38 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



♦Genus PYGOSTOLUS Holiday 



Pygostolus Haliday, 1833. Ent. Mag. 1 : 263. 



Type : Cry plus stricticus Fabricius. By monotypy. 

 Insert in Blacinae after Syrrhizus Foerster, p. 110. 



*falcatu8 (Nees). Man. Host: Sitona cylindricollis Fahr.; in Europe, Sitona 

 lineatus (L.), S. humeralis Steph., S. hispidulus (F.). 

 Leiophron falcatus Nees, 1834, Hym. Ichn. Aff. Monogr., v. 1, p. 44. .9 

 Biology: Loan and Holdaway, 1961. Bui. Ent. Res. 62: 473-488.— Loan, 

 1961. Jour. Econ. Ent. 54: 1026-1031.— Loan, 1963. Ent. Soc. 

 Amer. Ann. 56: 605-606. 



Genus ORGILUS Holiday, p. 1 11 



dioryctriae Rohwer. Host: Dioryctria auranticella (Grote). 



gelechiae (Ashmead). N. S., P. E. I., Que., Ont. Hosts: Lithocolletis sp., 

 Gracilaria sp. on Cornus canadensis. 



obscurator (Nees). Que., Ont., Mass., R. I., N. Y., N. J., W. Va., Mich. Hosts 

 (in Europe): Semasia hypericana (Hbn.), Exoteleia dodecella 

 (L.). 

 Biology: Watson and Arthur, 1959. Canad. Ent. 91: 481.— Miller, 1960. 

 Jour. Econ. Ent. 53: 318.— Juillet, 1960. Canad. Ent. 92: 342-346. 

 — Leius, 1960. Canad. Ent. 92: 371-375.— Juillet, 1960. Canad. 

 Ent. 92: 701-704.— Dowden, 1962. U. S. Dept. Agr., Agr. Handb. 

 226, p. 62. 



Genus EUBADIZON Nees, pp. 111-112 



'''definituin Muesebeck. Oreg., Calif. Hosts: Conophthorus ponderosae Hopk., 

 Ernobius sp. 

 Eubadizon definitum Muesebeck, 1957. Brooklyn Ent. Soc. Bui. 52: 53. 

 9, $. 



*electuin Muesebeck. Oreg., Calif.; B. C. Host: Phymatodes sp. 



Eubadizon electum Muesebeck, 1957. Brooklyn Ent. Soc. Bui. 52: 54. 9, 



*emobu Muesebeck. Calif., Oreg. Host: Ernobius sp. 



Eubadizon ernobii Muesebeck, 1957. Brooklyn Ent. Soc. Bui. 52: 51. 9, 



*extensor (Linnaeus). Europe, U. S., South. Canada, Japan. Hosts: Choris- 

 toneura muriana (Hbn.), Depressaria heracleana (L.), Epinotia 

 nigricana (H-S.), E. p^isillana Peyer., Spilonota lariciana Hein., 

 Zeiraphera griseana CRhn.) , Z. rufimatrana (H.-S.). 



Ichneumon extensor Linnaeus, 1758. Syst. Nat., 10th Ed., p. 564. 



Eubadizon pleurale Cresson, 1872. N. syn. (based on comparison of type 

 with material from Europe and Japan by C. F. W. Muesebeck). 



Biology: Capek, 1956. Biologia 11: 602.— Allen, 1962. U. S. Dept. Agr. 

 Tech. Bui. 1265, pp. 27-29. 



gracile Provancher. N. H., Mass., Wis., Minn., Oreg. Hosts: Acleris variana 

 (Fern.), Eucordylea ducharmei Freem., Evagora starki (Freem.), 

 Recurvaria apicitripunctella (Clem.). 

 Biology: SchaflFner, 1959. U. S. Dept. Agr. Misc. Pub. No. 767, p. 57.— 

 Stark, 1961. Canad. Jour. Zool. 39: 895. 



"'salicicola Muesebeck. Calif. Host : Dorytomus sp. on willow. 



Eubadizon salicicola Muesebeck, 1957. Brooklyn Ent. Soc. Bui. 52: 55. 



9, $. 



Genus STANTONIA Ashmeod, p. 1 1 2 

 carpocapsae Muesebeck. Tex. 



Genus MICROTYPUS Rotzeburg, p. 113 

 dioiyctriae Rohwer. Host: Dioryctria auranticella (Grote). 



