Micrographs of Basilia ferrisi: female A ventral and B dorsal views: body 1.8–2.0 mm long, tibiae with three rows of setae (circle) C female with: tergal plate II transformed into two elongate lobes with short and long setae or with posterior margin arcuate, dorsal view; male D ventral and E dorsal views F male genital apparatus, lateral view. Abbreviations: ae: aedeagus; gon: gonopods; mga: male genital apparatus; tpI: tergal plate I and tpII: tergal plate II. Circles A, D indicate tibiae with three rows of setae.