I5Y HOWLAND E. TURNER. 203 



apical margin widely einarginate. Hypopygium rounded and 

 ciliated at the apex. Black; the clypeus, postscutellum and an 

 interrupted line on the anterior margin of the prothorax white; 

 mandibles and anterior tibiae and tarsi fuscous. Wings hyaline 

 iridescent, with a fuscous cloud in the radial cell, nervures fusco- 

 testaceous. Length 7-8 mm. 



2- Head rectangular, rather longer than broad, the front 

 between the antennae deeply and narrowl}^ emarginate ; the 

 mandibles acute at the apex, not bidentate. The whole insect 

 punctured, the punctures large and elongate. The prothorax 

 longer than broad, slightly narrowed anteriorly; the median seg- 

 ment about the same length as the prothorax, .slightly narrowed 

 anteriorly; the median segment about the same length as the 

 prothorax, slightly broadened to the apex, obliquely depressed 

 posteriorly. Abdomen cylindrical, the first segment vertically 

 truncate at the base. Entirely castaneous. Length 5 mm. 



Hab. — Mackay, Q.((J9 in cop.). 



E. FULVICOSTALIS, n.sp. 



(J. Clypeus slightly advanced, punctured, with a small, sub- 

 triangular truncation at the apex, the apical margin transversely 

 truncate. Head and thorax densely and finely punctured, the 

 prothorax not very long, with the anterior margin raised and 

 the sides nearly parallel; the scutellum rounded at the apex, the 

 median segment reticulate, closely punctured at the base, short 

 and depressed. Abdomen short, fusiform, finely punctured; the 

 first segment with a short median sulca from the base; segments 

 2-4 with a raised mark on each side near the apical margin. The 

 hyi)opygium rounded and ciliated at the apex. Black; the 

 mandibles and antennae, except the scape, fulvous; the tibias and 

 tarsi of the anterior legs fuscous. Wings hyaline, faintly fiavo- 

 hyaline at the base, splendidly iridescent, nervures fulvous. 

 Length 7 mm. 



9. The whole insect punctured, the punctures large and more 

 or less elongate. Head rectangular, longer than wide, with a 

 strong median frontal .sulca; wider than the thorax. Prothorax 



