9 6 



I. AHMAD 



?. Very similar to $ in general appearance and measurements ; posterior margin of seventh 

 abdominal sternum emarginate, very slightly convex in middle (Text-fig. 315). 



$ genitalia : First gonocoxae elongated, about three times as long as broad, apices pointed 

 (Text-fig. 239) ; six pairs of intervalvular sacs (Text-fig. 320) ; spermatheca thick in middle 

 with a median flange, round and coiled tube (Text-fig. 225). 



Type material. Holotype <$ of Gerris oratorius Fabricius, Sumatra : (Daldorff), 

 with label " Mus. de Johestedt ", " Gerris oratorius Fabricius, s. : G. varicornis 

 Fabr. " " Teste Stal ", Zool. Mus. Copenhagen ; cotype $ of G. angustata Fabricius 

 1787, without data, Zool. Mus. Copenhagen ; holotype $ of Leptocorisa bengalensis 

 Westwood, 1842, India : Bengal, Hope Dept., Univ. Mus., Oxford ; holotype $, 



At2 



-Ivs 



0-25 mm. 



Figs. 318-320. Leptocorisa oratorius, <j>. 318, ovipositor, with 9th paratergite, ventral 



view ; 320, same, dorsal view. 



