ELTS. 



91 



Black with black pubescence ; wings dark fuscous with a brilliant 

 purple effulgence ; the pubescence at the back of the head greyish. 

 Hah. Ceylon. $ . Length 17 ; exp. 30 mm. 



Subgen. Dielis : iviili 2 cubital cells and 2 recurrent nervures. 



Kei/ to the Species. 



A. 5 known, S unknown. 



a. Abdomen wholly black. 



a'. Wings flavo-hyaline E. habrocoma, p. 97. 



1) . Wings dark fuscous. 



d'. Head and thorax with white or fulvous 



pubescence ; abdomen with black . . E.Jimbriata, p. 99. 

 h^. Head and thorax with black pubes- 

 cence ; abdomen with black, segments 

 1-.3 fimbriated with white E. tristis, p. 92. 



b. Abdomen red or black, with reddish or 



yellow markings. 



a' . Abdomen wholly castaneous red E. erigone, p. 92. 



b'. Abdomen black, the 2nd segment with 



lateral yellow marks ; 3rd and following [p. 93. 



segments fuscous red E. rubromaeuhita, 



c'. Abdomen black, segments 1-3 with 

 lateral yellow maculie. 



a". Thorax whoUy black E. hella, p. 93. 



h-. Thorax black with yellow markings. . E. eximia^ p. 94. 



B. $ and J both known. 



Females. 



a. Abdomen with uninterrupted transverse 



yellow bands above. Wings flavo- or 



fulvo-hyaline, with a subapical fuscous 



spot on the fore wing. 



«'. Antennre; black E. iris, p. 94. 



V . Antenna; fulvous red E. ceyh7iica , p. 94. 



b. Abdomen with lateral yellow spots or broad 



medially-interrupted bands E. hictuosa, p. 95. 



c. Abdomen wholly black. 



a'. Wings clear hyaline, with a subapical 

 fuscous spot in the fore wing; occiput 



finely and closely punctured E. annulata, p. 90. 



h' . Wings flavo-hyaiine, with a subapical 

 fuscous spot in the fore wing ; occiput 



smooth, impunctate E. lindenii, p. 96. 



c. Wings flavo-hyaline, without a subapical 

 spot in fore wing. 



a'-. Length 25-30 mm E. r/rnssn, p. 97. 



h^. Length 20-22 mm E. jn-ixvutticn, p. 98. 



c^. Ijcngth 8 mm E. hirsuta, p. 98. 



d'. Wings fuscous. 



d^. Basal four abdominal segments ciliated 



with black hairs E. thoracica, p. 99. 



b^. Basal four abdominal segments ciliated 



witli cinereous hairs E. asiatica, p. ICO. 



c^. Basal four abdominal segments ciliated [p. 96. 



with fulvous golden hairs E. lindenii (var.), 



