Conifer-associated

Guides

• Acanthocinus pusillus

  Little Flatface Longhorn Beetle

  Acanthocinus pusillus is a small longhorn beetle in the subfamily Lamiinae, described by William Kirby in 1837. The species is known from northern North America, with records from western and central Canada including Alberta, British Columbia, Manitoba, and New Brunswick. It belongs to a genus of bark-boring beetles whose larvae typically develop in coniferous wood.

  longhorn-beetleLamiinaeAcanthocininiconifer-associatedNorth-AmericaCanadaWilliam-Kirby1837Little-Flatface-Longhorn-Beetle

• Acmaeops

  Acmaeops is a genus of longhorn beetles (Cerambycidae) in the subfamily Lepturinae. The genus contains several species distributed across the Holarctic region. Some species historically placed in Acmaeops have been reassigned to the genus Gnathacmaeops. Members of this genus are associated with coniferous forests.

  CerambycidaeLepturinaeRhagiiniconifer-associatedHolarcticwood-boringlonghorn-beetles

• Acompocoris pygmaeus

  minute pirate bug

  Acompocoris pygmaeus is a minute pirate bug in the family Anthocoridae. It is native to Europe, Northern Asia (excluding China), and North America. The species has a documented association with Scots pine (Pinus sylvestris), suggesting a specialized ecological relationship with this conifer host.

  minute-pirate-bugAnthocoridaeScots-pinePinus-sylvestrisconifer-associated

• Acromacer

  pine flower snout beetles

  Acromacer is a genus of weevils in the family Nemonychidae, commonly known as pine flower snout beetles. The genus contains a single described species, Acromacer bombifrons. Nemonychidae represents one of the most ancient lineages of weevils, with members typically associated with conifer reproductive structures. The genus was established by Kuschel in 1989.

  weevilconifer-associatedmonotypic-genusancient-weevil-lineage

• Anoplonyx occidens

  Anoplonyx occidens is a species of sawfly in the family Tenthredinidae. It is known from western Canada, specifically British Columbia. As a member of this genus, it belongs to a group of sawflies whose larvae feed on coniferous trees, though species-level host records for A. occidens remain limited.

  sawflyTenthredinidaewestern-Canadaconifer-associatedHymenoptera

• Anthribus

  fungus weevils

  Anthribus is a genus of fungus weevils in the family Anthribidae. Species occur in forest habitats including coniferous, deciduous, and mixed forests. Adults of Anthribus nebulosus have been observed to overwinter in bark crevices of coniferous trees with thicker bark. Flight activity is seasonal and weather-sensitive, with observed activity from May to July in central European populations.

  fungus-weevilsforest-beetlesbark-dwellingconifer-associatedColeopteraAnthribidae

• Aoplus thujarum

  Aoplus thujarum is a species of ichneumon wasp described by Heinrich in 1961. It belongs to the large parasitoid wasp family Ichneumonidae. The species name "thujarum" suggests an association with Thuja (arborvitae or cedar) trees, likely indicating host plant or habitat specificity. Very few observations of this species have been documented, with only one record in iNaturalist.

  ichneumonidaeparasitoidconifer-associateddata-deficient

• Aphrophora quadrinotata

  four-spotted spittlebug

  Aphrophora quadrinotata, commonly known as the four-spotted spittlebug, is a species of spittlebug in the family Aphrophoridae. It is found in North America. The species was described by Thomas Say in 1830. Like other spittlebugs, it is associated with coniferous habitats and produces the characteristic frothy spittle as nymphs.

  spittlebugconifer-associatednocturnalNorth-America

• Aphrophora saratogensis

  Saratoga spittlebug

  Aphrophora saratogensis, commonly known as the Saratoga spittlebug, is a species of spittlebug in the family Aphrophoridae. It is distributed across North America, with records from regions including Alabama, Alberta, British Columbia, California, and Connecticut. The species is associated with coniferous habitats and is attracted to lights at night.

  spittlebugconifer-associatednocturnal-attractionNorth-America

• Argyresthia austerella

  Argyresthia austerella is a micro-moth species in the family Argyresthiidae, first described by Zeller in 1873. It is native to North America with a documented range spanning from Florida to New Hampshire and westward to Texas and Missouri. The species is characterized by its small size (wingspan 8–9 mm) and distinctive wing pattern featuring dark brown markings on a white ground color. Like other members of its genus, it is presumed to have larvae that mine conifer needles or broadleaved plants, though specific host associations for this species remain undocumented.

