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Photo#1080273
Brachinus geniculatus

Brachinus geniculatus
San Antonio, Bexar County, Texas, USA
April 19, 2015
Size: 9mm
Found running on walkway at night outside a relative's home. The yard is small stones covered with thick live oak litter.

Keyed out using Erwin's manuscript, easily arrived at B. geniculatus. The pronotum is glabrous. which separates it from others in the tex*anus group.