60 Hymenoptera in America North of Mexico 



Genus EITELIUS Kontuniemi 



Eitelius Kontuniemi, 1966. Ann. Ent. Fenn. 31: 46. 



Type-species: Pachynematus dentatus Lindqvist. Orig. desig. 



Prior to 1967, the species below was placed in the genus M icronematus Konow which is now a 

 synonym of Pristiphora. 



Taxonomy: Wong, 1967. Canad. Ent. 99: 1101-1104. 

 gregarius (Marlatt). N. S., Mass., Conn., N. J. Host: Salix. 



Pachynematus gregarius Marlatt, 1896. Canad. Ent. 28: 256. 9,6. 

 Pachynematus varus MacGillivray, 1921. N. Y. Ent. Soc, Jour. 29: 30. 9. 

 Pontania decrepita MacGillivray, 1921. N. Y. Ent. Soc, Jour. 29: 33. 9. 



Genus PRISTIPHORA Latreille 



Pristiphora Latreille, 1810. Consid. Generales Crust. Arachn. Ins., p. 294. 



Type-species: Pieronus testaceus Jurine. Orig. desig. 

 Diphadnus Hartig, 1837. Fam. Blattwespen und Holzwespen, nebst Einleitung 

 Naturgesch. Hym., p. 225. 



Type-species: N ematus fuscicomis Hartig. Desig. by Rohwer, 1911. 

 Lygaeonematus Konow, 1890. Deut. Ent. Ztschr., pp. 233, 238, 247. 



Type-species: Nematus pini Retzius. Desig. by Rohwer, 1911. 

 Micronematus Konow, 1890. Deut. Ent. Ztschr., pp. 233, 239, 248. 



Type-species: Neynatus pullus Foerster. Desig. by Rohwer, 1911. 

 Gymnonychus Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 122. 



Type-species: Gymnonychus califomicus Marlatt. Orig. desig. 

 Neotomostethus MacGillivray, 1908. Canad. Ent. 40: 290. 



Type-species: Neotomostethus hyalinus MacGillivray. Orig. desig. 

 Pristiphora subg. Sala Ross, 1937. 111. Biol. Monog. 15(2): 85. Preocc. by Walker, 1867. 



Type-species: Nematus chloreus Norton. Orig. desig. 

 Lygaeonematus subg. Lygaeotus Lindqvist, 1952. Notulae Ent. 32: 82. Invalid, type-species 



not designated. 

 Lygaeonematus subg. Lygaeophora Lindqvist, 1952. Notulae Ent. 32: 82. Invalid, 

 type-species not designated. 



A large, nearly cosmopolitan genus with diverse host plants. Two species from southern Brazil 

 are the only known South American Nematinae. Several phyletic lines are evident in this genus 

 which will eventually allow separation into more convenient species groupings. 



Revision: Marlatt, 1896. U. S. Dept. Agr. Div. Ent. Tech. Ser. 3: 113-125. 

 Taxonomy: Benson, 1962. Brit. Mus. (Nat. Hist.) Ent., Bui. 12: 394-396 (holarctic species). 

 abbreviata (Hartig). Ont., Conn, to Va. w. to Wis., Kans., Colo., Utah; B. C, Wash., Oreg., 



Calif.; Europe. Ecology: A pest of pear trees. Larva feeds on foliage. Introduced. Host: 

 Pyrus communis. California pearslug. 

 Nematus abbreviatus Hartig, 1837. Fam. Blattwespen und Holzwespen, nebst Einleitung 



Naturgesch. Hym., p. 205. 9. 

 Gymnonychus califomicus Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 122. 9. 



Taxonomy: Smith, 1967. Ent. Soc. Wash., Proc. 69: 92 (distribution). —Wong, 1967. Canad. 

 Ent. 99: 1101 (compared with species of Eitelius). 



Biology: Nougaret, Davidson, and Newcomer, 1916. U. S. Dept. Agr., Bui. 438, 24 pp. 



Morphology: Zocchi, 1948. Bol. Ent. Bologna 17: 225-232 (external structure of adult and 

 larva). 

 acidovalva Wong. N. B., Que. w. to B. C, Calif. Host: Salix. 



Pristiphora acidovalva Wong, 1969. Canad. Ent. 101: 970. 9, 6. 



Biology: Lindquist and Miller, 1969. Canad. Ent. 101: 973-975 (also description of larva). 

 aphanta Wong and Ross. Que., Ont., N. Y. 



Pristiphora aphanta Wong and Ross, 1960. Canad. Ent. 92: 196. 9. 



