144 INSKCUTOR INSCITI^E MENSTRUUS 



of wing and apical cilia golden ; underside of f orewings brown- 

 ish gray. Hind wings grayish ; cilia grayish white shading 

 to yellow at apex. Underside of body, femora, and fore tibiae 

 white ; tarsi, hind tibire, and anal tuft light buff. Alar expanse, 

 10 mm. 



Habitat : Falls Church, Virginia. 



Food Plant : Gaylussacia baccata.'^ 



Type, Cat. No.' 19898, U. S. Nat. Mus. 



Described from a single adult reared June 27, 1914, under 

 Hopk. U. S. No. 121o0d from larva found feeding on huckle- 

 berry. 



The larval case is light brown, 8 mm. long by 1 mm. thick ; 

 cylindrical with widest portion just beyond the middle and 

 tapering slightly to both ends ; posterior end rounded and 

 flatly compressed ; mouth deflecting to 90 degrees. 



A NEW EASTERN BRACHYOPA 



(Dipt era, Syrphidce) 

 By RAYMOND C. SHANNON 



Brachyopa flavescens, new species. 



Male. Rather robust, small, yellowish. Eyes strongly 

 contiguous ; vertex yellowish gray, with pale, very short pile ; 

 vertical triangle narrow and acute, reaching forward to about 

 the middle of the eyes ; frontal triangle yellow, bare. Antennae 

 orange-yellow; third joint ovate, longer than broad; arista 

 darkened distally and with very fine microscopic pubescence 

 along its entire length. Face moderately produced, light 

 yellow, dusted with white and with fine light hairs; concave 

 below antennae, the lower half produced and truncate, its upper 

 angle slightly acute. Mesonotum dark ocher yellow, dusted 

 with brownish gray, at the sides and behind broadly ferruginous 

 and more shining; two narrow and approximated dark stripes 

 medianly on anterior two-thirds, two broad, anteriorly and 

 posteriorly abbreviated stripes outwardly; hairs rather short 



*Food plant determined by Mr. F. V. Coville of the U. S. Bureau of 

 Plant Industry. 