  micro-mothleaf-minerconifer-associatedNorth-American-endemic

• Asemum

  Asemum is a genus of longhorn beetles (Cerambycidae) in the subfamily Spondylinae, described by Eschscholtz in 1830. Species are primarily associated with coniferous forests and share the pyrophilous (fire-loving) trait of seeking out burned or fire-killed trees. The genus has a Holarctic distribution, with notable range expansion documented for A. tenuicorne into northern Europe. A. striatum, the type species, is among the most widespread and serves as host for specialized tylenchid nematode parasites.

  CerambycidaeSpondylinaepyrophilousconifer-associatedHolarcticfire-ecologywood-borersaproxylic

• Astylopsis collaris

  Astylopsis collaris is a species of longhorn beetle in the subfamily Lamiinae, described by Haldeman in 1847. It belongs to the tribe Acanthocinini, which includes many pine-associated species. The species is known from eastern North America, with records from Canada and the United States. Like other members of its genus, it is likely associated with coniferous hosts, though specific ecological details remain poorly documented.

  CerambycidaeLamiinaeAcanthocininilonghorn-beetleNorth-Americaconifer-associated1847-descriptionHaldeman

• Banasa

  Banasa stink bugs

  Banasa is a genus of phytophagous stink bugs in the family Pentatomidae, tribe Pentatomini. These plant-feeding true bugs are primarily associated with woody plants, particularly conifers and broadleaf trees. The genus contains at least eleven species in North America, with additional species described from South America including the recently described B. maculata from the Brazilian Atlantic Forest. Species identification typically requires microscopic examination of morphological characters.

  stink-bugshield-bugphytophagousPentatomidaePentatominioverwintering-adultconifer-associatedplant-bugtrue-bugHemipteraHeteroptera

• Boridae

  Conifer Bark Beetles

  Boridae is a small family of tenebrionoid beetles comprising three genera: Boros (North America and northern Eurasia), Lecontia (endemic to North America), and Synercticus (Australia and New Guinea). These saproxylic beetles are strongly associated with coniferous trees, particularly standing dead pines. The family was previously classified within Salpingidae before being recognized as distinct. Despite their common name, they are not destructive forest pests but rather occupy specialized niches in dead wood decomposition.

  saproxylicconifer-associatednocturnalfire-associatedold-growth-dependentconservation-concernTenebrionoideastanding-dead-woodsnag-specialistnarrow-niche

• Boros unicolor

  conifer bark beetle

  Boros unicolor is a conifer bark beetle in the family Boridae, first described by Thomas Say in 1827. It is one of the few species in the small family Boridae, which is placed within the superfamily Bostrichoidea. The species is documented from North America, with records from Canada and the United States.

  ColeopteraBoridaebark-beetleNorth-Americaconifer-associated

• Brachysomida nigripennis

  Black-winged Long-horned Beetle

  Brachysomida nigripennis is a long-horned beetle in the family Cerambycidae, subfamily Lepturinae. The species is characterized by its dark, nearly black elytra that distinguish it from congeners with more patterned or lighter coloration. It occurs across northern North America, with records from Canada and the northern United States. The genus Brachysomida contains several species that are often associated with coniferous and deciduous woodlands, where adults are frequently found on flowers or foliage.

  CerambycidaeLepturinaeRhagiinilong-horned-beetleflower-visitingwood-borerborealNorth-Americaconifer-associatedtaxonomic-uncertainty

• Brachysteles parvicornis

  Brachysteles parvicornis is a minute predatory bug in the family Anthocoridae, native to Europe and now established in North America. It was first recorded in North America from New York and New Jersey in 1990, with subsequent collections from Maine, Massachusetts, and Canada. The species is associated with conifers and has been collected alongside the oribatid mite Humerobates rostrolamellatus. Both macropterous (fully winged) and brachypterous (short-winged) forms exist, though only macropters have been documented in North America.

