92 scolitdjE. 



Males. 



a. Clypeus entirely yellow. 



a'. Basal segment constricted E. cet/lomca, p. 94. 



//. Basal segment not constricted £. iris, p. 94. 



b. Clypeus yellow, the centre black. 



a'. Posterior margins of segments 1-4 with 

 transverse yellow bands. 



a^. Length 13-22 mm U. annulata, p. 9G. 



b'-. Length 9 mm E. hirsuta, p. 98. 



b'. Posterior margin of segments 1-5 with 

 transverse yellow bands. 

 d^. Scutellum with yellow markings .... E. (jrossa, p. 97. 



6^. Scutellum wholly black E. prismatica, p. 98. 



c'. Posterior margins of abdominal segments 



without yellow markings E. thoracica, p. 99. 



c. Base of clypeus black, anterior half yelloAv . E. lindenii, p. 9(5. 



d. Clypeus entirely black. 



a' . Abdomen black, s(^gments 2 and 3 with 



lateral yellow spots E. luctuosa, p. 95. 



b' . Abdomen black, segments 1-4 with their 

 margins white or yellow. 



a". Wings fusco-hyaline E. asiatica, p. 100. 



b'^. Wings deep ferruginous . E. cyanea*, p. 100. 



c'. Abdomen entirely black E. reticulata *, p. 100. 



193. Elis tristis, Sams. Stettin ent. Zeit. 1859, p. 265 ; Sauss. .§• Sich. 

 Cat. Scol. p. 193, § ; Ckmi. Mejn. Munch. L. Ph. Soc. (4) v, 1892, 

 p. 110. 



$ . Head above smooth, almost impunctate ; sides and base of 

 the clypeus and the space above the antennae closely punctured 

 and pubescent ; an inter-antennal carina at right angles to a waved 

 transverse one crossing the front about the level of the emargi- 

 natiou of the eyes ; thorax above coarsely and closely punctured ; 

 disc of the mesonotum and the pleurse smooth and shining ; 

 median segment finely punctured, concavo-truncate posteriorly ; 

 abdomen long, sparsely punctured, the punctures very shallow and 

 ill-defined. Intensely black, with black pubescence ; segments 

 1-3 of the abdomen fringed, narrowly in the middle, broad- 

 ening at the sides, with snow-white hairs ; wings dark fuscous, 

 with a blue and purple effulgence, nervures piceous, tegulte shining 

 black. 



Hah. " India orientali " (Sanss.) ; Mergui, Tenasserim ; Pulo 

 Penang ; Singapore ; Java. $ . Loigth 29-38 ; e;,r^j, 41-48 mm. 

 d unknown. 



194. Elis erigone, n. sp. 



2 Head, the vertex, and cheeks smooth ; the front above the 

 base uf the antennae and the base of the clj^peus pubescent, 

 the former somewhat coarsely punctured ; the apical half of the 



* Of E. cyanea and E, reticulata only the males are known. 



