BUFFALO SOCIETY OF NATURAE SCIENCES 



167 



Explanation of Figures. 



1-11 antennae of Diaphorus. 1 D. parmatus n. sp. 2 remu- 

 lus n.sp. ; 3 repandus n.sp. ; 1 usitatus n.sp. ; 5 alclrichi n.sp. ; 

 6 similis n.sp. ; T triangulatus n.sp. ; 8 alienus n.sp. ; 9 leucostoma 

 Loew; 10 quadratus n.sp.; 11 occidentalis n.sp.; 12 lamella 

 of the hypopygium of D. lamellatus Loew ; 13 lamella of the 

 hypopygium of D. basalis n.sp. ; 14 Wing of D. repandus n.sp. 





xtf/KP 



/& 



1 Diaphorus lamllatus Loew. 



Diaphorus Lamellatus Loew, Mom N. A. Dipt, ii, 165. 



Male: Length 2.(5-1 mm. Eyes narrowly separated by the 

 front ; antennae small, black ; arista subapical. Thorax and 

 abdomen metallic green, the former with brownish yellow dust; 

 bristles at the tip of the abdomen remarkably strong ; outer 

 apendages of the hypopygium elongated, spatulate lamellae (Fig. 

 12). Coxae and feet black, basal half of the four anterior tibiae 

 yellowish ; pulvilli of fore tarsi much elongated. Halters and 

 tegulae yellow, the latter with black cilia. Wings grayish hyaline ; 

 the first vein reaching about two-fifths the distance to the tip 

 of the second vein. 



The venter is usually yellowish at the base of the abdomen, 

 and in some specimens the yellowish color forms a narrow band 

 on the dorsum at the base of the second segment. 



Middle States Loew ; I have seen specimens from N. Y., 

 Pa. and Va. 



