Identification
Apical segment of antennae bright orange, and remaining segments dark gray to black; flange on hind tibia parallel-sided and extending the length of tibia; humeral angles relatively small (NOT greatly expanded as in
A. declivis); this combination of 3 characters is diagnostic.
Males have greatly swollen hind femora bearing at least one large spike; females have slender hind femora bearing several small spikes.
Range
Texas, Arizona, California
Food
Feeds on juice of the Agave plant, according to
this site. Also feeds on legumes
(1).
Remarks
Does not occur in eastern North America.
See Also
A. declivis is similar but has
huge humeral angles;
A. femorata has entirely pale reddish antennae - not black with an orange tip;
A. confraterna and
A. terminalis have a wavy and tapered flange on the hind tibia - not parallel-sided along the length of the tibia.
Print References
Olson, #30--color photograph
(1)Internet References
live adult male and nymph images plus common name reference (Peter Clausen, Arizona)
live adult female image (Natural History Museum of Los Angeles County)