Numbers
two subgenera, with 3 spp. in our area and ~25 total
(1)Identification
Key to species compiled from
(2)(3).
1 Head large; gena (ventrad eye) wider than width of antennomere 1; mandibles dorsally with surface strigose nearly to base ...2 (subg. Phymatocephalus)
Head normal, gena narrower than antennomere 1; mandibles dorsally strigose only in apical 1/3 .. P. (s. str) rotundicollis
2. Last abdominal segment with 4 apical setae in both sexes; prothorax with straighter sides, hind angles well-marked ......... P. capitata
last abdominal segment with 2 apical setae in both sexes; sides and hind angles of prothorax more rounded..... P. erro
Range
neotropical genus ranging into so. AZ, NM, w. TX
(2)Habitat
hygrophilous; fly to lights in desert areas
(2)