ICHNEUMON-FLIES, PART 2\ EPHIALTINAE 57 



and extend to include more or less of the hind coxa and the trochanters. 

 The species varies clinally in coxal color, the frequency of specimens 

 exhibiting the maximum black increasing in the direction of the 

 northern extensions of its range. 



Specimens (59d\ 1779): From Alaska (King Salmon on Naknek 

 River, Kodiak, Mount McKinley at 1,700 and 2,500 ft., and Nome); 

 Alberta (Waterton and Waterton Lakes) ; British Columbia (Osoyoos) ; 

 California (Antioch in Contra Costa Co., Berkeley, Bishop, Bixby 

 Creek in Monterey Co., Canby in Modoc Co., Crescent City, Eureka, 

 La Jolla, "Miles," Palo Alto in San Mateo Co., Samao Beach in 

 Humboldt Co., and San Francisco) ; Colorado (near Estes Park, Grand 

 Lake, Great Sand Dunes National Monument in Alamosa Co., and 

 Phantom Valley in Rocky Mountain National Park at 9,400 ft.); 

 Idaho (Bear Pass Creek in Butte Co., and Targhee Pass); Maine 

 (Boothbay, Kennebunkport, and Orrs Island); Manitoba (Churcl ill); 

 Massachusetts (Barnstable, Beach Bluff, Chelsea, Gloucester, Hyan- 

 nis Port, Lynn Beach, Manomet, Provincetown, Tisbury, Truro, and 

 Woods Hole); Michigan (Alabaster, "Big Stone Bay," Huron Co., 

 Mackinac Co., Manistee Co., and Mason Co.); Newfoundland 

 (Harmon Field) ; New Brunswick (Tabusintac) ; New Jersey (Seaside 

 Park); New York (Bayville, Chautauqua Co., Long Beach on Long 

 Island, and Orient); Northwest Territories (Norman Wells); Nova 

 Scotia (Annapolis Royal in Kings Co., Baddeck, Berwick, Habitant, 

 Kings Co., Ottawa House in Parrsboro, Petite Riviere, Port William, 

 Starr's Point, Truro, and Wliite Point Beach in Queen's Co.) ; Ontario 

 (Moose Factory, Moosonee, and St. David's); Oregon (Cannon Beach 

 and Warrenton) ; Prince Edward Island (Brackley Beach and Dalvay 

 House in Canadian National Park) ; Quebec (Chandler, Ellis Bay on 

 Anticosti Island, Great Whale River, Natashquan, and New Carlisle) ; 

 Rhode Island (Westerly); Utah (Newton and Smithfield Canyon at 

 5,000 ft.); Washington (BeUingham, Birch Bay in Whatcom Co., 

 Fort Casey on Whidby Island, Mount Rainier at 5,000 and 5,300 ft., 

 and Westport); Wyoming (Lander); and Yukon Territory (Marsh 

 Lake) . 



Hosts: The specimens studied include rearings from the following 

 microlepidoptera: Anthophila pariana (Clemens), Choristoneura rosa- 

 ceana (Harris), Laspeyresia nigricana (Stephens), Laspeyresia sp. on 

 beach pea, Polychrosis viteana (Clemens), and Spilonota ocellana (Denis 

 and Schifferm tiller). 



This species occurs in the Hudsonian, Canadian, and Transition 

 zones. It is most common in coastal localities but is found sparingly 

 in the interior of the continent and in both instances seems to prefer a 

 habitat in which sand}' or lighter types of soils are prevalent. At 



526527—60 5 



