498 PROCEEDINGS OF THE ACADEMY OF [Oct., 



Teucholabis complexa Osten Sacken. (Plate XXV, fig. 15.) 



Transitional and Austral life-zones of the eastern United States, 

 ranging from New York and Connecticut, south to Georgia, west 

 to Illinois and Kentucky. In the vicinity of Washington it flies 

 from May 7 to July 25. 



Teucholabis lucida Alexander. (Plate XXV, fig. 16). 



Known only from the type-locality, District of Columbia, August 

 22, 1915. 



Toxorrhina magna Osten Sacken. 



Austral life-zones of the southeastern United States, ranging from 

 New Jersey south to Florida; in New Jersey flying from July 19 to 

 August 12, in the south its flight-period being much more extensive 

 (Crescent City, Florida, April 21; Thalman, Georgia, April 28;. 

 Bainbriclge, Georgia, September, October). 



Toxorrhina muliebris Osten Sacken. 



Canadian-Transitional life-zones of the northeastern United 

 States, ranging from New York and Maine, south to Maryland, west 

 to Michigan. In New York and New England it flies from June 21 

 to August 8, being common in places in late June and throughout 

 July. 



RHAMPHIDIA Meigen. 



Rhamphidia Meigen; Systematische Beschreibung, vol. 6, p. 281 (1830). 

 Rhamphidia mainensis sp. n. 



Rostrum elongated; head light gray with a large brown blotch 

 between the eyes; prsescutum light yellowish brown with three dark 

 brown stripes; wings unmarked except the pale stigma; legs dark 

 brown; abdomen dark brown, the basal sternites and the hypopygium 

 yellowish. 



Male. — Length, 6-7.5 mm.; wing, 5.8-7.7 mm. 



Rostrum elongated, black. Antennae black, the second segment 

 a little paler apically. Head light gray with a large brown blotch 

 between the eyes. 



Mesonotal prsescutum light yellowish brown with three dark brown 

 stripes, the middle one broadest, double, becoming indistinct before 

 the suture; lateral stripes shorter, crossing the suture and suffusing 

 the scutal lobes except behind; median area of the scutum and the 

 scutellum pale yellowish gray; postnotum yellowish, darker, more 

 brownish, on the sides. Pleura brownish with a golden-yellow 

 pollen. Halteres light brown, the knobs dark brown. Legs with 

 the coxse and trochanters yellowish brown; femora dark brown, 

 a little paler basally; tibiae and tarsi dark brown. Wings sub- 



