PORPHYROPS. 213 



flams, illofasciis t?-ibus obsairis, alls Jiyalinis, venis preehracMali et cubitali 

 paralleUs, transversa in medio alse sita ; Mm- liypostomate angustissimo, 

 abdoinine angusto cylindrico, ano rotundato vix incrassato ; Fcem. liy- 

 postomate latiore, abdomine subdepresso. Long. \\; alar. 2 lin. 



Head mid thorax metallic green, the long bristles blackish. Face white. 

 Antennae yellow, with the tip dusky. Abdomen pale yelloto, with the 

 posterior incisures dusky, forming usually three narrow bands. Ilypopy- 

 gimn of the male small. Legs and cox(B very pale yellow. 



Not common. In Mr. Haliday^s collection. (E. 1.) 



7. tenellus, Wd. z. m. ii. 73. 20 (1818); Mg. ; ^l^.—flavellus, 

 Ztt. Flavo-ferrugineus, thorace postico foveola viridi, fronte cana, 

 hypostomate albo, antennis brevissimis, ore subexserto pedibusque pallida 

 flavis, alis flavescenti-hyalinis, venis prcebrachiali et cubitali versus 

 apicem subconvergentibiis, transversa fere in medio alee sita ; Mas. 

 hypostomate angustissimo, ano rotundato parum incrassato ; Foem. 

 hypostomate latiore, ano simplici. Long. \\; alar. 2 lin. 



Yelloto, inclining to ferruginous. Face and front white. Antennae 

 often dusky at the tip. Thorax with a inetalUc green spot on the depressed 

 space before the scutellum, the long bristles ferruginous. Abdomen of the 

 male clavate, the hypopygium being thick and scarcely inflected. Legs 

 pale yellow, with the last joint dusky, the hind metatarsus rather longer 

 than the following joint. 



Not common. In Mr. Haliday^s collection. (E. I.) 



8. ornatus, Hal. z. j. v. 358. 17 {\%^\).— tenellus, Pin. p. ; Ztt. 

 Flavo-ferrugineis, capite thoraceque supra viridibus, pedibus pallide flavis. 

 Long. \\ ; alar. 2 lin. 



Yellow, inclining to ferruginous. Head and thorax metallic green 

 above, the long bristles ferruginous. Abdomen of the male clavate, 

 the abdomen being thick and scarcely inflected. Legs pale yellow ; 

 the hind metatarsus rather longer than the following joint. 



Not common. In Mr. Haliday's collection. (E.) 



9. flaviventris, Mg. zw. iv. 58. 28 {\%1\).—bifasciellus, Ztt.? 

 Nigro-a)ieus, thorace subtus flavescente, antennarum \articulo tertio 

 elongato apice fulvescente, pedibus [jaUide flavis ; Mas. abdomine flaves- 

 cente basi et apice fusco, femoribus anticis subtus tibiisque anticis intus 

 ciliatis ; Fcem. abdomine supra nigro-cnpreo. Long. ^•, alar. 1^ lin. 



Brassy-black. Face white. Antenn(B with the third joint somewhat 

 tawny at the tip, elongated, triangular in the male, shorter in the female ; 

 arista near its base, long, the joints of nearly equal length in the male. 

 Thorax yellowish beneath. Fringe of alulae; black. Abdomen of the 

 male yellowish, with the flrst segment and the last one dusky above, tlie 

 intermediate ones dark at the incisures. Abdomen of the female blackish- 

 bronze above. Appendages of the hypopygium short, nearly linear, 

 blackish. Legs and coxce pale yelloto ; in tlie male the under side of the 



