498 



Thorax metallic green, prothorax largely black, becoming polli- 

 nose with age ; suture between pronotum and the proepimeron indis- 

 tinct ; caudal lobe of the notum much narrower than the cephalic lobe 

 and considerably widened on the meson; furrow separating the median 

 lobes obscure; cephalic portion of the prescutum small, triangular, and 

 little depressed ; mesosupraepistcrna and mesepimera green, the meso- 

 pleural suture and the dorsal carina with pale lines which become dark 

 with age ; mcsinfraepisternum black, the metapimcra, nictepisterna 

 and intersternum pale at first but black or pollinose with age; legs buff 

 and black; coxae pale and black, femora almost entirely black, with 

 a narrow pale stripe between the setal rows on the ventral surface, and 

 a short stripe on the dorsal surface of the hind femora ; rows of front 

 femoral setae consisting of two and eight setae respectively ; tibiae and 

 tarsi black; wings clear, the antenodal cross-veins two, postnodals fif- 

 teen to seventeen in the front wings and twelve to thirteen in the hind 

 wings; RL arising I)etwcen the fourth and fifth postnodal cross-veins in 

 the front wings and between the third and fourth in the hind wings ; 

 stigma usually surmounting three cells, light brown or nearly white in 

 color. 



Abdomen metallic green and black ; terga i— 6 with narrow lateral 

 stripes, 7-10 black; sterna of all segments black, the first sometimes 

 light, but black in older specimens ; superior anal appendages black, the 

 lateral surfaces tulierculate and the mesal margins with a basal hook 

 and two indentations Iietween this and the apical third; inferiors long 

 and slender, not dilated at the apex (Figs. 129, 130). 

 » Female. — Color, metallic green and black. 



Head and thorax similar to those of the male. 



.■\bdomen long and very slender, the dorsum of terga i-io and 

 apical rings on all terga e.xcept the two caudal ones dull brown or 

 greenish; sterna 2-8 mostly black, ovipositor long and slender, the 

 prostyles long and the eighth sternitcs at the base of the cephalic pair 

 of gonapophyses with a long dorso-caudal projection. 



Mcnxnremrnts 



Lenfrth. S 43^7 mm. 



Length, 9 43^5 mm. 



Length of ahdoinon. S 34—38 mm. 



Length of abdomen. 9 34—36 mm. 



Length of hind wings. S 21-25 mm. 



Length of hind wings, 9 26-27 mm. 



Width of hind wings, S 5 mm. 



Width of hind wings, 9 6 mm. 



