ICHKEUMON-FLIES, PART 2 1 EPHIALTINAE 61 



tergite 1 about 1.5 times as long as broad; punctures on tergites shallow 

 and indistinct, and often confused with other sculpture. 



Black. Palpi, tegula, front and middle coxae, and trochanters, 

 pale yellowish; front and middle femora reddish with paler apices; 

 front and middle tibia pale reddish varying to yellowish; hind coxa 

 blackish; hind femur brownish to brownish black; hind tibia pale 

 yellowish with a weak, subbasal, fuscous annulus; hind tarsus brownish 

 with a broad, pale annulus on base of segment 1. 



Female: Front wing 3.5 to 4.0 mm. long; antenna with 19 to 20 

 segments; mandible, temple, and occipital carina as in male; cheek 

 about 0.3 times breadth of base of mandible; thorax stout, propodeum 

 short, evenly convex, without sculpture, and without dorsomedial 

 carinae; legs rather stout; abdomen stout, with tergite 1 weakly 

 elevated; punctures on tergites large and distinct, but rather shallow; 

 sheath about as long as abdomen ; ovipositor rather weakly compressed, 

 with a very weak nodus. 



Black. Palpi pale yellowish suffused with fuscous; tegula pale 

 yellowish; coxae reddish brown varying to blackish; trochanters 

 mostly brownish, the front trochanter yellowish in front; front and 

 middle femora dull reddish, becoming paler beneath; hind femur 

 brownish; hind tibia with narrow subbasal and broad apical fuscous 

 annuli joined beneath by a brownish streak; pattern of hind tibia 

 faintly repeated on front and middle tibiae; hind tarsus brownish, 

 with first segment pale at base. 



Type: 9, Poudre Lake at 11,000 ft., Rocky Mountain National 

 Park, Colo., Aug. 12, 1948, Townes family (Washington, USNM 

 63746). 



Paratypes: 2c?, Workman Creek, Sierra Ancha, Ariz., Apr. 30, 

 1947, H. and M. Townes (Townes). 9, Mount Rainier at 4,200 ft., 

 Wash., Aug. 11, 1940 (Townes). 



Host: Unknown. 



11. Scambus (Scambus) dioryctriae Walley, new species 



Figure 312,c 



Male: Front wing 3.5 to 5.5 mm. long; antenna with 24 to 27 

 segments; temple rather broad, moderately rounded, and weakly 

 receding; thorax and propodeum slightly elongate, the latter with 

 distinct, dorsomedial carinae on basal 0.6; front femur with a very 

 broad, shallow, somewhat oblique excision beneath; front tibia moder- 

 ately and rather evenly bent; tergite 1 a little longer than broad, 

 rugulose and punctate on sides and punctate at middle at apex; 

 remaining tergites densely, rather coarsely punctate except on apices; 

 clasper large and very broad. 



