Darditilla, Casal, 1965

Lopez, Vinicius M., Guillermo-Ferreira, Rhainer, Trad, Bhrenno M. & Silvestre, Rogerio, 2018, Description of the male of Darditilla araxa (Cresson, 1902) (Hymenoptera, Mutillidae) with geographical distribution, biological notes and key to males of Brazil, Zootaxa 4532 (1), pp. 104-112 : 107-108

Key to Darditilla males known from Brazil

1 Medial clypeal lobe narrower than space between antennal tubercles, entire, often obscured by punctures or setae; T2–5 fringes usually with bristle rows.................................................................................2

- Medial clypeal lobe broader than space between antennal tubercles, medially depressed, laterally smooth and shelf-like; T2–4 fringes with bristle rows, T5 setae usually simple, dark (see figure 1E in Luz & Williams, 2014)...................... 4

2 Clypeus mostly punctate with short transverse carina......................................................... 3

- Clypeus with broadly lamellar ventral margin, mostly smooth and hyaline (see fig. 7D in Luz & Williams, 2014) - Atlantic Rainforest in Brazil and Paraguay -.................................................... D. felina (Burmeister)

3 Tegula truncated in lateral view, with flat posterior face (see figure 3B in Luz & Williams, 2014); penis valve with widely separated teeth (see figure 15 in Luz & Williams, 2014) - Atlantic Rainforest in Brazil and Argentina -..................................................................................................... D. bejaronoi Casal

- Tegula convex and not truncated (see figure 5B in Luz & Williams, 2014); penis valve with coalescent teeth (see figure 19 in Luz & Williams, 2014) - Forests and grasslands in Brazil, Argentina, Paraguay and Uruguay - ...................................................................................................... D. debilis (Gerstaecker)

4 Transverse clypeus and with subapical brush of golden setae (see fig. 1D in Luz & Williams, 2014) - Argentina, Uruguay and Rio Grande do Sul, mainly in grasslands -............................................ D. amabilis (Gerstaecker)

- Clypeus slightly triangular, with scopa densely covered by white bristles ( Fig.4 ) (CAUTION: bristles may be broken) - Brazil and Paraguay, mainly in Cerrado ......................................................... D. araxa (Cresson)

Figures

FIGURES 1–6. Darditilla araxa, male: 1. Habitus, dorsal view; 2. Habitus, lateral view; 3. Head, dorsal view; 4. Head, anterior view; 5. Metasoma, dorsal view; 6. Pygidium, T5 and T6 in dorsal view. Scale bars: 1 mm.