Size
body length 29-35 mm, hindwing 17-19 mm
Identification
Post-ocular spots have an occipital bar between them, but the spots and bar are not usually confluent. Thorax blue in females and immature males, turning purple in older males, with a thin black shoulder stripe. Abdomen blue on segments 1-3, black 4-7, blue 8-10, usually with a black band interrupting the blue at the posterior end of s8. Female similar except with black dorsally on s9-10, an irregular black stripe on s8.
Range
Texas, primarily the Hill Country and Lower Rio Grande Valley, south through Peru and Argentina
Habitat
Running water: streams, rivers, creeks, irrigation canals
Season
Most common during the summer months, but has been found from late March through late December.
Life Cycle
The larvae remains undescribed to science
