Superfamily ICHNEUMONOIDEA 709 



erythraeus Dasch. Alta., s.e. B. C. Ecology: Reared or presumed to have been reared from 

 parasites of the following-- Eupithecia placidata Tay., Neoalcis califoniiaria f. 

 latifaciaria (Pack.), Semiothisa "granitata" auct., and Anomogyna sp. Host: Hyposoter 

 sp. 

 Mesochorus erythraeus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 191. S, 9. 



exsertus Dasch. N. S. w. to Yukon and Alaska, s. to Md., n.w. S. C, e. S. Dak., Colo., Ariz., and 

 Oreg. Ecology: Reared or presumed to have been reared from parasites of the 

 following- Seniiotliisa "granitata" auct., Neodiprion sp., Cimbex americajia Leach, and 

 Trichiosoma triangulin)i Kby. Host: Enicospilus merdarius (Gravenhorst). 

 Mesochorus exsertus Dasch, 1971. Amer. Ent. Inst, Mem. 16: 156. 6, 9. 

 flavidus Dasch. Pa., w. N. C, Ohio, Tenn., e. Kans. 



Mesochorus flavidus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 123. 6, 9. 

 foersteri Dasch. N. S., n. Man. and s.w. Yukon, s. to Pa., Mich., Colo., w. Mont., and s. B. C. 



Mesochorus foersteri Dasch, 1971. Amer. Ent. Inst., Mem. 16: 107. 9. 

 fuliginatus Dasch. Newfoundland (Labrador) w. to n. B. C, s. to Maine, Mich., N. Mex., Utah, 

 and n.e. Cahf. Ecology: One specimen can be presumed to have been reared from a 

 parasite of the chrysomelid, Pyrrhalta decora carbo (LeC). 

 Mesochorus fuliginatus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 90. 6, 9. 

 gelidus coriaceus Dasch. Northern Que., n.e. N. W. T., n. Yukon. 



Mesochorus gelidus coriaceus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 204. 6,9. 

 gelidus gelidus Dasch. Colo. Ecology: The four type specimens were collected on Mt. Evans, 

 Colo, at elavations between 9800 ft. and 13200 ft. 

 Mesochorus gelidus gelidus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 204. 6,9. 

 gemmatus Dasch. Que., N. Y., Pa., Md., Ohio, s. Mich. 



Mesochorus gemmatus Dasch, 1971. Amer. Ent. Inst, Mem. 16: 111. 6, 9. 

 globulator (Thunberg). Southern Man., w. N. W. T., Alta.; Europe. Host: Mesoleius 

 tenthredinis Mori., Olesicampe benefactor Hinz. 

 Ichneumon globulator Thunberg, 1822; 1824. Acad. Imp. des Sci. St. Petersbug, Mem. 8: 



266; 9: 322. [female]. 

 Mesochorus dimidiatus Holmgren, 1860 (1858). Svenska Vetensk.-Akad. Handl. (n. f.) 2 (8): 



118. 6. 

 Mesochorus crassiynanus Holmgren, 1860 (1858). Svenska Vetensk.-Akad. Handl. (n. f.) 2 

 (8): 125. 9. 



Taxonomy: Roman, 1912. Ent Tidskr. 33: 67 (syn.). —Roman, 1912. Zool. Bidr. Uppsala 1: 

 258 (syn.). 

 grandisops Dasch. Southern B. C, Wash., Calif.; n. Mexico. Ecology: Reared or presumed to 

 have been reared from parasites of the following- Lambdina fiscellaria lugubrosa 

 (Hulst), Melanolophia imitata (Wlk.), Nepytia canosaria (Wlk.), and Semiothisa 

 "grayiitata" Host: Meteorus hyphantriae Riley. 

 Mesochorus grandisops Dasch, 1971. Amer. Ent Inst., Mem. 16: 189. 6, 9. 

 hamatus Townes. Que. s. to Md., w. to n.w. Mich, and e. Kans. 



Mesochorus basalis Cresson, 1872. Canad. Ent. 4: 22. 9. Preocc. by Curtis, 1833. 

 Mesochorus hamatus Townes, 1945. Amer. Ent Soc, Mem. 11: 753. N. name for basalis 

 Cresson. 

 Hesperus Dasch. Southern Alta., s.w. Yukon. 



Mesochorus hesperus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 211. 6. 

 hirticoleus Dasch. Northwestern S. C, n. Fla., Iowa, s. La. 



Mesochorus hirticoleus Dasch, 1971. Amer. Ent Inst, Mem. 16: 137. 6,9. 

 holmgreni Dasch. Maine, R. I., w. Va., n. Fla., Ohio, n. Wis. Ecology: One of the paratypes can 

 be presumed to have been reared from a parasite of Heterarthrus nemoratus (Fall), but 

 the holotype was collected at light in northern Fla. 

 Mesochorus holmgreni Dasch, 1971. Amer. Ent. Inst., Mem. 16: 84. 6, 9. 

 imitatus Dasch. R. I., N. Y., Pa., W. Va., n.w. S. C, Ohio, Mich. 



Mesochorus imitatus Dasch, 1971. Amer. Ent. Inst., Mem. 16: 152. 6, 9. 



