Oxygasti'a. 149 



patch ; anal appendages moderate, upper pair pilose and 

 incurved, lower pair shorter, emarginate ; legs black ; 

 wings hyaline. Female of a brighter green, the abdomen 

 compressed and carinated, the dorsal streak broader, 

 and the margins of the third, fourth, and fifth segments 

 luteous ; wings flavescent, with a black stigma (Stephens' 

 " Illustrations of British l^ntomology, Mandibulata," 

 vol. \i., p. 90, June 13, 1836.; 



- \ 1 

 %. J 





Fig. 31. — Anal AppKXDAdKs of Mai.k of 0.\vgasik\ c irtisii. 



(Magnified.) 

 a.. Dorsal %'iL\v. b., Lateral view. 



Size. 



Length of Male, 53mm. ; expanse of wings, 71mm. 

 Length of Female, 50mm. ; expanse of wings, 74mm. 



Male Imago. 



Face metallic green, with one \-ellow transverse streak; 

 lower lip orange. T/iorn.y metallic green, very hairy, 

 prominences at base of, and between, wings brownish- 

 orange. Legs black. Wings h}-aline. Accessory 

 uiembmne white. Ptcrostigma small, almost black, 

 2mm. long. Abdoincu c)-lindrical, slightl}' swollen at 



