DOLICIIOPUS. 161 



In the rest (species 12-38), the cilia of tlie lower orbit are 

 silvery-white or straw-colour ; the fringe of the alulae usually 

 blackish ; the pali)i yellow, except in the first three following. 



12. atripes, Mg. zw. iv. 103. 51 (1824); Stn. Atro-virens, 

 anteunis jM'dilj usque nigris, alls fuHcanisJnjpoHtomata ochraceo, Mas.; aid 

 cano, Fcem. Long. 2 ; alar. 4 liii. 



Dark brassy-green. Face ochre in the male, dull whUish in the female. 

 AntemifB and palpi black. Scutellum slightly pubescent ou the disc. 

 JFings dusky hyaline, darker at the fore edge in the male. Lamella; 

 uuicli curved, dingy yellowish-white, with dusky pubescence, the tip 

 blackish, very slightly ciliated. Legs black; a ferruginous dot at the 

 kuee, and at tlie base of the metatarsus of the anterior pairs ; which are 

 sometimes piceous, or the fore tibiae yet paler. Smaller than species 3. 



Not common. (E. S. 1.) 



13. phaeopus, (Hal., MSS.) Airo-virens, hypostomate candldo, 

 antennis nigris, pedibus piceis, tibiis anticis pallescentibus, alls obscure 

 hyalinis. Long. If; alar. 3i lin. 



Bark brassy-green. Face iii\very-?chife. Antennfe and palpi black. 

 JFings dusky hyaline, with the costal swelling reduced to a mere dot, 

 as in the next. Lamellae rather oblong-ovate, dingy-white, with a 

 narrow black edge, the tip jagged and ciliated (as is usual). Legs 

 piceous ; the fore pan* lighter, with the tibi(e rather pale ; the hind 

 tibiaj and tarsi blackish. 



Rare. In Mr. Haliday^s collection. (I.) 



Obs. B. hracliycerus, Ztt. d. s. 526. 22, may perhaps be the 

 other sex of this species. See also B. nigripes, Mg. zw. vii. 164. 64. 



14. vitripennis, Mg. zw. iv. 78. 7 (1834); Stn.; VL?\.—tibiellns, 

 Ztt. Atro-virens, hypostomate candldo, antennis pedibusque nigris, tibiis 

 ferrugineis, alis hyalinis; Mas. alis postice subsinuatis. Long. 1|- ; 



alar. 3^ lin. 



Dark brassy-green, or bluish-green. Face white. Antennce and 

 palpi black. Wings broad, hyaline ; in tlie male the hind margin is 

 slightly sinuated, and the costal swelling a mere dot. Lamellae some- 

 what triangular, dingy-white, the black edge narrow and cihated at 

 the tip. Legs black, the tibice, the tip of the knees, and the anterior 

 metatarsi ferruginous, the latter and the hind tibiae blackish at the tip. 



Not rare. (E. S. I.) 



15. urbanus, Mg. zw. iv. 92. 31 (1834) ; Stn.; Hal.; Stg. ; Ztt. 

 Viridi-(S7ieus, hypostomate albo, antennis luteis apice nigris, pedibusjlavis, 

 tibiis tarsisque posticis nigris, alis fuscanis ; Mas. tar sis intermediis ar- 

 tictdo ultimo candido, femoribiis posticis bispinosis, alis postice emargina- 

 tis. Long. 2i ; alar. 4|^ lin. 



Brassy-green. Face ?,\\v(i\"y -white, duUer in the female. AntenncB 

 tawny /yellow, third joint black, with a small yellow sjiot at the base. 



VOL. I. Y 



