Vol. XXJi] ENTOMOLOGICAL NEWS 319 



black pile excepting a triangular area on the disc of second segment 

 which is nearly bare. All femora black, shining, bearing long black 

 hairs. Tibiae black, apical ends brownish. Hind tibiae strongly bent 

 ventrad. Front and middle tarsi light brown, apical joints darker. 

 Hind tarsi black above and brown below. Wings smoky, stigma 

 yellowish. 



Type a unique $ . Deposited in U. S. National Museum, 

 Washington, D. C. Collected by W. S. Fisher, Harrisburg, 

 Pa., March 24, 1910, resting on a tree trunk. Mr. D. \Y. Co- 

 quillett has kindly compared this and the following species 

 for me. 



Syrphus fisherii n. sp. 



Habitat Pennsylvania. 9 Length 8 mm. Antennae brownish, eyes 

 glabrous. Face yellow with whitish pollen ; in the middle a shining 

 brown stripe extends from the oral margin across the facial prom- 

 inence but ends abruptly before the base of antennae; oral margin 

 brown. Front, shining pitchy black with a band of grayish pollen 

 forming a continuous Gothic arch above antennal tubercle ; the sides 

 of this arch run down along the eyes and coalesce with the facial 

 pollen. Antennae inserted on a distinctly yellow ground. No part 

 of face or front shows any trace of metallic color. Thorax black 

 with a faint green metallic tinge, scutellum and halteres dull yellow, 

 scutellum brown at extreme ends. Abdomen rather narrow, some- 

 what constricted at base, first segment black; second segment, yel- 

 low cross band very broad, narrowly interrupted forming two large, 

 lemon yellow, quadrate spots reaching anterior margin, remainder of 

 segment shining black ; third and fourth segments shinins: black, with 

 basal, narrow, nearly straight, interrupted, cross bands of ochre 

 yellow, reaching laterad but not touching anterior margin of seg- 

 ment : fifth segment black with small ochre yellow triangle at outer 

 corners touching anterior margin, also a very narrow lunule border- 

 ing posterior margin : remainder of abdomen black. Front and middle 

 legs testaceous, femora brown at base. Hind legs blackish, knees 

 brown. 



Type a unique 9 , from Tnsrlenook, Pa., September 12. The 

 species is named in honor of Mr. W. S. Fisher, who collected 

 it and to whom the author is indebted for this and many other 

 fine Diptera. 



Microdon laetus Loew. 



Type locality, Cuba. The validity of this species seems 

 previously to have been somewhat doubtful. The specimens 



