THE SIMPSONI GROUP
DIAGNOSIS. (1) Maxillary palpus with white scales; (2) scutum with dorsocentral setae; (3) scutum with a distinct patch of broader crescentshaped white scales on fossal area; (4) scutum with a pair of submedian stripes; (5) prescutellar area without all broad, flat, metallic silvery white scales; (6) subspiracular area with broad white scales; (7) postspiracular area without scales; (8) paratergite with broad white scales; (9) white kneespot absent on forefemur, present on mid and hindfemora; (10) midfemur with a large, white spot on anterior surface; (11) hindtibia anteriorly dark, without or with a white stripe in basal area; (12) hindtarsus with a basal white band at least on tarsomeres 1 3; and (13) hindtarsomere 4 with a basal white band to all white, or all dark.