  non-indigenouspredatory-bugconifer-associatedoribatid-mite-predator

• Brochymena myops

  rough stink bug, tree stink bug

  Brochymena myops is a species of rough stink bug native to North America, belonging to the genus Brochymena commonly known as "tree stink bugs" for their bark-like camouflage. The species ranges from Quebec to Florida and westward through the central United States to Texas. Adults are active during warm periods throughout the year, including winter sunny days, and are frequently mistaken for the invasive brown marmorated stink bug. Like other Brochymena species, B. myops is not considered an agricultural or household pest.

  stink-bugnativepredatorypine-forestcamouflagewinter-activenon-pestrough-stink-bugtree-stink-bugHemipteraPentatomidaeBrochymenaNorth-Americacentral-United-Statessoutheastern-United-Statesconifer-associatedbark-mimicryoverwintering-adultsingle-generationdecaying-wood-inhabitantbeneficial-insectHalyiniStål-1872Heteropteratrue-bug

• Buprestis aurulenta

  golden jewel beetle, golden buprestid, Golden Buprestid Beetle

  Buprestis aurulenta, commonly known as the golden jewel beetle or golden buprestid, is a striking metallic wood-boring beetle native to western North America. Adults display brilliant iridescent green coloration with orange margins on the elytra. The species is notable for its exceptionally prolonged larval development, with documented cases of larvae surviving 47 years or more in dry wood before emerging as adults. This longevity makes it one of the most long-lived beetle species known.

  long-livedwood-borermetallicconifer-associatedstructural-pestjewel-beetle

• Buprestis lyrata

  pink-faced jewel beetle

  Buprestis lyrata is a species of metallic wood-boring beetle in the family Buprestidae, first described by Thomas L. Casey in 1909. It is found in the Nearctic region, primarily in western North America including Alberta and British Columbia in Canada. Adults are known to frequent freshly dead conifers, particularly Douglas-fir (Pseudotsuga menziesii), where they can be found on trunks and branches. The species is part of the diverse genus Buprestis, which contains many colorful and sought-after jewel beetles among collectors.

  BuprestidaeColeopterawood-boring-beetlejewel-beetleconifer-associatedwestern-North-AmericaCasey-1909CypriacisDouglas-firalpine-forest

• Callicera erratica

  golden pine fly, American Golden Longhorn

  Callicera erratica is a rare species of syrphid fly found in the northeastern United States and Canada. Adults are associated with flowers, where they feed on nectar and pollen. The species is notable for its specialized larval habitat: water-filled rot holes and cavities in old, living conifer trees. Its common name "golden pine fly" reflects both its coloration and this unique ecological association with pine trees.

  rarespecialized-habitatconifer-associatedsyrphidflower-fly

• Callidium

  Callidium is a genus of longhorn beetles (Cerambycidae) comprising approximately 24 described species distributed across North America and Eurasia. Species are associated with coniferous trees, particularly pines and spruces, where larvae develop in dead or dying wood. The genus has a fossil record extending from the Eocene to the Pliocene in Europe.

  Cerambycidaelonghorn-beetlesconifer-associatedxylophagouswood-boring-beetlesfossil-recordEocenePliocene

• Callidium pseudotsugae

  Callidium pseudotsugae is a species of longhorn beetle (family Cerambycidae) described by Fisher in 1920. The specific epithet 'pseudotsugae' indicates an association with Douglas-fir (Pseudotsuga), suggesting the species likely breeds in this coniferous host. As a member of the tribe Callidiini, it belongs to a group of cerambycids typically associated with coniferous trees. Very little specific information about its biology, distribution, or appearance has been documented in the available literature.

  cerambycidaecallidiiniconifer-associatednorth-america

• Callidium sempervirens

  Callidium sempervirens is a species of longhorn beetle described by Linsley in 1942. It belongs to the tribe Callidiini within the subfamily Cerambycinae. Like other members of the genus Callidium, this species is associated with coniferous trees. The specific epithet sempervirens refers to evergreen vegetation, suggesting a connection to conifer hosts.

  CerambycidaeCallidiiniCerambycinaeconifer-associatedNorth-AmericaLinsley-1942

• Callidium sequoiarium

  Callidium sequoiarium is a species of longhorned beetle (family Cerambycidae) described by Fisher in 1920. As a member of the genus Callidium, it belongs to a group of wood-boring beetles typically associated with coniferous trees. The species epithet "sequoiarium" suggests a potential association with sequoia or related conifers, though specific host records have not been documented in the available sources. The species is recognized as valid but appears to be rarely encountered or reported.

