STUDIES IN THE FOSSORIAL AVASPS. 717 



Elis (Mesa) rotiineyi Cam. 



Myzi7ie rothneyi Cam. Ann. & Mag. Nat. Hist. (7) x. p. 88 

 (1902),?. 



$ . This fine species is easily distinguished, being black with 

 ferruginous legs ; the wings f usco-hyaline, flushed with purple. 

 The sixth dorsal segment is coarsely punctured, the punctures 

 tending to become confluent longitudinally towards the a,pex. 

 Head and thorax very coarsely punctured, rugose on the 

 pronotum. 



Hah. Khasi Hills, Assam. 



Elis (Mesa) fuscipennis Sm. 



Myzine fuscipennis Sm. Cat. Hym. B. M. iii. p. 72 (1855), $ ; 

 Bingh. Fauna Brit. India, Hymen, i. p. 67 (1897), $ . 



2 . This species may be distinguished from the female of 

 petiolata Sm., which it closely resembles, by the sharply margined 

 median segment, the posterior slope of which is a,brupt and steep, 

 not gradual as in petiolata. The colour is black ; the calcai-ia 

 whitish, mandibles fusco-ferruginons, wings fuscous. The spines 

 on the outer margin of the hind tibise are black in fuscipennis, 

 whitish in petiolata. 



Length 12 mm. 



Ilab. India. 



The type is unique in the British Museum collection and was 

 obtained from Shuckard in exchange, so that the locality is 

 uncertain. Bingham's description is taken from the type, but 

 he evidently confused the species with ^;e//i:'cZrtto, a specimen of 

 which is labelled ftiscipennis by him in the British Museum 

 collection. I have not seen the specimens he records from 

 Burma, but consider it very doubtful if they belong to this 

 species. 



Elis (Mesa) petiolata Sm. 



Myzine petiolata Sm. Cat. Hym. B. M. iii. p. 72 (1855), J. 



Myzine ceylonica Cam. Ann. & Mag. Nat. Hist. (7) v. p. 18 

 (1900), ?. 



riesia {Mesa) petiolata Turn. Ann. & Mag. Nat. Hist. (8) i. 

 p. 512 (1908), d $ . 



5 . Differs from fuscipeomis Sm. in the absence of a distinct 

 margin separating the dorsal surface of the median segment 

 from the surface of the posterior slope and in the white spines of 

 the hind tibiae. From claripennis Bingh. it differs in the fuscous 

 colour of the wings, the somewhat coarser punctumtion, and the 

 lesser length of the second abscissa of the radius, which is only 

 about half as long as the third in petiolata and almost or quite as 

 long as the third in claripennis. In fi(,sci2Jennis the second 

 abscissa of the radius is shorter than in petiolata, being distinctly 

 less than half as long as the third. 



