50 Embrik Strand: 



15 (14) Metathorax, mesopleurae, basal segment of abdomen and 



the bind femora not black. [ct. ,,21"! (Strd.)] 



16 (17) Tbe 2nd and foUowing segments of abdomen black, tbe 



mesonotum with 3 black marks, the bind tibiae black. 



hazilanensis. 



17 (16) Only the apical segments of the abdomen black. 



18 (19) Mesonotum entirely black, the bind tibiae luteous. 



Javanicola. 



19 (20) Mesonotum only maculate with black, the bind tibiae for 



the greater part black. kuehnii. 



20 (19) Mesonotum immaculate. 



21 (22) Abdomen entirely and the bind legs black [cf. ,,15" 



(Strd.)], the head not maculate with black. cnemophilus. 



22 (23 The 4th and foUowing abdominal segments black, only 



the bind tarsi black, the head above largely black. 



zaraces. 



23 (13) Abdomen not maculate with black. 



24 (25) Mesonotum with 3 large black marks, the area on base 



of 2nd abdominal segment large, clearly defined. clavi- 



maculatus. 



25 (24) Mesonotum immaculate, the area on base of 2nd ab- 



dominal segment small. 



26 (31) Head luteous. 



27 (28) Ocelli in a black spot, the ovipositor as long as the body. 



schönhergii. 



28 (27) Ocelli not in a black spot, the ovipositor not longer than 



the abdomen. 



29 (30) Base of stigma broadly luteous, Ist cubital cellule for 



the great-T part hyaline, the keel on 2nd abdominal 

 segment widened at base, the segment distinctly 

 reticulated. colsmannii. 



30 (29) Base of stigma not luteous, Ist cubital cellule not 



hyaline, the keel on 2nd abdominal segment not widened 

 at the base, the segment longitudinally striated. gra- 



howshyi. 



31 (26) Head black. 



32 (33) Abdomen smooth and shining. levissimus. 



33 (32) Abdomen closely striated, opaque. 



34 (35) Eyes very large, the face narrowed, malar space very 



small. megalophthalmus. 



35 (34) Eyes and malar space normal, the face wide. 



36 (37) Occiput and temples luteous. obiensia. 



37 (36) Occiput and temples black. 



38 (41) Hind tarsi black. 



39 (40) The extreme base of hind tarsi luteous, the 3rd ab- 



dominal segment striated to near the apex, which has 

 no transverse furrow. trichionotuß. 