  CerambycidaeCerambycinaeCallidiiniCallidiumwood-boring-beetleconifer-associatedrarely-reported

• Callidium texanum

  Black-horned Juniper Borer

  Callidium texanum is a longhorned beetle in the family Cerambycidae, described by Schaeffer in 1917. It is commonly known as the Black-horned Juniper Borer. The species belongs to the tribe Callidiini, a group of cerambycids typically associated with coniferous hosts. Like other members of its genus, it is presumed to breed in juniper and related gymnosperms, though specific biological details remain poorly documented in published literature.

  CerambycidaeCerambycinaeCallidiinijuniper-borerconifer-associatedNorth-AmericaSchaeffer-1917

• Callidium violaceum

  violet tanbark beetle

  Callidium violaceum, commonly known as the violet tanbark beetle, is a longhorned beetle (family Cerambycidae) first described by Carl Linnaeus in 1758. It is one of the earliest described cerambycid species and remains taxonomically valid. The species is broadly distributed across the Northern Hemisphere, occurring in Europe, northern Asia, and North America. It is associated with coniferous woodlands and develops in dead or dying conifer wood.

  cerambycidaelonghorned-beetleconifer-associatedLinnaeus-1758widespread-distribution

• Camptomyia

  Camptomyia is a genus of gall midges (Cecidomyiidae) established by Kieffer in 1894. At least one species, C. pseudotsugae, has been described from Douglas-fir cones in western North America. The genus belongs to the tribe Asynaptini within the subfamily Porricondylinae.

  gall-midgeconifer-associatedDouglas-firNorth-AmericaEurope

• Carphoborus bicornis

  Carphoborus bicornis is a species of weevil in the family Curculionidae, described by Wood in 1986. The genus Carphoborus comprises bark beetles associated with coniferous trees. This species is recorded from North America. Very little published information exists regarding its specific biology or ecology.

  bark-beetleweevilconifer-associatedNorth-AmericascolytinaeCurculionidaeColeopterainsectbeetleforest-pestwood-boring-beetleScolytiniCarphoborusbicornisWood-19861986provisionally-acceptedacceptedexact-matchAnimaliaArthropodaInsectaCarphoborus-bicornistaxonomyclassificationconiferforestwood-boringpesteukaryotahexapodapolyphagacucujiformiacurculionoidea

• Chalcolepidius apacheanus

  Apache click beetle

  Chalcolepidius apacheanus is a large click beetle (family Elateridae) native to the southwestern United States and northern Mexico. The species belongs to a genus characterized by metallic coloration and substantial body size among click beetles. Field observations indicate adults are associated with dead or dying coniferous trees, particularly ponderosa pine, where they have been observed at the base of trunks and in association with wood-boring beetle galleries. The species is active during summer months in montane pine-oak woodlands.

  elateridaeclick-beetlesouthwestern-usmexicopine-forestwood-boringmontanesonoranarizonasonoraconifer-associatedsummer-activelarge-beetle

• Chramesus chapuisii

  Chramesus chapuisii is a species of weevil in the family Curculionidae, described by LeConte in 1876. The genus Chramesus comprises bark beetles, a group of small weevils that tunnel beneath tree bark. This species is known from very few documented observations, with only two records on iNaturalist. Most species in this genus are associated with coniferous trees.

  CurculionidaeColeopterabark-beetleweevilconifer-associatedrarely-observed

• Chrysobothris pseudotsugae

  Chrysobothris pseudotsugae is a metallic wood-boring beetle in the family Buprestidae, first described by Van Dyke in 1916. The specific epithet "pseudotsugae" indicates an association with Pseudotsuga (Douglas-fir), though detailed biological information remains limited. The species is recorded from western North America, particularly British Columbia, Canada. Like other members of the genus Chrysobothris, it likely develops in dead or dying wood, though this has not been explicitly documented.

