166 BOLICHOPID^. 



Very rare, on sandy coasts. In Mr. Haliday's collection. ([,) 



Obs. D. agilis, Stn. ib. 127. 33, seems to come very near to 



this, differing, however, by the stronger bend of the subapical 



vein, the anterior tarsi black with only the metatarsus pale, and 



the thickened tip of the hind tibiae; but see Ztt. d. s. 3081. 



35. simplex, Mg. (inm.) zw. iv. 85. 20 (1824); Stn.; Mq. ; Stg.; 

 Ztt. — tJialassbms, Hal. JErieo-viridis, antemils nip-is basi lutcis, i^edihus 



Jlavis, tarsis nigris, metatarsis anteriorihus Jtavidis, hypostomate fia- 

 vescente, Mas. ; aiit cano, Fcem. Long. 3 ; alar. 4 lin. 



Brassy-green. Front usually bluish-green. Pace in male pale 

 yellowish, ^nth silver gloss, in female dull whitish. Antenna blacJdsJi, 

 the first joint (and in the female the second also) entirely taiony yellow. 

 Wings dark hyaline, rather brownish in female. Legs, fore coxfe en- 

 tirely, and the tip of the hind pair, pale yellow ; hind tibise with a 

 blackish spot at the tip ; tarsi blackish, anterior metatarsi yellowish, 

 rather dusky in the second pair. Fore coxae in male not entirely 

 denuded. 



Pretty common. (E. S. I.) 



36. lineatocornis, Ztt. d. s. 538. 33 (1843). F'i?'idi-(snetcs, an- 

 temils nigris basi siibtus luteis, pedibus jiavis, tarsis nigris, metatarsis 

 anteriordjus Jtavidis, hypostomate flavido, Mas. ; aut cano, Fcem,. 

 Long. 3 ; alar. 4 lin. 



Brassy-green. Face ochre-yellow in male, dull whitish in female. 

 Antennce black, lower edge of first joint tawny yelloiv. Wings dark 

 hyaline. Legs and fore coxae didl yellow ; tip of hind tibia and the 

 tarsi blackish ; anterior metatarsi yellorcish. 



Rare. In Mr. Dale's collection. (E.) 



37. sabinus, Hal. a. n. h. ii. 184 (1838).— ^^/cifws, Stg.; Ztt. 

 jFneus, hypostomate candido, a7itennis nigris basi subtus luteis, pedibus 

 flavis, tibiis jwsticis apice tarsisque nigris, his basi fiavidis ; Mas. alis 

 lineola costali nigra, maculaque subajncali fusca. Long. 1| ; alar. 

 H lin. 



Brassy. Front metallic green. Face silvery-Avhite. Antennce 

 black, the lower edge of the first two joints tatcny yellow, extending to 

 the base of the third. Wings dark hyaline, immaculate in the female, 

 in the male with a dusky spot along the fore edge in the outer half, and 

 the black costal stcelling siiort. Legs and fore coxae yellow, hind tibiis 

 blackish at the tip; tarsi black; base of the metatarsi yelloic, more 

 largely in the anterior pairs. Hind tibia rather thick in the male, 

 with an imjn-ession behind above the middle. 



Eare. In Mr. Hahday's collection. (I.) 



38. nubilus, Mg. zw. iv. 76. 39 (1834); Stn.; Stg.; Ztt.— 

 inquiuatus, Hal. Obscure ceneo-viridis, hypostomate candido, anfennis 

 nigris puncto infero lutescente, pedibus finvis, femoribus tibiisque posticis 



