Pinus
Guides
Buprestis laeviventris
metallic wood-boring beetle, jewel beetle
Buprestis laeviventris is a species of metallic wood-boring beetle in the family Buprestidae. It is native to North America and has been recorded from western Canada through the western United States. Adults are attracted to recently dead or dying coniferous trees, particularly pines. The species exhibits elytral color variation and has been the subject of recent youth science research projects examining morphological diversity across different pine host species.
Chalcophora angulicollis
western sculptured pine borer, sculptured pine borer
Chalcophora angulicollis is a large metallic wood-boring beetle in the family Buprestidae, commonly known as the western sculptured pine borer. It is one of the largest jewel beetles in western North America, measuring 20–33 mm in length. The species is strictly associated with pine trees (Pinus spp.), where larvae develop in dead or dying wood. Adults are active during daylight hours and are frequently observed running on or flying to recently fallen or injured pine trunks and branches. The species was historically confused with the eastern Chalcophora virginiensis but was reinstated as valid based on distinct morphological differences in mouthparts, male genitalia, and elytral margins.
Cydia toreuta
Eastern Pine Seedworm Moth
Cydia toreuta, commonly known as the eastern pine seedworm moth, is a small tortricid moth native to North America. The species is a specialist seed predator, with larvae feeding exclusively on the seeds of red pine (Pinus resinosa) and jack pine (Pinus banksiana). It is considered a minor forest pest that reduces seed viability in conifer stands.
Dendroctonus mexicanus
Mexican bark beetle
Dendroctonus mexicanus is a bark beetle native to Mexico and Central America, recognized as the most widely distributed and destructive bark beetle in Mexico. It colonizes more than 21 pine species and causes significant tree mortality in coniferous forests. The species' population dynamics are strongly influenced by climate variables, particularly temperature and precipitation, with outbreak risk increasing under warmer, drier conditions. It is considered a major forest pest affecting wood supply and ecosystem services.
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conifer sawflies
Gilpinia is a genus of conifer sawflies in the family Diprionidae, comprising approximately 20 described species distributed across Europe, Asia, and North America. Several species are significant forest pests, notably G. hercyniae (European spruce sawfly) and G. polytoma, which feed on spruce (Picea) species. The genus exhibits complex life history strategies including facultative diapause and variable voltinism (one to three generations annually) depending on geographic location and climate. Species identification relies heavily on morphological examination of the ovipositor, male genitalia, and wing coloration.
Hylurgops palliatus
Hylurgops palliatus is a bark beetle in the family Curculionidae that colonizes coniferous trees, primarily spruce (Picea) and pine (Pinus) species. It is a secondary bark beetle, meaning it attacks weakened, dying, or recently dead trees rather than healthy ones. The species uses host-specific monoterpene chemical cues to locate and select appropriate host trees. It vectors various fungi, including ophiostomatoid species, which play roles in its ecology and tree colonization.
Nepytia pellucidaria
false pine looper, Boreal Pine Looper Moth
Nepytia pellucidaria is a geometrid moth commonly known as the false pine looper. The species was first described by Alpheus Spring Packard in 1873. It occurs in northeastern North America, where its larvae feed on hard pines including pitch pine and red pine. The species has a wingspan of approximately 34–39 mm.
Pseudips radiatae
Pseudips radiatae is a species of weevil in the family Curculionidae. The genus Pseudips is associated with conifer hosts, and the species epithet 'radiatae' suggests an association with Pinus radiata (Monterey pine). Very few observations exist, indicating it is either rare, poorly documented, or restricted in range.
Tragosoma
Tragosoma is a genus of large saproxylic longhorn beetles in the subfamily Prioninae, distributed across the Holarctic region. The genus includes approximately six described species, with Tragosoma depsarium being the most widely studied and the type species. These beetles are obligate deadwood specialists whose larvae develop in the sapwood of conifers, particularly pines. Adults are notable for their robust, somewhat flattened bodies and relatively short antennae compared to other cerambycids. Several species are of conservation concern due to their dependence on specific deadwood microhabitats threatened by modern forestry practices.