FIGURES 1–20 in A Revision of Perdita (Xerophasma) Timberlake (Hymenoptera: Andrenidae)

FIGURES 1–20. Female heads (1–5), dorsal (6–10) and lateral (11–15) views of male genitalia, and male sternum 8 (16–20) of Perdita (Xerophasma). Perdita celadona (1, 6, 11, 16), P. pallida (2, 7, 12, 17), P. vespertina (3, 8, 13, 18), P. bequaertiana (4, 9, 14, 19), P. rhondae (5, 10, 15, 20). Shaded areas indicate dark markings on female heads.