ICHNEUMON-FLIES, PART 2\ EPHIALTINAE 127 



This subspecies is Holarctic. In America it is transcontinental 

 in the Canadian zone. Adult males occur mostly from mid-May 

 to mid-July; females occur from mid-June to early October. It 

 parasitizes Coleoptera boring under the bark of Pinus. 



5b. Dolichomitus tuberculatus jezoensis (Uchida), new combination 



Ephialtes tuberculatus var. jezoensis Uchida, 1928, Journ. Fac. Agr. Hokkaido 

 Univ., vol. 25, p. 89; ? . Type: 9 , Hokkaido (Sapporo). 



Male: Unknown. 



Female: Colored like the female of D. tuberculatus tuberculatus 

 except that the coxae are dark brown or blackish (with the front 

 coxa often more or less fulvous), the fulvous of the hind trochanters 

 somewhat tinged with brown, the hind femur brownish fulvous or 

 brown, and the hind tibia only indistinctly paler at the base. 



We have four females from Japan (Hokkaido and Honshu) . 



III. CEPHALOTES GROUP 



Male unknown to us. 



Body unusually stout; temple unusually wide and bulging a little. 

 Pronotum black, its extreme hind corner paler; prepectal carina 

 complete, but weak above, dorsally with a rather even slant toward 

 front margin of mesopleurum ; lower half of mesepimeron with a few 

 hairs, these mostly near its hind edge; nervellus broken above the 

 middle; hind femur about 4.3 as long as deep; first tergite of female 

 about 1.36 as long as wide; second tergite of female about 1.0 as long 

 as wide; ovipositor sheath about 4.4 to 5.7 as long as front wing; 

 dorsal lobe of tip of lower valve of ovipositor tapered apically, with 

 about six ridges, most of which slant forward and downward. 



This species group includes the Holarctic D. cephalotes and the Jap- 

 anese (Ephialtes) Dolichomitus elongatus (Uchida), 1928 (new 

 combination). 



6. Dolichomitus cephalotes (Holmgren), new combination 



Ephialtes cephalotes Holmgren, 1860, Svenska Vetensk.-Akad. Handl., ser. 4, 

 vol. 3, sect. 10, p. 13; 9. Type: 9, "Ostrogothia ad Gusum," Sweden 

 (Stockholm). 



Ichneumon (Exeristoidea) watsoni Viereck, 1924, Canadian Ent., vol. 56, p. 202; 9 • 

 Type: 9, Aylmer, Que. (Ottawa). 



Male: Unknown. 



Female: Front wing 15 to 18 mm. long; third tergite with moder- 

 ately convex tubercles, the tubercles with fine, rather distant punc- 

 tures and close fine aciculation; ovipositor sheath about 5.5 as long 

 as front wing. 



Black. Clypeus and mandible tinged with ferruginous; palpi 

 stramineous to brown, the labial palpu3 a little darker than the maxil- 



