moth in the family Tischeriidae, known for its leaf-mining larvae that create distinctive blotch mines on oak leaves. The species is widely distributed across eastern North America, from Ontario south to Louisiana. Larval feeding is restricted to Quercus species, particularly white oak (Quercus alba) and pin oak (Quercus palustris).
Coptotriche consanguinea
Coptotriche consanguinea is a leaf-mining moth in the family Tischeriidae, described by Annette Frances Braun in 1972. It is known only from California, where its larvae create mines in the leaves of several oak species (Quercus). The species is one of relatively few documented members of its genus in western North America.
Coptotriche zelleriella
Coptotriche zelleriella is a small moth in the family Tischeriidae, described by James Brackenridge Clemens in 1859. The species occurs across eastern North America, from Ontario and Quebec south to Florida and west to Texas and Missouri. Its larvae are leaf miners that feed exclusively on white oak group (Quercus sect. Quercus) species.
Cyrtolobus vau
Cyrtolobus vau is a small oak-feeding treehopper in the family Membracidae. First described by Thomas Say in 1830, it is one of the more frequently observed treehoppers in eastern North America, with over 1,100 records on iNaturalist. The species exhibits sexual dimorphism in pronotal crest height.
Decodes basiplagana
Decodes basiplagana is a tortricid moth species found across eastern and central North America. Adults have forewings measuring 8.1–9 mm in length. The species is notable for its larval association with Quercus lobata (valley oak), indicating a specialized host relationship. It has been documented from Ontario south to Oklahoma and Tennessee, and from Massachusetts west to Minnesota and Wisconsin.
Disholcaspis prehensa
clasping twig gall wasp
Disholcaspis prehensa is a gall-inducing cynipid wasp native to California that induces distinctive galls on scrub oak and leather oak. The species exhibits heterogony, alternating between sexual and asexual generations that produce two morphologically different gall types. The asexual generation forms conspicuous mushroom-shaped twig galls with clasping bases, while the sexual generation produces small, hidden bud galls.
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agementstrategic-risk-management-management-managemententerprise-risk-management-management-managementintegrated-risk-management-management-managementholistic-risk-management-management-managementsystemic-risk-management-management-managementcascading-risk-management-management-managementcompound-risk-management-management-managementcomplex-risk-management-management-managementemerging-risk-management-management-managementevolving-risk-management-management-managementtransboundary-risk-management-management-managementplanetary-risk-management-management-managementexistential-risk-management-management-managementglobal-catastrophic-risk-management-management-managementcivilization-risk-management-management-managementhuman-extinction-risk-management-management-managementspecies-extinction-risk-management-management-managementecosystem-collapse-risk-management-management-managementtipping-point-management-management-managementthreshold-management-management-managementregime-shift-management-management-managementalternative-stable-state-management-management-managementhysteresis-management-management-managementpath-dependence-management-management-managementlock-in-management-management-managementcarbon-lock-in-management-management-managementinfrastructure-lock-in-management-management-managementbehavioral-lock-in-management-management-managementinstitutional-lock-in-management-management-managementtechnological-lock-in-management-management-managementregulatory-lock-in-management-management-managementfinancial-lock-in-management-management-managementpolitical-lock-in-management-management-managementcultural-lock-in-management-management-managementsocial-lock-in-management-management-managementeconomic-lock-in-management-management-managementstructural-inertia-management-management-managementresistance-to-change-management-management-managementbarrier-to-change-management-management-managementenabler-of-change-management-management-managementdriver-of-change-management-management-managementaccelerator-of-change-management-management-managementcatalyst-of-change-management-management-managementleverage-point-management-management-managementintervention-point-management-management-managemententry-point-management-management-managementwindow-of-opportunity-management-management-managementpolicy-window-management-management-managementpolitical-opportunity-management-management-managementsocial-opportunity-management-management-managementeconomic-opportunity-management-management-managementtechnological-opportunity-management-management-managementenvironmental-opportunity-management-management-managementcrisis-opportunity-management-management-managementdisaster-opportunity-management-management-managementbuild-back-better-management-management-managementgreen-recovery-management-management-managementjust-recovery-management-management-managementresilient-recovery-management-management-managementsustainable-recovery-management-management-managementtransformational-recovery-management-management-managementdisaster-risk-reduction-management-management-managementprevention-management-management-managementpreparedness-management-management-managementresponse-management-management-managementrecovery-management-management-managementrehabilitation-management-management-managementreconstruction-management-management-managementresilience-building-management-management-managementadaptive-capacity-building-management-management-managementtransformative-capacity-building-management-management-managementEctoedemia similella
Broken-banded Ectoedemia Moth
Ectoedemia similella is a minute moth in the family Nepticulidae, commonly known as the Broken-banded Ectoedemia Moth. It is native to eastern North America, with confirmed records from Ohio and Kentucky. The species has a wingspan of only 5–6 mm. Its larvae are leaf miners that feed exclusively on pin oak (Quercus palustris).
