ICHNEUMON-FLIES — GELINAE I MESOSTENINI 441 



brown, paler at the joints; hind femur black or ferruginous; hind tibia 

 black; hind tarsus fuscous, its third through fourth segments brown; 

 abdomen ferruginous, the first segment infuscate basally. 



Type: 9, Jackson, Wyo., W. B. Sheppard (Washington, USNM 

 63826). This specimen has the hind femur black. 



Parat3T)es (OcT, 159): From British Columbia (Robson); California 

 (Brentwood, Davis Creek in Modoc Co., Devils Basin at 8,200 ft. in 

 El Dorado Co., Gold Lake in Sierra Co., Lone Pine, Owens Lake in 

 Inyo Co., and 4 miles west of Quincy) ; Idaho (Moscow and Oakley at 

 4,542 ft.); Northwest Territories (Fort Norman on McKenzie River); 

 Oregon (Bend and Elk Lake m Deschutes National Forest at 4,600 ft.) ; 

 Saskatchewan (Pickthall) ; Wyoming (22 miles north of Daniel, Jack- 

 son, Madison River in Yellowstone National Park, Mount Washburn 

 in Yellowstone National Park, and Riverside in Yellowstone National 

 Park); and Mexico (15 km. east of Sombrerete in Zacatecas). 



Collection dates are from mid-spring to mid-fall, the earliest and 

 latest dates being: May 15 at Robson, B.C.; May 28 at Brentwood, 

 Calif. ; June 2 at Owens Lake, Inyo Co., Calif. ; September 19 four miles 

 west of Quincy, Calif.; and October 22 at Robson, B.C. 



This species ranges from southern Saskatchewan and British 

 Columbia to central California. 



3. Mesostenus temporalis, new species 



IMesostenus tarsatus Provancher, 1875, Naturaliste Canadien, vol. 7, pp. 265, 267; 

 cT. Name preoccupied by Cresson, 1865. Types: 2cf , Quebec (lost). 



Front wing 6.5 to 7.5 mm. long; clypeus small, strongly convex, 

 its apical margin rather strongly arcuate; temple moderately convex; 

 prepectal carina strong and sharp dorsad to sub tegular ridge; punc- 

 tures on mesopleurum moderately coarse, strong, separated by about 

 0.6 theu- diameter except that at middle of mesopleurum they are 

 crowded ; apical carina of propodeum moderately strong, a little weaker 

 laterally, usually very narrowly interrupted medially in male, usually 

 rather broadly interrupted medially in female; areolet about 1.4 as 

 wide as high; second tergite of female mat, with very smaU punctures 

 that are separated by about 5.0 their diameter; ovipositor sheath 

 about 0.73 as long as front wing; ovipositor tip about 3.6 as long from 

 nodus to apex as it is deep at nodus. 



Male: Black. Frontal orbit, face except median part, clypeus, 

 palpi except their first segments, collar, more or less of upper margin of 

 pronotmn, tegula, subtegular ridge, ridge at base of scutellum, scu- 

 tellum except for a median black strip, and much or most of front and 

 middle coxae, white; front and middle trochanters white, brown above; 

 front and middle femora, tibiae, and tarsi fulvous, the fifth tarsal 

 segments brown; hind femur varying from fulvoferruginous with its 



589900—62—^29 



