128 BROOKLYN MUSEUM SCIENCE BULLETIN 3. 3. 
denser and finer on the last ventral segment; pubescence whitish or 
yellowish, very short and rather sparse; posterior femora extending to 
about the apex of the third ventral segment in the male, shorter in the 
female, rather strongly incrassate, at apex wider than at base, armed 
below in both sexes with a large triangular acute tooth, occasionally in 
one of the varieties the tooth is wide but shorter and obtuse; second 
joint of hind tarsi about as long as wide at apex. Length: 6-8 mm. 
Male : First ventral segment more or less deeply impressed at mid- 
dle, last ventral segment feebly depressed at middle of apex; last dorsal 
segment truncate at apex. 
Female: Last ventral and dorsal segments broadly rounded at 
apex; lower vaginal plate similar in shape to emarginata. 
British Columbia: "Brit. Col." (Entomol. Branch); Glacier, June 
(Hubbard and Schwarz). 
Alberta: Wapemum, July (Carr). 
Ontario: Trenton (Evans, E. B.); Hastings (Evans, E. B.); Ottawa 
(Wickham coll.). 
Quebec: Montreal (Entomol. Branch and coll. Knab) ; Mt. St. Hilaire 
(Knab coll.); St. Johns Co., July (Chagnon). 
Michigan: Douglas Lake, Cheboygan Co., July (Hatch); Washtenaw 
Co., June (Hubbell); Wayne Co., May (Frankenfield) ; Ann Arbor; 
Detroit, May, and Marquette (Hubbard and Schwarz). 
Maine: Paris, June (Frost). 
Massachusetts: Long Meadow, June (Dimmock Biol. Surv.); Medford, 
June (Knab); North Hampton, June (Knab); Framingham and 
Bedford, June (Frost). 
Connecticut: Canaan (Zappe) ; Wallingford (Britton). 
New York: Rochester (Wendt, Moore) ; Tivoli, May (Notman) ; White- 
Hall, October (Notman) ; Sodus Point, June (Notman) ; Saranac 
Lake, September (Shoemaker) ; Staten Island, June (Davis) ; Bronx 
Park (Davis) ; Mystic, Long Island (Murphy) ; Bellport, Long 
Island, June (Nicolay); Far Rockaway, Long Island (Johnson). 
Pennsylvania : Starlight, June (Shoemaker) ; Easton, June (Franken- 
field). 
Virginia: Dyke, May (Jackson Biol. Surv.), 
District of Columbia : Washington (Hubbard and Schwarz) ; Eastern 
Branch, February, March, April, June (McAtee and Kubichek, Knab). 
Ohio: Cincinnati (Brit. Mus. Nat. Hist.). 
Minnesota: "Minn." (Minn. Univ.). 
Iowa: Iowa City (Wickham). 
