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Mezium
Mezium americanum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Family:	Ptinidae
Subfamily:	Ptininae
Tribe:	Meziini
Genus:	Mezium Curtis, 1828
Species
See text

Mezium is a genus of beetles in the subfamily Ptininae, the spider beetles. It is distributed throughout most of the world. There are two centers of distribution: an area extending from the Iberian Peninsula to Morocco, including the Canary Islands; and an area extending through central and southern Africa. Several species are recently described African endemics. They are most common in coastal areas, and in regions with a Mediterranean climate.

Their most common natural habitat type is caves, where they feed on animal feces, especially bat guano. They are adaptable to human-made structures such as barns and chicken coops.

Species include:

• Mezium affine – shiny spider beetle
• Mezium africanum
• Mezium americanum – American spider beetle, black spider beetle
• Mezium andreaei
• Mezium giganteum
• Mezium glabrum
• Mezium gracilicorne
• Mezium horridum
• Mezium namibiensis
• Mezium pseudafricanum
• Mezium pseudamericanum
• Mezium setosum
• Mezium sulcatum

References

1. ^ Borowski, J. (2009). The spider beetles of the continental Africa (Coleoptera: Ptinidae). Part I – Genus Mezium Curtis. Archived 2013-10-04 at the Wayback Machine Studies and Reports of District Museum Pargue-East, Taxonomical Series 5, 1-10.
2. Mezium. Fauna Europaea.

• [REDACTED] Media related to Mezium at Wikimedia Commons
• [REDACTED] Data related to Mezium at Wikispecies

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