Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Mezium affine - Shiny Spider Beetle

Northern Spider Beetle - Mezium affine Northern Spider Beetle - Mezium affine beetle? that looks like a tiny eggplant - Mezium affine Shiny Spider Beetle - Mezium affine Shiny Spider Beetle - Mezium affine Shiny Spider Beetle - Mezium affine Mezium affine Mezium affine
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Bostrichoidea (Carpet, Powder-post and Death-watch Beetles)
Family Ptinidae (Death-watch and Spider Beetles)
Subfamily Ptininae (Spider Beetles)
Tribe Meziini
Genus Mezium
Species affine (Shiny Spider Beetle)
Other Common Names
Northern spider beetle
Explanation of Names
Mezium affine Boieldieu 1856
2.5–3.4 mm (1)
see here and(2)
mostly nothern and southern latitudes. In Canada, NS to SK; BC - Map (2)(3)
As in M. americanum
earliest record in our area: ne. US 1904(4)
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.Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
3.Global Biodiversity Information Facility (GBIF)
4.The Derodontidae, Dermestidae, Bostrichidae, and Anobiidae of the Maritime Provinces of Canada (Coleoptera: Bostrichiformia)
C.J. Majka. 2007. Zootaxa 1573: 1–38.