MONOGRAPH OF THE WASPS OF BRITISH INDIA. 



485 



19. Fifth ventral segment with a spine at the apical 

 angles 



20. 



21. 



22. 



23. 



24. 



25. 



26. 



28. 



29. 



Fifth ventral segment without spines . . 

 Petiole slender, more than three times as long 



as broad . . 

 Petiole never more than twice as long as 



broad 

 Median segment strongly punctured 



Median segment finely and sparsely punctured. 

 Clypeus armed with a row of teeth at the apex. 

 Clypeus without teeth 



Petiole longer than broad ; the teeth of the 

 clypeus minute . . 



Petiole broader than long . . 



Apical joints of the flagellum longer than the 



penultimate, and strongly curved, abdomen 



mostly ferruginous 

 Apical joint of the flagellum no longer than 



the penultimate ; abdomen black and yellow, 



rarely ferruginous on the petiole 

 Enclosed area of the median segment shining, 



with a median grove, more or less obscurely 



punctured ; teeth of the clypeus very small. . 



Enclosed area of the median segment smooth 

 and shining, without a median grove ; teeth of 

 the clypeus not very small 



Mesopleurse tuberculate . . 

 MesopleurfB not tuberculate 

 27. Petiole longer than broad 



Petiole broader than long 



Clypeus strongly concave 



Clypeus not concave 



Apical joint of the flagellum longer than the 



penultimate and strongly curved 

 Apical joint of the flagellum no longer than the 



penultimate, less strongly curved 



C. hilaris Sm, 

 {himalayensis 

 Bingh.) 

 C. mellicula Turn, 



21 



22 

 C. basimacula 



Cam. 

 C. le'pcha Cam. 



23 



26 



C. wrougMoni 

 Cam. 

 24 



C. vigilans Sm, 



26 



C. rhynco'phora 

 Turn. 



C. humbertiana 



Sauss. 



27 



28 

 C. bimaculata 



Cam. 

 C. nebulosa Cam 

 C. nursei Turn. 



29 



30 

 33 



