392 Hymenoptera in America North of Mexico 



Rhadina Foerster, 1868. Naturh. Ver. Rheinlande, Verb. 25: 170. Preocc. by Billberg, 1828. 

 Type-species: Xylonomus ater Gravenborst. Monotypically included and desig. by 

 Scbmiedeknecbt, 1888. 

 Rhadhiopimpla Scbulz, 1906. Zool. Ann. 4: 23. N. name for Rhadina Foerster. 

 Xylonomimus Clement, 1938. Festscbr. Embrik Strand, v. 4, p. 539. 



Type-species: Xylonomus gracilicomis Gravenborst. Orig. desig. 

 Neoxylonomus Clement, 1838. Festscbr. Embrik Strand, v. 4, p. 566. Preocc. by Szepligeti, 

 1914. 



Type-species: Neoxylonomus strandi Clement. Monotypic. 

 Amphixylonomus Benoit, 1952. Soc. Ent. de Belg., Bui. et Ann. 88: 136. Described as a 

 subgenus, but treated nomenclaturally as a genus. 



Type-species: Amphixylonomus konduensis Benoit. Monotypic and orig. desig. 



This is a large subgenus of Holarctic, Oriental, Australian? (one sp. described as being from 

 New Guinea), and Ethiopian (one sp.) distribution. 



albopictus (Cresson). Que. s. to n. Ga., w. to central N. Dak., e. Nebr., and n.e. Tex. Ecology: 

 Parasite of Coleoptera which bore in hardwoods. Host: Saperda discoidea F., S. 

 tridentata Oliv., Scolytus multisfriatns (Mar.)? 

 Xyolonomus albopictus Cresson, 1870. Amer. Ent. Soc, Trans. 3: 168. 9. 

 Xorides Canadensis Provancher, 1875. Nat. Canad. 7: 248. 6 . 



Xylonomus {Moerophora) duplicatus Rohwer, 1913. U. S. Natl. Mus., Proc. 45: 356. S. 

 atrox Townes. Southeastern B. C. Known only from the holotype. 



Xorides (Xorides) atrox Townes, 1960. hi Townes and Townes, U. S. Natl. Mus. Bui. 216 

 (pt. 2): 520. 9 . 

 boharti Townes. Northwestern Calif. 



Xorides (Xorides) boharti Townes, 1960. In Townes and Townes, U. S. Natl. Mus. Bui. 216 

 (pt. 2):508. 6,9. 

 calidus (Provancher). Que. w. to s.e. Sask., s. to e. N. C. and Tex. Host: Amiiiscus macula 



(Say) in Castanea dentata, Curius dentatus Newm. in juniper, cerambycid in Castanea 

 dentata. 

 Xylonomus calidtcs Provancher, 1886. Addit. Corr. Faune Ent. Canada Hym., p. 119. 9. 

 Xylonomus pulcher Ashmead, 1890 (1889). U. S. Natl. Mus., Proc. 12: 450. 9. 

 Aplomenis nasonii Davis, 1895. Amer. Ent. Soc, Trans. 22: 32. 6 . 

 Xorides callid7is(l) Townes and Townes, 1951. U. S. Dept. Agr., Agr. Monog. 2: 205. 

 californicus (Cresson). Colo., n. N. Mex., n. Ariz., w. Mont., n. Idaho, s. B. C, Wash., Oreg., n. 

 Calif. Host: Buprestis viridisuturalis N. and W. in Populus trichocarpa, Chalcophora 

 angulicollis (LeC.) in Pinus ponderosa, Alaus oculatus (L.)?, sesiid? in Pinus 

 ponderosa. 

 Xylonomus californicus Cresson, 1879 (1878). Acad. Nat. Sci. Phila., Proc. 30: 380. 9. 

 Xylonomus catomus Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 372. 9. 

 cincticornis cincticornis (Cresson). Southwestern Alta. and s. B. C, s. to n. N. Mex., n. Idaho, 

 and e. and n.w. Oreg. Host: Anoplodera chrysocoma (Kby.)? in Pinus ponderosa 

 scopidorum. 

 Xylonomus cincticornis Cresson, 1865. Ent. Soc. Phila., Proc 4: 288. 9. 

 Xyloyiomus (Moerophora) modestus Rohwer, 1913. U. S. Natl. Mus., Proc 45: 358. 6. 

 cincticornis rufus Townes. Central Oreg., n.e. Calif. 



Xorides (Xorides) cincticornis rufus Townes, 1960. In Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 (pt. 2): 530. 6,9. 

 eastoni (Rohwer). Mass., Conn., Wis., s. B. C. 



Xylonomus (Moerophora) eastoni Rohwer, 1913. U. S. Natl. Mus., Proc. 45: 356. 9. 

 frigidus (Cresson). Que., Maine, Vt., Colo., n. Idaho, interior Alaska, s. Yukon, s.w. B. C, n.e. 

 Wash. 

 Xylonomus frigidus Cresson, 1870. Amer. Ent. Soc, Trans. 3: 168. 9 . 

 Xylonomus (Xylonomus) plesius Rohwer, 1913. U. S. Natl. Mus., Proc. 45: 354. 9. 

 Xylonomus (Moerophora) yukonensis Rohwer, 1913. U. S. Natl. Mus., Proc. 45: 355. 9. 



