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

Calymmaderus nitidus (LeConte) - Calymmaderus nitidus Calymmaderus nitidus (LeConte) - Calymmaderus nitidus beetle - Calymmaderus punctulatus Death-watch - Calymmaderus Death-watch beetle of sorts... - Calymmaderus Ptinidae Dorcatominae Calymmaderus - Calymmaderus Beetle - Calymmaderus obsoletus Cryptorama? - Calymmaderus
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 Dorcatominae
Genus Calymmaderus
Synonyms and other taxonomic changes
Eupactus LeConte, Thaptor Gorham
Explanation of Names
Calymmaderus Solier 1849 [the type species is from Chile]
7 spp. in our area, >50 described species total
The two apical antennal segments linked to form a three-segmented club, functionally 2-segmented, are diagnostic.
primarily neotropical, ranging into so. US (C. nitidus reaches QC); a few spp. in Australia (native) and 2 in Europe (both introduced)
Larvae, insofar known, are wood-borers (a termitophilous sp. is known from C. America)
our only representative of the tribe Calymmaderini White 1982, that contains a total of 4 genera
Print References
Works Cited
1.Keys to neotropical species of Calymmaderus Solier and species of Calytheca White, with taxonomic notes (Coleoptera: Anobiidae)
White, R.E. 1983. Proceedings of the Entomological Society of Washington 85: 229-250.