Egira februalis
mottled oak woodling moth, mottled oak woodling
Egira februalis is a noctuid moth commonly known as the mottled oak woodling. It is a late-winter to early-spring flier found in oak-dominated habitats of western North America. The species exhibits lichen-mimicking coloration and is nocturnal, readily attracted to artificial lights. Its larvae are specialized feeders on oaks (Quercus spp.).
Eriocraniella xanthocara
Eriocraniella xanthocara is a small, iridescent moth in the family Eriocraniidae, described by Donald R. Davis in 1978. It is endemic to California, ranging from Shasta County south to Santa Clara County and Santa Cruz Island. Adults are active in spring from early March to late April, with one generation per year. The larvae are leaf miners on two oak species.
Erynnis brizo
Sleepy Duskywing, Banded Oak Duskywing
Erynnis brizo is a skipper butterfly in the family Hesperiidae, found throughout North America. Adults are commonly confused with E. juvenalis and E. lucilius. The species is listed as threatened in Connecticut and Maine. Larvae feed on scrub oaks, while adults nectar from heath family flowers and other sources.
Erynnis horatius
Horace's duskywing
Erynnis horatius, commonly known as Horace's duskywing, is a skipper butterfly in the family Hesperiidae. It is distributed across much of the eastern and central United States, with populations extending from Massachusetts to Florida and westward to the Great Plains and southwestern states. The species exhibits sexual dimorphism in wing coloration and is closely associated with oak woodlands throughout its range. It is listed as a species of special concern in Connecticut.
Exoteleia californica
Exoteleia californica is a small gelechiid moth endemic to California, with a wingspan of approximately 15 mm. The species is characterized by distinctive wing patterning featuring silvery white forewings with black-edged ochreous costal streaks and raised black scale tufts. Larvae feed on Quercus chrysolepis (canyon live oak), establishing a specific host relationship with this oak species.
Feralia
Feralia is a genus of noctuid moths established by Grote in 1874. Species within this genus are late-winter to early-spring fliers, nocturnal, and readily attracted to lights. The genus includes Feralia februalis, a lichen-mimicking species narrowly endemic to the West Coast of North America and dependent on oaks as a larval food plant.
Feralia februalis
A small noctuid moth of the Pacific West, notable for its sea-green mottled coloration that resembles lichen. Adults fly from late winter through early spring and are strongly attracted to lights. The species is narrowly endemic to oak-associated habitats and has been identified as management-sensitive due to its dependence on Quercus species as larval host plants.
Habrodais grunus
Golden Hairstreak
The golden hairstreak is a small North American butterfly in the family Lycaenidae. It is strongly associated with oak habitats and displays unusual crepuscular activity patterns, being most active during dawn and dusk rather than midday. The species has a single annual generation and shows high fidelity to specific oak host plants for larval development.
Heliria cristata
Heliria cristata is a North American treehopper species in the family Membracidae, first described by Léon Fairmaire in 1846. It is primarily associated with oak trees, particularly black oak (Quercus velutina), and occurs across a broad range in eastern North America. The species is one of approximately 200 observations recorded on iNaturalist, indicating moderate documentation of its occurrence.
Hemileuca peigleri
Texas buck moth
Hemileuca peigleri, the Texas buck moth, is a day-flying saturniid moth endemic to central Texas. Adults are short-lived and do not feed, relying on fat reserves accumulated during larval development. The species is closely associated with oak habitats, where larvae feed on several oak species. Taxonomic status has been debated, with some authorities treating it as a subspecies of Hemileuca maia, though it is currently recognized as a distinct species.
