ICHNEUMON-FLIES, PART 2 1 XORIDINAE 511 



elongate than a regular pentagon, its basal angle closed; first tergite 

 1.55 ?s long as wide, rather coarsely rugulose, its sublateral carinae 

 traceable to the apex, its median carinae sharp to a little beyond the 

 middle but not present beyond this point; second tergite with strong 

 rugulosity which is somewhat longitudinal. 



Black, the head with a faint ferruginous tinge. Clypeus and 

 labrum brown; scape and tegula reddish brown; palpi blackish brown; 

 coxae, trochanters, and femora reddish brown, the coxae basally and 

 the hind trochanters infuscate; tibiae brown, a little paler at base, 

 the front tibia whitish in front; tarsi brown. 



Type: 9, Lone Pine, Calif., July 28, 1940, R. H. Beamer (Lawrence). 



9. Xorides (Xorides) planus, new species 



Front wing of male 3.7 mm. long, of female 5.2 to 5.3 mm. long; 

 head exceptionally short; frons with scattered, fine, inconspicuous 

 punctures and fine, irregular transverse rugulae; top of head with 

 moderately fine punctures that are separated by about 1.5 their 

 diameter and a little mat and with some weak, fine, transverse acicu- 

 lation; temple mat, with scattered, fine, inconspicuous punctures and 

 except above with fine vertical aciculation; thorax strongly depressed, 

 about 4.1 as long as high, its mesoscutum and scutellum exactly flat 

 except that the front and sides of the mesoscutum are a little convex; 

 mesoscutum strongly rugulose, the lateral part of its lateral lobe 

 punctate and rather smooth; mesosternum and mesopleurum irregu- 

 larly mat, not distinctly punctate; carinae on median part of pro- 

 podeum obsolescent; first tergite of male 2.4 as long as wide, of 

 female about 1.85 as long as wide; first through fourth tergites strongly 

 mat over their entire surface except for a narrow polished apical band; 

 median longitudinal carinae of first tergite discernible only on its 

 basal 0.2 ±. 



Blackish. Tibiae basally and on extreme apex, and base of basitarsi 

 medium brown; tarsi medium brown to blackish. 



Type: 9, Bear Wallow, Mount Lemmon, Santa Catalina Alts., 

 Ariz., May 13, 1953, A. and H. Dietrich (Ithaca). 



Paratypes: cf, Pocket Creek, Sierra Ancha, Ariz., May 5, 1947, 

 H. and M. Townes (Townes). 9, on sand, Florissant, Colo., June 

 21, 1908, S. A. Rohwer (Ithaca). 



10. Xorides (Xorides) medius, new species 



Figures 313,f; 315,a; 316,d; 328,1 



Front wing of male 4.0 mm. long, of female 5.7 to 6.4 mm. long; 

 frons weakly rugulose and with fine, weak, rather close punctures; 

 top of head with fine punctures that are separated by about 2.0 



