T. D. A. COCKERELL. 211 



Euryglossa pavonura sp. nov. 



9 . Length about 10 mm. ; head and thorax black, but the front 

 greenish, the vertex bluish, and the metathorax distinctly metallic ; 

 clypeus shining, with sparse shallow punctures ; front with strong 

 well-separated punctures ; the linear facial foveae reaching downwards 

 to level of antennse ; mandibles dark ; middle of flagellum marked 

 with yellowish beneath ; mesothorax shining, with strong punctures, 

 widely separated on disc ; area of metathorax shining ; tubercles 

 densely fringed with white hair ; pleura bluish : tegulae piceous ; wings 

 hyaline, nervures fuscous, the outer ones pallid; stigma unusually 

 small ; venation normal, first r. n. entering second s. m. a consider- 

 able distance from base ; legs black, with pale hair, hind spur den- 

 tate ; abdomen above brilliant peacock-green, with varying shades, 

 bluer and yellower ; fifth segment fringed with fuscous hair ; venter 

 much darker. 



A very distinct and beautiful species. 



Hab. — Cooktown, Australia, April, 1902, two females 

 (Turner). British Museum. 



The following table will be useful for the separation of a 

 number of species of Etcryglossa. 



Extremely small (about 3| mm. long) ; face of female with a large 

 light spot; lower side of first s. m. straight; first r. n. 

 entering s. m. ; second s. m. small (subgenus Euryglossina 

 nov.) semipurpurea Ckll. 



Not thus minute; first r. n. not entering first s. m 1. 



1. Mesothorax black, striped with yellow 2. 



Mesothorax not striped 3. 



2. First r. n. joining first t. c perditiforinis Ckll. 



First r. n. joining second s. m. a considerable distance from base. 



calliopsella Ckll. 



3 . Mesothorax red 4 . 



Mesothorax dark 6 . 



4. Abdomen dark epliippiata Smith. 



Abdomen red 5. 



5. Fifth abdominal segment black leptosperiui Ckll. 



Fifth abdominal segment red freiicllii Ckll. 



6. Clypeus yellow ; first r. n. meeting first t. c. 



sinapipes Ckll. (male). 

 Clypeus dark 7 . 



7. Males 8. 



Females 10 . 



8. Flagellum bright ferruginous ; hind margins of abdominal seg- 



ments broadly subhyaline chrysoceras Ckll. 



Flagellum dark, at most obscurely reddish beneath 9. 



TRANS. AM. ENT. SOC, XXXVI. AUGUST, 1910. 