Hemileuca slosseri
Slosser's buckmoth, nit-grass moth
Hemileuca slosseri is a species of buck moth in the family Saturniidae, described in 1989 by Richard S. Peigler and Stephen E. Stone. It is found in North America, particularly in the southwestern United States including New Mexico and adjacent Oklahoma. The species is associated with oak habitats, with larvae feeding on Havard shin-oak (Quercus havardii). Like other Hemileuca species, it is diurnal and possesses urticating (stinging) spines as larvae.
Iassus lanio
oak leafhopper
Iassus lanio is a leafhopper species in the subfamily Iassinae, tribe Iassini, and the type species of its genus. It is distributed across Europe, including the British Isles, through to Russia and Northern Africa. The species feeds on oak trees (Quercus robur and Quercus petraea) in forest habitats and possesses a complex microbiome including obligate bacterial and fungal symbionts that supplement its nutrient-poor phloem-sap diet.
Malacosoma constricta
Pacific tent caterpillar
Malacosoma constricta, the Pacific tent caterpillar, is a moth species endemic to western North America, recorded from California, Oregon, and Washington. The species is specialized on oaks (Quercus spp.) as larval hosts. Two subspecies are recognized in California: M. c. austrinum occurs from Santa Barbara County southward, while M. c. constrictum occurs from Los Angeles County northward. The larvae construct small silken tents for group living and thermoregulation, feeding gregariously on oak foliage.
Megapurpuricenus magnificus
Texas Canyon Longhorn Beetle
Megapurpuricenus magnificus is a spectacular longhorn beetle (Cerambycidae) known for its massive size and striking red-and-black coloration. It is the sole species in its genus and exhibits a remarkable synchronized mass emergence every three years following the first summer monsoon rains. Adults are powerful fliers that congregate high in oak canopies for a brief reproductive period lasting approximately two weeks. The species has an extremely restricted distribution, occurring only in a few canyon systems in southeastern Arizona and historically in the Huachuca Mountains.
Metria amella
Live Oak Metria Moth
Metria amella, commonly known as the Live Oak Metria Moth, is a species of owlet moth in the family Erebidae. It is native to North America and is associated with live oak habitats. The species was described by Achille Guenée in 1852, originally placed in the genus Campometra. It is the sole species in the genus Metria, making it taxonomically distinctive among Erebidae.
Neocrania
Neocrania is a genus of small moths in the family Eriocraniidae, established by Davis in 1978. The genus is monotypic, containing only Neocrania bifasciata, a species endemic to the Coast Ranges of southern California. Adults are diurnal and active in early June, with a single generation annually. The larvae are leaf miners on Quercus chrysolepis (canyon live oak).
Ophiderma flava
Ophiderma flava is a species of treehopper in the family Membracidae, first described by Frederic Webster Goding in 1893. It is found in mixed hardwood forests of eastern North America, where it is closely associated with oak trees (Quercus). The species is active from June to August and feeds specifically on oak species.
Phyllonorycter aeriferella
Phyllonorycter aeriferella is a minute leaf-mining moth in the family Gracillariidae. Adults have a wingspan of 7–8.5 mm. The larvae feed exclusively on oak species (Quercus), creating characteristic leaf mines. The species occurs in eastern North America from Canada to the southeastern United States.
Phyllonorycter albanotella
Marginal Tentiform Oak Leafminer
Phyllonorycter albanotella is a minute moth in the family Gracillariidae, commonly known as the Marginal Tentiform Oak Leafminer. Adults have a wingspan of 6–7.5 mm. The species is specialized on oaks, with larvae creating distinctive tentiform mines on the undersides of leaves. It occurs in eastern North America from Ontario and Québec south to Texas.
Phyllonorycter basistrigella
Phyllonorycter basistrigella is a minute leaf-mining moth in the family Gracillariidae. The species creates distinctive tentiform mines on the undersides of oak leaves, with larvae constructing an oval frass ring around the pupal cocoon. It is widely distributed across eastern and western North America, with records from Canada and numerous U.S. states. The wingspan measures approximately 8 mm.
Phyllonorycter quercialbella
Phyllonorycter quercialbella is a minute leaf-mining moth in the family Gracillariidae. Adults have a wingspan of approximately 7 mm. The species is restricted to eastern North America, where larvae feed as leaf miners on several oak species. It was first described by Fitch in 1859.