ICHNEUMON-FLIES, PART 



EPHIALTINAE 



19 



Metapleurum and abdomen black; male front femur with a broad, shallow 



excision beneath; female front trochanter mostly reddish 2 



2. Male without distinct white marking on scape beneath; female hind tibia 

 rather indistinctly banded, broadly dull yellowish to pale reddish above on 

 middle, and with reddish to reddish brown subbasal and apical annuli; 

 female subgenital plate with a small, very shallow, median, basal, mem- 

 branous excision 2. detritus (Holmgren) 



Male with scape broadly whitish at apex, or entirely whitish beneath; female 

 hind tibia with a broad, white annulus (more or less interrupted beneath) at 

 middle, between brownish to blackish subbasal and apical annuli; female 

 subgenital plate with a narrow, rather deep, median basal, membranous 

 excision 3. productus, new species 



1. Scambus (Endromopoda) rubescens Walley, new species 



Figures 311, a; 320,b 



Male: Front wing 6.0 to 7.5 mm. long; antenna with 24 to 26 seg- 

 ments; cheek about 0.25 times breadth of mandible at base; mandible 

 weakly coriaceous near base; thorax moderately long; propodeum about 

 as long as deep, with strong, parallel, dorsomedial carmae extending 

 from base to apical 0.2; interval between propodeal caiinae sulcate 

 and more or less rugose ; propodeum on sides coarsely, and dorsally in 

 region of apices of dorsal carinae more finely, rugose; legs stout; front 

 femur simple; front tibia almost straight; segment 5 of tarsus distinctly 

 swollen, but much less strongly so than in female; abdomen moderately 

 stout; tergite 1 a little longer than wide, rather coarsely punctate, and 

 rugose, except at base of median area ; tergites 2 and 3 rather densely, 

 deeply punctate, except on apices; tergite 4 with weaker, shallower 

 punctures than tergite 3; tergites 5-7 with very shallow, often in- 

 distinct punctures. 



Black, often varying to more or less rufopiceous or reddish. Cly- 

 peus rufopiceous; more or less of scape beneath and pedicel entirely 

 beneath, yellowish varying to pale reddish; flagellum yellowish to 



Figure 2. — Localities for 



Scambus (Endromopoda) 

 rubescens. 