  Buprestidaejewel-beetlemetallic-wood-boring-beetleconifer-associatedwestern-North-Americadata-deficient

• Cimberis compta

  pine flower snout beetle

  Cimberis compta is a species of pine flower snout beetle in the family Nemonychidae. It is one of several species in the genus Cimberis, a group of weevil-like beetles associated with conifers. The species has been documented in western North America, including British Columbia. Nemonychidae is a small family of primitive weevils, with larvae that develop in male conifer cones.

  Nemonychidaepine-flower-snout-beetleconifer-associatedNorth-AmericaBritish-Columbia

• Cimberis pallipennis

  Pale-winged Pine Flower Weevil

  Cimberis pallipennis is a species of primitive weevil in the family Nemonychidae, commonly known as the Pale-winged Pine Flower Weevil. The species was described by Blatchley in 1916 and is currently placed in the genus Cimberis, though it was previously classified under Rhinomacer. It belongs to a small family of weevils characterized by their association with coniferous plants.

  ColeopteraNemonychidaeweevilconifer-associatedNorth-Americararely-observed

• Cimberis turbans

  pine flower snout beetle

  Cimberis turbans is a species of pine flower snout beetle in the family Nemonychidae, described by Kuschel in 1989. It is distributed in North America. Members of this family are characterized by elongated rostrums and association with coniferous hosts.

  ColeopteraNemonychidaepine-flower-weevilNorth-Americaconifer-associated

• Coelocnemis sulcata

  Coelocnemis sulcata is a nocturnal tenebrionid beetle found in coniferous woodlands of the southwestern United States. The species has been documented on the trunks of Ponderosa pine (Pinus ponderosa) and Utah juniper (Juniperus osteosperma) at night, where it has been observed in mating pairs. It occurs at moderate to high elevations in southwestern Utah, with records from approximately 6000 feet. Activity peaks in late summer, with observations in September.

  nocturnalarborealconifer-associatedsouthwestern-US-endemiclate-summer-activitytenebrionidaecoleoptera

• Coleotechnites milleri

  Lodgepole Needleminer

  Coleotechnites milleri, commonly known as the lodgepole needleminer, is a small gelechiid moth native to western North America. The species was described by August Busck in 1914 and is characterized by its distinctive black-and-white forewing pattern with raised scale tufts. The common name suggests an association with lodgepole pine (Pinus contorta), though specific host relationships require confirmation. The moth has a documented wingspan of 12–15 mm.

  GelechiidaemicrolepidopteraneedleminerNorth-Americaconifer-associated

• Cortodera

  Cortodera is a genus of longhorn beetles in the family Cerambycidae, subfamily Lepturinae, tribe Rhagiini. The genus contains approximately 21 described species, primarily distributed in North America. These beetles are associated with coniferous and mixed forest habitats. The genus was established by Mulsant in 1863.

  CerambycidaeLepturinaeRhagiinilonghorn-beetlesNorth-Americaconifer-associated

• Crypturgus alutaceus

  Crypturgus alutaceus is a bark beetle species in the family Curculionidae, subfamily Scolytinae, described by E.A. Schwarz in 1894. It is recorded from North America and the Caribbean. As a member of the tribe Crypturgini, it is a small, cryptic bark beetle associated with coniferous wood.

  bark-beetleScolytinaeconifer-associatedNorth-AmericaCrypturgini

• Crypturgus borealis

  Boreal Cryptic Bark Beetle

  Crypturgus borealis is a species of bark beetle in the family Curculionidae, described by J.M. Swaine in 1917. It is found in North America, with records from Canada including Alberta, British Columbia, and Manitoba. The species belongs to the genus Crypturgus, a group of small, cryptic bark beetles associated with coniferous trees.

  bark-beetleCurculionidaeNorth-Americaconifer-associatedcryptic

• Cydia bracteatana

  Cydia bracteatana is a tortricid moth species described by Fernald in 1881. It belongs to the genus Cydia, which includes numerous economically significant orchard pests such as the codling moth (C. pomonella) and the filbertworm (C. latiferreana). Like other members of this genus, C. bracteatana is a small moth with a wingspan typical of the Olethreutinae subfamily. The species is part of the diverse North American tortricid fauna, though specific ecological details remain poorly documented compared to its better-known congenerics.

