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Genus Siagonium

Rove 3 - Siagonium Staphylinid - Siagonium punctatum Siagonium punctatum male, dorsal - Siagonium punctatum - male Siagonium punctatum male, lateral - Siagonium punctatum - male horned staphylinid - Siagonium piestine rove beetle - Siagonium americanum - male piestine rove beetle - Siagonium americanum - female
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)
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea (Rove, Carrion and Fungus Beetles)
Family Staphylinidae (Rove Beetles)
Subfamily Piestinae (Flat Rove Beetles)
Genus Siagonium
Explanation of Names
Siagonium Kirby & Spence 1815
3 spp. in our area(1), >20 total(2)
Key to NA species(3):
1. Elytra with a single punctate stria near suture............americanum Melsh. [Widespread]
Elytra with 4-5 punctate striae.......................2
2. Pronotum between the punctures either smooth or strigulose.....punctatum LeC. [Widespread]
Pronotum between the punctures alutaceous......................stacesmithi Hatch [Western]
Holarctic & Oriental; widespread in NA(1)(2)(3)
under bark of decaying trees, esp. conifers(1)