the genus Odynerus occurring in the Ethiopian Region. 495 



81. (70) Sides of median segment without any carinae, suboblique. 



82. (85) Abdomen black with ajiical fasciae ferruginous or yellow. 



83. (84) Apical fasciae ferruginous, postsculellum black. 



ncfmltzeanus, Schulthess. 



84. (83) Apical fasciae yellow ; postscutcllum with yellow marks. 



vaalensis, Cam. 



85. (82) Abdomen entirely brick red, thorax obscurely ferruginous. 



deceptor, sp. n. 

 8G. (09) Postscutcllum with the hind margin curved, sides of 

 median segment without any distinct carinae, rounded 

 or produced to form lateral tubercles. 



87. (ill) Abdominal segments 1 and 2 without conspicuous lateral 



spots; general facies black, with yellow abdominal 

 fasciae, or black and ferruginous or wholly black. 



88. (96) Sides oi median segment rounded. 



89. (90) Wholly black; mandibles, clypcus, antennae and legs 



ferruginous (group of O. floricola). cnemophilus. Cam. 



90. (89) Partly black; with apical margins of tergites yellow, legs 



ferruginous. 



91. (92) Clypeuswith two longitudinal carinae, pronotum anteriorly, 



scutcllum laterally and postscutcllum, yellow ; tegulae 

 ferruginous kilimandjaroensis. Cam. 



92. (91) Clypeus without any carinae, longitudinally striate. 



93. (94) Larger, 8-10 mm. (to apex tergite 2). 



hoUentottus, Sauss. (= erythrospilus, Cam.). 



94. (93) Smaller, 6-7 mm. (to apex tergite 2). 



95. (96) Minutely punctured, clypeus (?) black, yellow basally and 



longitudinally striate; tergite 2 with an indistinct 

 longitudinal carina, apical fascia on tergite 1 linear. 



capicola, sp. n. 



96. (88) Sides of median segment subcarinate or with blunt teeth. 



97. (110) Not wholly black. 



98. (103) Abdomen impunctate. 



99. (100) Abdomen unicolorous fuscoferruginous, without any pale 



markings; wings golden hyaline, apically infuscate. 



taleralis, Fab., var. unicolor, Schulthess. 



100. (99) Abdomen not unicolorous. 



101. (102) Abdomen with a broad longitudinal yellow line on each 



side along the whole length . . . lateralis, Fab. 



102. (101) Tergite 1 at least with a pale apical fascia. 



lugubris, sp. n. 



103. (98) Abdomen more or less punctured, the tergites with at 



least the apical areae punctured. 



104. (107) Abdomen wholly punctured; postscutellum yellow. 



