484 



slender terminal segments long, aristiform; postclypeus black, ante- 

 cl3'peus, exposed portions of the mandibles, and genae brown or green- 

 ish yellow, the front, vertex, and all of the occiput and postgenae, 

 metallic green ; eyes dark brown. 



Thorax metallic green and buff; pronotum metallic green, some- 

 times pollinose, the caudal and cephalic lobes becoming black with age ; 

 proepimeron and proepisternum distinct, black and green; mesostigmal 

 plates black ; dorsal carina brown, the mesosupraepisterna metallic 

 green; mesopleural suture brownish, the dorsal half of the mesinfra- 

 episterna, black ; mesepimera black or green, the dark color sometimes 

 extending ventrad onto the metepisterna or epimera ; remainder of the 

 metapleura and the intersternum yellow, pollinose with age ; legs 

 striped, dark brown and buff ; coxae buff and dark brown ; middle and 

 hind femora with two broad, dorsal, brown or black stripes and a 

 narrow, dorsal, pale one, the apices of the femora dark; front femora 

 without the dorsal, pale, longitudinal line, the entire dorsum being dark 

 brown; tibiae with broad, ventral, brown stripes including the setal 

 rows, the tips dark ; tarsi dark brown, the claws deeply notched at the 

 apex, the two teeth nearly equal in length ; wings usually flavescent and 

 with fourteen or fifteen postnodal cross-veins in the front wing and 

 twelve to fifteen in the hind; M2 arising between the third and fourth 

 postnodals in the front wing and between the second and third in the 

 hind; stigma long and narrow, surmounting two and one-half to three 

 and one-half cells in both wings. 



Abdomen metallic green and black and buff ; dorsum of terga 1-8 

 inclusive, green, the lateral margins of the same terga buff, the buff 

 stripe becoming dark brown or black on the apices of 4-8 ; venter of 

 3-8, and all of segments nine and ten and sometimes seven and eight 

 black, the terminal segments pollinose with age ; anal appendages black, 

 the superiors long and curved, the dorso-lateral margins coarsely tuber- 

 culate at the apices, the meso-ventral margins with a single sharp basal 

 tooth, and a median projection which has several smaller teeth at the 

 apex ; inferiors blunt at the apices and each with a brush of fine setae. 



Female. — Color, metallic green, and yellow and black. 



Head similar to that of the male. 



Thorax : prothorax similar to that of the male ; mesothorax with a 

 very broad brownish Stripe covering the dorsal carina and a green 

 longitudinal stripe in the middle of each mesosupraepisternum ; meso- 

 pleural suture with a broad brownish stripe which extends across the 

 dorsal portion of the inf raepisternum ; metepimera with indefinite, 

 brown, oblique stripes. 



