212 DOLICHOPIDjE. 



plumatis atris, alls hyalinis, vena presbrachiali flexa in apice excnr- 

 rente, ibique cum cubitali paululum convergente, transversa in media alee 

 sita ; Mas. thorace cinereo vittis duabus obscurioribus, pedibus anticis 

 longissimis ; Fcem. thorace ferrugineo. Long. 2^ ; alar. 4-|- lin. 



Head cinereous behind. Face and front white. Antennae yellow. 

 Thorax in the male cinereous above with two darker lines, in the female 

 ferruginous with sometimes a cinereous spot before the scutellum, which 

 is yellow, with the base dusky in the male. Metathorax entirely 

 cinereous. Wrings hyaline. Abdomen ferruginous, with the base of 

 the segments blackish, forming transverse bands, which in the female 

 are broader and notched behind at the middle so as to be almost 

 interrupted. Hypopygium of the male black. Legs pale yellow ; in 

 the male the first two joints of the fore tarsus very long and slender, the 

 rest short, the third and fourth dusky fringed at each side with black 

 bristles, tJw fifth joint whitish. 



Bare. In Mr. Halida/s collection. (E.) 



5. aulicus, Mg. zw. iv. 48. 6 (1824) ; Ztt. Foem. vividus, Mg. 

 TJiorace aenescente, fronte cyanea, hypostomate albido, antennis capite 

 transverso paulo brevioribus nigris, abdomine ferrugineo, fasciis quatuor 

 obscuris, pedibus pallide flavis, tarsis fuscis, alis subhyalinis, prabra- 

 chiali levissime fiexa in summo apice excurrente, cubitalique subparallelis ; 

 Mas. hypostomate angustissimo argenteo, antennis capite paulo tantum 

 brevioribus, metatarso postico intus in medio subexciso et fasciculo 

 spinularum armato ; Fcem. hypostomate latiore cano, antennis capite 

 fere dimidio brevioribus, metatarso postico breviter pubescente simplici 

 et inermi. Long. 2-i- ; alar. 5 lin. 



Head brassy-green, duller in the female. Front blue. Face white, 

 of the female hoary, concave under the antenna?. Antenna black; 

 third joint short, deeply notched at the base, receiving the tip of the 

 second ; arista defiected before the tip. Thorax brassy-green, dull in the 

 female ; scutellum bluish. Wings almost hyaline ; discal transverse vein 

 distant by little more than its own length from the hind margin. Alula 

 with a narrow black edge, the fringe yellowish in the male, blackish in 

 the female. Abdomen pale yellow with dusky incisures, transparent in 

 the male, with the small hypopygium not prominent ; in the female 

 usually brownish above. Legs pale yellow ; middle coxae grey outside ; 

 posterior femora with more than one spine about the tip ; tarsi dusky, 

 except the base ; hind metatarsus short, notched below in the male, with 

 a tuft of bristles before the notch. Allied to Rhaphium pallipes, &c., 

 more than to any other group, though the antennas are so short even in 

 the males. 



Not rare. (E. I.) 



6. bicolorellus, Ztt. d. s. 617. 104 (1843). Thoracis postici 

 impressi dorso nigro setoso, scutello fronteque virescentibus, hypostomate 

 albo, antennis brevissimis testaceis apice fuscis, abdomine pedibusque albo- 



