218 U. S. NATIONAL MUSEUM BULLETIN 216 



24b. Exochus nigripalpis tectulum, new subspecies 



Figures 163,b; 179,j; 189,k; 193,e 



Front wing 4.2 to 6.2 mm. long. 



Black. Interantennal process broadly bordered with whitish, the 

 white border about half as wide as the flagellum, small yellowish spot 

 sometimes at top of eye; palpi and sometimes tip of mandible stra- 

 mineous to light brown; flagellum dark brown beneath; hind corner of 

 pronotum sometimes with a whitish mark; tegula pale fulvous to 

 brown, pale yellow basally and sometimes with a small pale yellow 

 area apicolaterally; legs fulvous, the coxae infrequently more or less 

 infuscate, especially basally, the male front and middle coxae pale 

 fulvous beneath, and the apex of front femur, front and middle tibiae, 

 hind tibia basally, and tarsi basally, a little paler. Legs of female more 

 uniformly fulvous than those of male. In some laboratory reared 

 males the whitish mark on the interantennal process is expanded to 

 cover a large portion of the face, and the cheek and mouth parts also 

 may be whitish. 



Type: <?, Ithaca, N. Y., May 31, 1936, H. Townes (Washington, 

 USNM 63657). 



Paratypes (128 cf, 1289): From Alberta (Banff, Edmonton, and Slave 

 Lake); British Columbia (Downie Creek in the Selkirk Mts., Duncan, 

 Esquimalt, Chilliwack, Cultus Lake, Robson, Stanley, and Van- 

 couver) ; Colorado (Boulder Canyon, Glen Haven, and Peaceful Valley 

 in Boulder Co.); Connecticut (Colebrook); Idaho ("Houser Lake"); 

 Maine (Ashland, Coburn Gore, Fort Kent, Jackman, Lincoln Co., Mil- 

 linocket, Mount Chase near Patten, Patten, Rangeley, Rockwood, 

 Smyrna Mills, St. Agathe, Seboomook area, Shin Pond, Sinclair, South 

 West Harbor, and The Forks); Massachusetts (Holliston and South 

 Hadley) ; Michigan (Alger Co., Alpena Co., Baraga Co., Bay Co., Cal- 

 houn Co., Delta Co., Dickinson Co., Iron Co., Isle Royale, Mackinac 

 Co., Marquette Co., Mecosta Co., Midland Co., Montcalm Co., New- 

 aygo Co., Ontonagon Co., and Osceola Co.); Minnesota (Isabella and 

 Pine Co.) ; New Brunswick (Green River and Tabusintac) ; New Hamp- 

 shire (Hanover, Pinkham Notch, Randolph, and Mount Madison); 

 New Jersey (Milltown) ; New York (Bemus Point, Bethpage, Connec- 

 ticut Hill in Tompkins Co. at 2,095 ft., Gowanda, Green Co., Ham- 

 burg, Ithaca, Lake George, Lancaster, McLean Bogs in Tompkins Co., 

 Oneonta, Poughkeepsie, Rock City in Cattaraugus Co., Shokan, and 

 Upper Ausable Lake in Essex Co.) ; North Carolina (Crabtree Mead- 

 ows in Yancey Co. at 3,600 ft. and Mount Mitchell at 5,200 ft. and 

 at 6,400 ft.) ; North Dakota (Devil's Lake) ; Nova Scotia (Baddeck, 

 Kentville, Kings Co., St. Peters, and Truro); Ontario (Bells Corners, 

 Brockville, Galetta, Madoc, and St. Williams); Oregon (Cottage 

 Grove, 8 miles west of Meachan at 3,400 ft., and "Sodaville") ; 



