Numbers
25 species in our area*
(1); a huge number worldwide (most in need of reconfirmation concerning generic placement)
[*: + angulata LeConte, 1878; brevistylis Liljeblad, 1922; capillosa Liljeblad, 1945; cinereoatra Liljeblad, 1945; deserta Casey, 1885;
fuscocinerea Fall, 1907; invisitata Liljeblad, 1945; latemaculata Ray, 1944; longipalpis Ray, 1946; novemnotata Ray, 1944;
pretiosa Champion, 1891; schwarzi Liljeblad, 1945]
Identification
Antennae strongly sawtoothed to clubbed. Each hind tibia has tubercles, but not ridges, on its outer surface, near the tip. Usually black but some have a pattern of light colored hairs on their elytra.