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For Insects, Spiders & Their Kin
For the United States & Canada

Species Trogoxylon parallelipipedum - Velvety Powderpost Beetle

Cathartosilvanus sp ? - Trogoxylon parallelipipedum - female Bostrichidae, dorsal - Trogoxylon parallelipipedum Velvety Powderpost Beetle - Trogoxylon parallelipipedum Velvety Powderpost Beetle - Trogoxylon parallelipipedum Unid. beetle I - Trogoxylon parallelipipedum tiny elongate beetle - Trogoxylon parallelipipedum Backyard #599 - Trogoxylon parallelipipedum Trogoxylon parallelipipedum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Bostrichoidea
Family Bostrichidae (Horned Powder-post Beetles)
Subfamily Lyctinae (Powder-post Beetles)
Genus Trogoxylon
Species parallelipipedum (Velvety Powderpost Beetle)
Other Common Names
Parallel Powderpost Beetle
Synonyms and other taxonomic changes
Trogoxylon parallelopipedum (Melsheimer 1846)
Size
2.0–4.2 mm(1)
Identification
anterior pronotal angles prominent, acute; post-clypeus rounded, depressed; antennal club abruptly expanded(2)

Det. M. A. Quinn, 2012
Range
e NA, native to Eurasia - Map (1)(3)(4)(5)
Season
mostly: May-June (BG data)
Food
seasoned hardwood timber; has also been found boring into the trunks of living honey-locust (Gleditsia triacanthos)(4); can infest bamboo(6)
Life Cycle
Overwinters as larvae; adults emerge and lay eggs in spring. Adults of the second generation emerge in late summer or fall. Development is completed in 4–5 months in recently sawed logs.(6)
Internet References
Fact sheet (Walker 2011)(1)