Key to species of Psomizopelma Gibson

1 Female.............................................................................................. 2

- Male................................................................................................ 6

2(1) Macropterous, fore wing normal in shape and extending to near apex of gaster (Figs 44, 45); gaster with all but apical two tergites shiny and smooth or only obscurely coriaceous (Fig. 53)........................ Psomizopelma macropterum n. sp.

- Brachypterous, fore wing elongate-slender and extending at most only to about mid-length of gaster (Figs 1, 17, 32, 54); gaster dorsally dull and strongly sculptured, reticulate to reticulate-rugose (Figs 8, 24, 39, 62).............................. 3

3(2) Clava with about apical half pale (Figs 1, 2, 4); fore wing conspicuously elongate-slender, extending at least to about apex of Gt2 (Fig. 8); head, mesosoma and metasoma extensively orangish (Figs 1–8); head with parascrobal region sublinear between torulus and inner orbit (Figs 3, 4)................................................. Psomizopelma albiclava n. sp.

- Clava entirely dark (Figs 17, 36, 59); fore wing extending only to about base of gaster (Figs 24, 38, 54); head, mesosoma and metasoma mostly dark brown (Figs 17, 32) or dark with metallic lusters (Fig. 54); head with parascrobal region between toru- lus and inner orbit at least about half as wide as intertorular distance (Figs 20, 35, 57)............................... 4 4(3) Gaster with only Gt1 and Gt2 white laterally (Fig. 33); head virtually entirely dark brown with clypeus only inconspicuously paler (Fig. 35); ovipositor sheaths brown (Fig. 33)...................................... Psomizopelma fuscum n. sp.

- Gaster with Gt1–Gt3 white laterally (Figs 24, 62); head with lower face obviously paler, more yellowish than upper face (Figs 20, 57) and sometimes with distinct metallic luster (Fig. 56); ovipositor sheaths yellowish............................ 5

5(4) Head and mesosoma dorsally and sometimes gaster dorsally with distinct metallic green to blue or purple lusters (Figs 54–56, 61, 62); acropleuron meshlike coriaceous over at least posterior half (Fig. 58)............. Psomizopelma metallicum n. sp.

- Head, mesosoma and gaster dorsally dark brown (Figs 17–24); acropleuron entirely reticulate (Figs 21, 22)...................................................................................... Psomizopelma brachypterum Gibson

6(1) Body essentially uniformly brown (Figs 25, 26) except often for white basal two pro- and/or mesotarsomeres (Fig. 26); flagellum robust-filiform with at least more apical funiculars quadrate (Fig. 28); propodeum bare mesal to spiracles (Fig. 31)............................................................................ Psomizopelma brachypterum Gibson

- Body with following pale: scape extensively (Figs 11, 12), pronotum at least laterally (Figs 13, 14), variably distinct spot on mesoscutal lateral lobe (Fig. 13), pro- and mesotibiae, and dorsal margin of metatibia (Figs 9, 10); flagellum more gracile-filiform with all funiculars obviously longer than wide (Fig. 12); propodeum on either side of median carina with 2 setae about midway between spiracle and foramen (Fig. 16)..................................... Psomizopelma albiclava n. sp.