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Species Orthostethus infuscatus

Click Beetle in need of a bath - underside detail - Orthostethus infuscatus BG2218 E4298 - Orthostethus infuscatus BG2218 E4298 - Orthostethus infuscatus BG2218 E4298 - Orthostethus infuscatus Click Beetle - Orthostethus infuscatus Click Beetle - Orthostethus infuscatus click beetle of some kind? - Orthostethus infuscatus 09-TN  Large Click Beetle - Orthostethus infuscatus - 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 Elateriformia)
Superfamily Elateroidea (Click, Firefly and Soldier Beetles)
Family Elateridae (Click Beetles)
Subfamily Elaterinae
Tribe Elaterini
Genus Orthostethus
Species infuscatus (Orthostethus infuscatus)
Synonyms and other taxonomic changes
Orthostethus infuscatus (Germar)
Orig. Comb: Aphanobius infuscatus Germar 1844
Explanation of Names
fuscatus - Latin for dusky
28-35 mm (1)
Characteristics (1):
large, elongated, body narrowing towards rear
dark reddish to brownish
abundant brownish-yellow setae that lie close to body
antennomere 2 less than 1/2 length of 3, latter shorter, much narrower than 4
pronotum longer than wide, sides parallel on basal 2/3, rounded towards front, rear corners long, sharp, ridged
elytra more finely and densely punctate than pronotum

Most important character in keying from similar species (1):
"sides of the mesosternal cavity are protruding and suddenly declivous anteriorly" as opposed to being either parallel and horizontal or divergent and gradually declivous.
TX-FL-MD-IL / C. to S. Amer. (2), (BG data)
Apr-Sept (mostly) (BG data)
Works Cited
1.The Beetles of Northeastern North America, Vol. 1 and 2.
Downie, N.M., and R.H. Arnett. 1996. The Sandhill Crane Press, Gainesville, FL.
2. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.