DOLICIIOPUS. 165 



anojle being uiiicli rouTuled away, with the black costal smelling stronger 

 than in tlic next two ; in female brownish-hyaline ; bend of snbapical 

 vein very slight. Fringe of alulce pale in male. Legs very pale yellow ; 

 middle coxaj outside and the base of the hind pair grey ; tij) of the 

 anterior tarsi dusky, and hind pair Mack. In the male, only the last 

 joint of the fore tarsns is dusky, the fore coxec denuded of black pu- 

 bescence, the ti|) of the hind tibia thickened and foveolated, sometimes 

 dusky. 



Not uncommon. (E. S. I.) 



23. acuticornis, Wd. mag. ii. 7-t. 33 (1818); Stn. ; 7Ai.—rii- 

 ralis, Mg. ; Mq. ; Stg. Pallide apneas, hypostornate candido, antennis 

 acuminatis nigris basi subtus luteis, pedibus pallide Jlavis, tibiis posticis 

 apice tarsisque nigris, nietatarso antico Jlavldo ; Mas. antennis cajnte lon- 

 gioribus, alis lineola costali nigra, alnlis jjallido-ciliatis. Long. 1^; 

 alar. 3 lin. 



Brassy, with a jjale bloom. Front usually bluish-green. Face 

 silvery-white. Antenna; pointed, black, with the under edge of the first 

 joint tawny yellow, spreading into a spot at the tip ; in the male about 

 as long as the head is broad, the third joint lanceolate, curved upwards 

 at the tip, almost as long as the preceding two together. Wings 

 brownish-hyaline ; in the male rather narrow, with a black costal 

 swelling ; bend of subapical vein very slight. Fringe of alulce pale 

 in male. Forceps and internal appendages of hypopygium slender and 

 longer than usual. Legs very /'a/e yellow ; posterior coxa? grey out- 

 side ; hind tibice black at the tip ; fore tarsi dusky with the metatarsus 

 pale yellowish ; posterior tarsi black, base of middle metatarsus pale 

 brown. In the male the fore coxte are denuded and glossed with 

 white, and the intermediate joints of the hind tarsus a little com- 

 pressed. 



Not commoUj on sandy coasts. In Mr. Halida/s collection. (I.) 



24. linearis, Mg. zw. iv. 84. 17 (1824) ; Hal. — Foem. parmlus, 

 Ztt. VaUlde teneus, hypostomate candido, antennis nigris basi luteis, 

 pedibus pallide Jlavis, tarsis apice posticis totis nigris ; Mas. alis lineola 

 costali nigra. Long, li; alar. 3 lin. 



Brassy, with a pale bloom. Face silvery-white. Antemue black ; 

 i\\e first joint yellow, us long as the second and third together ; the 

 third somewhat triangular. TFings dark hyaline ; rather narrow in 

 the male, with a black costal swelling ; bend of subapical vein very 

 slight. Fringe of alute chiefly black. Legs very pale yellow, middle 

 coxae with grey spot outside ; hind tarsi, and the tips of the anterior 

 tarsi and hind tiljife, black. Fore coxaj denuded in the male. Nearly 

 allied to the preceding two, but the antenna? not longer than in the 

 next ; from which it tliffers, besides its inferior size, by the coxjc and 

 anterior tarsi more largely yellow, the slighter flexure of the suljapical 

 vein, the clear white face, and by the several characters noticed as 

 |)(!culiar to the male. 



