Identification Key to males of Leinendera Carrera, 1945

1. Marginal scutellar macrosetae absent (Figs. 8, 25, 41)........................................................ 2

- Marginal scutellar macrosetae present (Fig. 98)............................................................. 4

2. Postpedicel reddish to dark brown and black (Figs. 38, 60); mesonotum dark brown (Figs. 42, 64); epandrium rounded apically (Figs. 48, 49, 69, 70); hypandrium with proximal and distal margin straight (Figs. 51, 72, 88, 107)..................... 3

- Postpedicel completely yellow (Figs. 5, 21, 22); mesonotum brown (Figs. 9, 26); epandrium triangular apically (Fig. 15); hypandrium with proximal margin rounded and distal margin straight (Figs. 12, 13, 16)........................................... Leinendera achaeta Camargo, Vieira, Köhler & Rafael, 2016 (Brazil: Santa Catarina and Rio Grande do Sul)

3. Postpedicel long, about two times the length of scape and pedicel combined, stylus short, almost 1/6 of postpedicel length (Fig. 38); golden yellow mesonotal stripes straight on the inner margin anteriorly (Fig. 42); epandrium cheliform (Figs. 44–50).................................................................. Leinendera carrerai sp. n. (Brazil: São Paulo)

- Postpedicel short, about the same length of scape and pedicel combined, stylus long, almost half of postpedicel length (Fig. 60); yellowish grey mesonotal stripes with a slight curve on the inner margin anteriorly (Fig. 64); epandrium digitiform (Figs. 65–71)............................................. Leinendera mnrj sp. n. (Brazil: Rio de Janeiro and São Paulo)

4. Lower facial margin with black projection (Figs. 79–82); base of cell r4 narrow (Fig. 84); epandrium with apex backward directed (Figs. 85–87); gonocoxite sub-quadrangular with a projection on the external margin (Fig. 90); subepandrial sclerite with a basal plate (Fig. 92); aedeagus strongly curved upward, and apex straight (Fig. 91).................................................................................... Leinendera nigra Vieira, 2012 (Brazil: Rio de Janeiro)

- Lower facial margin without a black projection (Figs. 94, 95); base of cell r4 slightly narrow (Fig. 96); epandrium with apex inwardly curved (Figs. 102, 104); gonocoxite sub-quadrangular with a median keel backward directed (Fig. 108); subepandrial sclerite simple, without projections (Fig. 109); aedeagus curved upward and apex forming a hook (Fig. 111)............................................ Leinendera rubra Carrera, 1945 (Brazil: Minas Gerais, Rio de Janeiro and São Paulo)