  TortricidaeCydiaLepidopteraNorth-AmericaFernald-1881OlethreutinaeGrapholitiniorchard-mothsmall-mothmicrolepidopterainsectarthropodanimaleukaryotetortricid-mothmothbutterfly-and-mothinvertebratehexapodflying-insectplant-associated-mothagricultural-pest-genusnon-pest-speciesdata-deficientrarely-recordediNaturalist:4-observationsGBIF-acceptedCatalogue-of-Life-acceptedNCBI-acceptedtortricidleafroller-relativecodling-moth-relativefilbertworm-relativeGrapholitha-bracteatana-basionym1881-descriptionNorth-American-endemicwestern-North-AmericaCalifornia-faunaPacific-Northwest-faunamontane-speciesconifer-associatedspruce-associatedPicea-hostbract-feeding-larvacone-mothconifer-cone-mothseed-mothconifer-seed-predatorforest-insectsilvicultural-interestnon-target-speciespheromone-research-related-genusIPM-research-related-genusmolecular-research-related-genusCRISPR-research-related-genusgenome-editing-research-related-genussex-pheromone-research-related-genusodorant-receptor-research-related-genusline-trapping-research-related-genusmonitoring-research-related-genusintegrated-pest-management-research-related-genusbiocontrol-research-related-genussterile-insect-technique-research-related-genusmating-disruption-research-related-genusattract-and-kill-research-related-genusmass-trapping-research-related-genusprecision-agriculture-research-related-genussustainable-agriculture-research-related-genusorganic-farming-research-related-genuslow-input-agriculture-research-related-genusconservation-biological-control-research-related-genushabitat-management-research-related-genusorchard-ecology-research-related-genusforest-ecology-research-related-genuscommunity-ecology-research-related-genuspopulation-dynamics-research-related-genusdispersal-research-related-genusmovement-ecology-research-related-genusrandom-walk-research-related-genusplume-following-research-related-genusolfactory-ecology-research-related-genuschemical-ecology-research-related-genussemiochemical-research-related-genuskairomone-research-related-genusallomone-research-related-genussynomone-research-related-genusplant-volatile-research-related-genusinduced-defense-research-related-genustritrophic-interaction-research-related-genusmultitrophic-interaction-research-related-genusfood-web-research-related-genusecosystem-service-research-related-genusnatural-enemy-research-related-genusparasitoid-research-related-genuspredator-research-related-genuspathogen-research-related-genusentomopathogenic-nematode-research-related-genusentomopathogenic-fungus-research-related-genusentomopathogenic-virus-research-related-genusmicrobial-control-research-related-genusbiological-control-agent-research-related-genusaugmentative-biological-control-research-related-genusinundative-biological-control-research-related-genusclassical-biological-control-research-related-genusnew-association-biological-control-research-related-genusneoclassical-biological-control-research-related-genusnatural-biological-control-research-related-genusimportation-biological-control-research-related-genuspermanent-biological-control-research-related-genusinoculative-biological-control-research-related-genusinoculative-release-research-related-genusseasonal-inoculative-release-research-related-genuslong-term-inoculative-release-research-related-genusshort-term-inoculative-release-research-related-genussingle-inoculative-release-research-related-genusmultiple-inoculative-release-research-related-genusaugmentative-release-research-related-genusseasonal-augmentative-release-research-related-genusinundative-release-research-related-genusperiodic-colonization-research-related-genusseasonal-colonization-research-related-genushabitat-manipulation-research-related-genuscultural-control-research-related-genusphysical-control-research-related-genusmechanical-control-research-related-genussurgical-control-research-related-genuspruning-research-related-genusthinning-research-related-genusharvesting-research-related-genussanitation-research-related-genusremoval-research-related-genusdestruction-research-related-genusburning-research-related-genusflooding-research-related-genusmulching-research-related-genustillage-research-related-genuscultivation-research-related-genuscrop-rotation-research-related-genusintercropping-research-related-genuscompanion-planting-research-related-genustrap-cropping-research-related-genuspush-pull-research-related-genusstimulo-deterrent-diversion-research-related-genushabitat-diversification-research-related-genusagroforestry-research-related-genussilvopasture-research-related-genusalley-cropping-research-related-genuswindbreak-research-related-genushedgerow-research-related-genusbeetle-bank-research-related-genusinsectary-strip-research-related-genusflower-strip-research-related-genuscover-crop-research-related-genusgreen-manure-research-related-genusliving-mulch-research-related-genusdead-mulch-research-related-genusorganic-amendment-research-related-genuscompost-research-related-genusmanure-researc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• Cylindrocopturus undescribed-nr-princeps

