About Agapostemon texanus Cresson, 1872
Agapostemon texanus Cresson, 1872 is a species in the genus Agapostemon. For both males and females of this species, the head and thorax show bright metallic blue or green coloration in different variations. Males can be told apart from females by the black and yellow bands on their metasoma; females have a solid, uniform body color. Females typically reach around 11 millimeters in length, while males measure between 9 and 10 millimeters long. This species has the largest distribution range of any member of the genus Agapostemon. It has been recorded from as far north as southern Canada to as far south as Costa Rica, and it is most commonly found west of the Mississippi River and along the west coast of the United States. Its distribution across the southwestern United States is discontinuous, with gaps in arid regions. A. texanus can survive across a wide range of elevations, with documented occurrences from sea level up to 8,000 feet in California’s Sierra Nevada mountain range.