Key to the species of Maurillus Smith

Females

1 Head wholly black, as high as wide (Fig. 1a); MID 0.6× TFD; flagellomere1 0.6× UID; and distance from eye top to vertex crest, in profile, about two-fifths of eyeheight (Fig. 1c) …...................................................... M. argenticapitis sp. nov.

2 Head dark ferruginous above ocelli, higher than wide (Fig. 2a); frons very broad, MID 0.7× TFD; flagellomere1 0.5× UID; and distance fromeye top to vertex crest, in profile, abouttwo-thirdsof eyeheight (Fig. 2c). M. australis Smith