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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


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Species Mezium americanum - American Spider Beetle

spider beetles - Mezium americanum Brown/black bug - Mezium americanum Brown/black bug - Mezium americanum
Classification
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 americanum (American Spider Beetle)
Explanation of Names
Mezium americanum (Laporte de Castelnau 1840)
Identification
Adults differ from those of M. affine in having the setal collar at the base of the pronotum deeply interrupted at, and on each side of, the middle(1)
Range
N. & C. America; Australia; probably of African origin (this flightless beetle may not have reached America without human agency)
Habitat
homes, warehouses, stores
Food
dry stored products
Internet References