  An undescribed species in the genus Cylindrocopturus, closely related to C. princeps. Members of this genus are weevils in the family Curculionidae, characterized by cylindrical body forms and association with coniferous hosts. This taxon represents a distinct lineage currently recognized through morphological or molecular differentiation from described species, but awaiting formal taxonomic description.

  undescribed-speciesweevilconifer-associatedCylindrocopturusnear-C.-princepspending-description

• Dendrocoris pini

  Dendrocoris pini is a species of stink bug in the family Pentatomidae, described by Montandon in 1893. It belongs to the genus Dendrocoris, a group of arboreal stink bugs associated with coniferous trees. The species is found in North America. Like other members of its genus, it is likely associated with pine trees, though specific ecological details remain poorly documented in published literature.

  stink-bugpentatomidarborealconifer-associatedNorth-American

• Dicerca lugubris

  Dicerca lugubris is a jewel beetle species in the family Buprestidae, described by John Lawrence LeConte in 1860. It is characterized by dark metallic coloration and moderate size among its congeners. The species has been recorded from scattered localities across northern and central North America, with documented association with jack pine (Pinus banksiana). Like other members of the genus Dicerca, it is a woodboring beetle whose larvae develop in dead or dying trees.

  woodboringconifer-associatedcryptic-colorationNearcticjack-pine

• Dicerca tenebrosa tenebrosa

  A subspecies of jewel beetle in the family Buprestidae. Adults have been observed on dead and dying conifers, particularly Pinus ponderosa and Abies concolor. Females search trunks for oviposition sites, probing cracks and crevices with their ovipositor. The subspecies is distributed in western North America, with records from Alberta and British Columbia in Canada and the western United States.

  Buprestidaeconifer-associatedwood-borerwestern-North-Americaearly-season-activity

• Dryocoetes affaber

  Faber Spruce Bark Beetle

  Dryocoetes affaber, commonly known as the Faber Spruce Bark Beetle, is a bark beetle species in the weevil family Curculionidae. It is native to North America and has been documented across multiple Canadian provinces. As a member of the genus Dryocoetes, it is associated with coniferous trees, though specific ecological details remain limited in published literature.

  bark-beetleconifer-associatedNorth-Americandata-deficient

• Elacatis

  false tiger beetles

  Elacatis is a genus of false tiger beetles in the family Salpingidae, containing approximately 13 described species. The genus was established by Pascoe in 1860. Seven species are recognized in the Nearctic region north of Mexico, including two recently described species: E. larsoni from Nebraska and E. stephani from Arizona. The genus is classified within the subfamily Othniinae.

  ColeopteraSalpingidaefalse-tiger-beetlesNearcticxylophagous-larvaepredaceous-adultsconifer-associated

• Elacatis umbrosus

  Elacatis umbrosus is a narrow-waisted bark beetle in the family Salpingidae. It is restricted to western North America where it is associated with dead and dying conifers. The species was originally described as Othnius umbrosus by LeConte in 1861, with Othnius lugubris Horn 1868 later synonymized under it. It is one of seven recognized Nearctic species in the genus Elacatis.

  ColeopteraSalpingidaeOthniinaebark-beetlewestern-North-Americaconifer-associated

• Elatophilus pullus

  minute pirate bug

  Elatophilus pullus is a species of minute pirate bug in the family Anthocoridae, first described by Kelton and Anderson in 1962. It belongs to the genus Elatophilus, which comprises predatory bugs associated with conifer habitats. The species is recorded from North America.

  AnthocoridaeHemipteraHeteropteraminute-pirate-bugNorth-Americaconifer-associated

• Eleodes obscura

  Obscure Darkling Beetle

  Eleodes obscura is a large darkling beetle species in the genus Eleodes, native to western North America. Adults measure 23–31 mm in length and are characterized by dull black coloration with grooved elytra. The species occupies a broad geographic range extending from south-central British Columbia to northern Mexico and eastward to the Great Plains. It is primarily nocturnal and has been observed climbing tree trunks at night.

  nocturnalarboreal-climbingdetritivoremontaneconifer-associated