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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Bostrichoidea » Death-watch and Spider Beetles (Ptinidae) » Spider Beetles (Ptininae) » Ptinini » Ptinus » subgenus Gynopterus (Ptinus subgenus Gynopterus) » Ptinus bimaculatus

Species Ptinus bimaculatus

Classification · Explanation of Names · Size · Identification · Range · Works Cited
051412Beetle1 - Ptinus bimaculatus Ptinus bimaculatus Melsheimer - Ptinus bimaculatus Black and red spider beetle - Ptinus bimaculatus Black and red spider beetle - Ptinus bimaculatus Unknown Beetle - Ptinus bimaculatus unknown - Ptinus bimaculatus Bostrichoidea – Death-watch and Spider Beetles - Ptinidae – Spider Beetles - Ptininae – Ptinini – Ptinus bimaculatus - Ptinus bimaculatus Ptinus bimaculatus - Ptinus bimaculatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Bostrichoidea
Family Ptinidae (Death-watch and Spider Beetles)
Subfamily Ptininae (Spider Beetles)
Tribe Ptinini
Genus Ptinus
No Taxon (subgenus Gynopterus)
Species bimaculatus (Ptinus bimaculatus)
Explanation of Names
Ptinus bimaculatus Melsheimer 1846
Size
2.1–2.5 mm(1)
Identification
Body relatively stout, with shoulders prominent. Color dark, with shoulders and apical part of elytra brown sometimes. Each elytron with two transverse bands of white hairs, the anterior one undulate (diagnostic).

Det. E. G. Riley, 2010
Range
e. US (NY-FL to WI-KS-TX) - Map (1)(2)
Works Cited
1.Death-watch and spider beetles of Wisconsin—Coleoptera: Ptinidae
Arango, R.A. and D.K. Young. 2012. General Technical Report FPL-GTR-209. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.
2.Global Biodiversity Information Facility (GBIF)
Contributed by Boris Büche on 16 May, 2007 - 6:13am
Additional contributions by Mike Quinn, v belov
Last updated 4 August, 2022 - 5:34pm

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