312 ENTOMOLOGICAL NEWS [July, '13 



in profile view. 9 Abd. segs. 8-10 colored similarly to those 

 of the $ but the blue on the dorsum of 8 often reaching far- 

 ther toward the base and the lateral band on 9 farther poster- 

 iorly. Abd. male 20-23, female 19-22; hind wing, male 13-14, 



female 14-15 mm speciosa 



Thoracic dorsum bronze black not reaching as far laterad as the 

 humeral suture which bears a black line. Three antenodal 

 cells. $ Abd. segs. 8-10 pale blue with a bronze bilobed dor- 

 sal band on 8 and a small median spot on 9; hind margin of 

 10 forming two slightly marked festoons each bearing 5-6 

 blackish teeth ; superior appendages conical, furnished at the 

 base with an internal branch. Abd. 24-25, hind wing 15-15.5 

 mm. 9 unknown. (From de Selys' description.) ..selysii 

 Thoracic dorsum $ bronze black reaching as far laterad as the 

 humeral suture only at its upper sixth, the suture itself black, 

 bordered mesad by a pale stripe one-fourth as wide as the 

 mesepisternum on which it lies and reaching upward to five 

 sixths of the length of the suture ; of 9 metallic green reach- 

 ing laterad beyond the humeral suture which has a fine short 

 yellow line on its upper and one on its lower end. Three ( $ ) 

 or two ( 9 ) antenodal cells. $ Abd. segs. 8 and 9 dark 

 metallic blue, each with a narrow transverse pale line at base, 

 interrupted at the middle on 8, and a narrower transverse pale 

 line at the hind margin, sides pale blue which does not 

 show in a dorsal view of 8 but is visible in a dorsal view of 

 9 especially near the hind end of the segment, no longitudinal 

 lateral dark bands on 9; 10 pale blue with a little black at the 

 base mid-dorsally, its hind dorsal margin concave in the 

 middle, spinulose on each side of the emargination ; superior 

 appendages decreasing in thickness to the apex, seen in profile 

 view. 9 Abd. segs. 8 and 9 dark metallic blue-green, no pale 

 dorsal spots on 8, a pale blue mid-dorsal posterior spot on 9 

 not half as long as the segment, sides inferiorly and 10 pale 

 blue, the last with some traces of black or metallic green at 

 the extreme base.. Abd. $ 21, 9 18.5-20; hind wing, $ 13, 



9 13-13.5 mm integricollis n. sp. 



II. Hind margin of prothorax emarginated 9 , entire and convex $ . 

 Superior appendages $ equal to, or shorter than, the inferiors. 

 Hind dorsal margin of abd. seg. 10 of $ cleft in the middle, spinu- 

 lose on each side of the cleft. Thoracic dorsum metallic green, 

 reaching laterad to beyond the humeral suture which is often marked 

 as above stated for speciosa. Three antenodal cells. 



Hind margin of prothorax of 9 bilobed, but in front of the cleft 

 * separating the two lobes is a small more nearly erect process 



