208 DOLICHOPIDjE. 



c. Alulas entirely pale. Species 1. 

 c c. Alulae edged with black. 



d. Thorax bright green above. Species 7. 



d d. Thorax with a whitish coat. Species 3-5. 

 a a. First joint of the antennas naked. Species 6. 



1. confinis, Ztt. d. s. 3090 (1849). Thorace aureo-viridi, alulis 

 pallidis, metatarso postico spinuloso articulum secundum superante, capile 

 nigro, Mas. ; aut albicante, Fcem. Long. 2^- ; alar. 5 lin. 



Gilded-green. Head black in male, whitish in female. Antennae of 

 male but little elongated. Alula not edged with black ; the fringe pale. 

 Abdomen of male silvery, with the sides of the second and base of the 

 third segment yellow ; in the female the first segment and the sides of 

 the second tawny-yellow. Legs yellow; middle coxa3 grey outside; 

 tarsi dusky at the tip ; hind metatarsus longer than the following joint, 

 and armed with some short spines, more evident in the male, in which 

 also the tip of the hind femora and tibiae is dusky. 



Yery rare. In Mr. Walker's collection. (E.) 



2. diaphana, Fb. mnt. ii. 349. 82 (1787); Mg. ! Mq.; Ztt. 

 pellucens, Fin. hirtipes, Ct. Foem. versicolor, Mg. Thorace obscure 

 viridi, scutello pubescente, capite nigro, Mas.; aut albicante, Fcem. Long. 

 3 ; alar. 6 lin. 



Head black in male, whitish in female. Antennas elongated in male, 

 arista apical in female. Thorax blackish-green (male) or dull brassy 

 (female), with but little of a hoary shade above; scutellum pubescent ; 

 prostenium with three spines at each side. Subapical vein of the wing 

 very strongly sinuated. Alulae with broad black edge and black fringe. 

 Abdomen of male blackish, with silvery gloss, and a pale transparent 

 spot at each side of the second and third segments ; abdomen of female 

 dull brassy, with a shifting hoary gloss at the sides. Femora of the 

 male nearly black, anterior ones very hairy ; of the female yellowish, the 

 base of the anterior ones and the tip of the hind pair blackish ; tibiae 

 yellow, all of them spiny, the hind pair blackish at the tip ; anterior 

 tarsi yellow, dusky at the tip, hind pair entirely dusky ; fore metatar- 

 sus ciliated beneath in the male. 



Not rare. (E. S. I.) 



3. leucocephala, Mg. zw. iv. 49. 8 (1824); Mq.; Ztt. ^ 

 Hal. TJwrace viridi-incano, alulis nigro-ciliatis, capite nigro, Mas. ; aut 

 albicante, Fcem. Long. 3 ; alar. 6 lin. 



Head black in male, whituh in female. Antennae of male but little 

 elongated, half as long as the arista. Thorax green, with a hoary coat. 

 Alula with black edge and fringe. Abdomen of male silvery, with a 

 pale transparent spot at each side of the second, third, and often of the 

 fourth segment ; in female brassy-green with a yellow spot at each side 

 of the second segment. Femora dusky in male ; in female yellow with 



