Key to Neotropical species of Apleurotropis

1. Petiole with dorsal part white (Fig. 33) ........................................................................................................................ 2

- Petiole with dorsal part dark and usually metallic (Fig. 32)......................................................................................... 4

2. Female ........................................................................................................................................... A. albicaulis sp. nov.

- Male .............................................................................................................................................................................. 3

3. Scape white; setae on flagellomeres short and more dense (Fig. 39) .......................................... A. albiscapus sp. nov.

- Scape yellowish-brown; setae on flagellomeres long and more sparse (Fig. 37) ......................... A. albicaulis sp. nov.

4. Hind coxa white to yellowish-brown............................................................................................................................ 5

- Hind coxa dark and metallic ......................................................................................................................................... 6

5. Costal cell with ventral surface bare or with setae only in basal ½ (Fig. 34); median carina on propodeum narrow throughout (Fig. 16) .................................................................................................. A. anemia sp. nov. (female, male)

- Costal cell with ventral surface with a complete row of setae (as in Fig. 35); median carina on propodeum with ante- rior part wide, posterior part narrow (Fig. 11) .............................................................. A. albiscapus sp. nov. (female)

6. Female petiole with dorsal surface smooth and shiny, without carinae (Fig. 21). Both sexes: dorsellum without two large foveae anteriorly (Fig. 21); scape predominantly dark brown, pale only at base .................................................. ...................................................................................................................................... A. assis sp. nov. (female, male)

– Female petiole with a median carina (Fig. 30) or with irregular carinae (Fig. 26). Both sexes: dorsellum with two large foveae anteriorly (Figs 26, 30); scape yellowish-brown to pale brown............................................................... 7

7. Female eyes small (Figs 22, 24), width of head/width of frons at level of anterior ocellus = 2.1 ................................. ................................................................................................................................... A. ficaria sp. nov. (female, male)

– Female eyes large (Figs 27, 28), width of head/width of frons at level of anterior ocellus = 2.6 .................................. ...................................................................................................................... A. strix sp. nov. (female, male unknown)