ICHNEUMON-FLIES, PART 2\ EPHIALTINAE 



399 



Figures 175, 176. — Localities: 



175 (left), Rhyssa howdenorum; 176 (right), R. 

 hoferi. 



2. Rhyssa hoferi Rohwer 



Figupes 317,b; 319,a 



? • Type: 



Rhyssa hoferi Rohwer, 1920, Proc. U.S. Nat. Mus., vol. 57, p. 421; 

 9 , Garden of the Gods, Colo. (Washington). 



Front wing of male 11.5 mm. long, of female 12 to 19 mm. long; 

 hairs on second tergite moderately dense, their sockets separated by 

 about the length of the hairs. 



Rufous. Face, orbit (interrupted at top and bottom of eye), cly- 

 peus, antero ventral and dorsal edges of pronotum, tegula, subtegular 

 ridge, scutellum except basally, postscutellum, front tibia, basal half 

 and front side of middle tibia, basal 0.4 of hind tibia of male, and nar- 

 row apical band on basal four or five tergites, pale yellow; flagellum 

 with a broad subapical yellowish band in female (flagellum broken in 

 the male specimen at hand) ; thoracic sutures, bases of coxae, and a 

 basal band on the first four to six tergites, brown; wings faintly tinged 

 with brown, the front wing with its anterior 0.65 ± light brown with 

 a paler area in the radial cell and another in basal half of discocubital 

 cell. 



This is the only Rhyssa with a rufous ground color, or with definite 

 markings on the wings. 



Specimens: o\ Grand Canyon, Ariz., June (Washington), cf, 

 Grand Can\'on, Ariz., June 15, 1953, A. and H. Dietrich (Ithaca). 

 29, (type and paratype) ovipositing in Pinus edulis infested with 

 Buprestidae, Garden of the Gods, Colo., June 23, 1915, Geo. ITofer 

 (Washington). 9, Garden of the Gods, Colo., June 15, Geo. Hofer 

 (Townes). 9, ovipositing in Juniperus, Mesa Verde, Colo., Aug. 2, 

 1927, J. M.M. (Berkeley). 



