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Species Dendroctonus valens - Red Turpentine Beetle

unknown small beetle - Dendroctonus valens Pine Beetle - Dendroctonus valens Red Turpentine Beetle - Dendroctonus valens bark beetle - Dendroctonus valens Small brown beetle in Sierra County - Dendroctonus valens Dendroctonus, beat from conifers - Dendroctonus valens Dendroctonus, beat from conifers - Dendroctonus valens Dendroctonus valens
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Hylurgini
Genus Dendroctonus
Species valens (Red Turpentine Beetle)
Dendroctonus valens LeConte 1860
valens 'strong'
Adults 5.5-9mm long(1)
Larvae 10-12mm long(1)
Disjunct e. & w. populations (NS-MN-TN; BC-CA to SD-TX); south to Nicaragua(2)
Primary host: Pinus(2)
Life Cycle
Overwintering in the colder part of the region is in the adult stage(1)
Females bore through the book in the basal 6' of the tree but sometimes up to the 12' mark. The gallery first runs horizontally or slightly upward then turns downward. Eggs are laid in elongate masses along the sides of the gallery. The larvae feed gregariously in the phloem. A fully-developed gallery can be a few inches to more than a foot wide. Pupation occurs in cells between the bark and the wood either in a gallery or a short distance in fresh phloem.(1)
2-3 generations per year in southern areas; further north it's 1-2 generation per year.(1)
invasive in China
Internet References
Works Cited
1.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
2.Atkinson T.H. (200_‒2023) Bark and ambrosia beetles of the Americas