Superfamily TENTHREDINOIDEA 61 



aquilegiae (Vollenhoven). Ont.; Europe. Introduced. Host: Aquilegia. 

 Nematus aquilegiae Vollenhoven, 1866. Tidskr. v. Ent. 11: 202. 9. 



Biology: McNay, 1963. Canad. Ins. Pest Rev. 41: 103. — McNay, 1964. Phytoprotection 45: 91. 

 banksi Marlatt. N. Y. to N. C; Wyo. Host: Vacciniiim. 



Pristiphora bayiksi Marlatt, 1896. U. S. Dept. Agr. Div. Ent. Tech. Ser. 3: 117. 9 (male 

 misdet.). 

 bivittata (Norton). Prince Edward Is., N. B. w. to B. C. s. to N. C, III, Iowa, Oreg. Ecology: 

 Widespread. Host: Spiraea. 

 Nematus bivittatus Norton, 1861. Boston Soc. Nat. Hist., Proc. 8: 158. 9. 

 Neviatus luteolus Norton, 1867. Amer. Ent. Soc, Trans. 1: 200. 6. 



Pachynematus occidentalis Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 109. 3. 

 Pristiphora dyari Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 118. 9. N. syn. 

 Pristiphora koebelei Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 119. 9. 

 Pristiphora occidentalis Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 121. 6. 



Preocc. by occidentalis Marlatt on p. 109 of same publication. 

 Periclista patchi MacGillivray, 1923. 111. Univ. Bui. 20(50): 29. 9. 



Biology: Neilson, 1958. Canad. Ent. 90: 229-234. 

 borea (Konow). Labrador, Que. w. to Alaska, B. C; Europe. Host: Betula, Salix. 

 Lygaeonematus boreus Konow, 1904. Ztschr. System. Hym. Dipt. 4: 253. 9, d. 

 Nematus astutus Cameron, 1885. Monog. Brit. Phytophagous Hym., v. 2, p. 77. 9. 



Synonymy may be questionable. 

 Pachynematus lappo^iicus Enslin, 1916. Deut. Ent. Ztschr., Beih., p. 463. 9,6. 



Taxonomy: Benson, 1962. Brit. Mus. (Nat. Hist.) Ent., Bui. 12: 395. 

 breadalbanensis (Cameron). Que., N. W. T., Man., Colo., Alta., Yukon, Alaska, B. C; Europe. 



Nematus breadalbanensis Cameron, 1882. London Ent. Soc, Trans., p. 531. 



Nematus Whitei Cameron, 1878. Fauna Scotland, v. 1, p. 35. 6. Synonymy may be 

 questionable. 



Lygaeonematus tromsoensis Kiaer, 1898. Tromsoe Mus. Aarsh. 19: 48. 



Lygaeonematus corpulentus Konow, 1904. Ztschr. System. Hym. Dipt. 4: 252. 9, cJ. 



Lygaeonematus arcticola Enslin, 1916. Deut. Ent. Ztschr., Beih., p. 514. 9, <J. 

 cadma Wong and Ross. Ont., Sask., Alaska, B. C. Host: Betula. 



Pristiphora cadma Wong and Ross, 1960. Canad. Ent. 92: 198. 9. 



carolinensis Marlatt. N. C. 



Pristiphora carolinensis Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 120. 3. 



Possibly belongs in Pachynematus. 

 chlorea (Norton). N. B. to Fla. w. to Man., Oreg., Tex. Host: Quercus. 

 Nematus chloreus Norton, 1867. Amer. Ent. Soc, Trans. 1: 221. 9. 

 Nematus pallifrons Cresson, 1880. Amer. Ent. Soc, Trans. 8: 6. 6. 

 Nematus decoratus Provancher, 1888. Addit. Corr. Faune Ent. Canada Hym., p. 349. S. 

 Pteronus quercus Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 67. 9. Preocc. in 



Pristiphora by Hartig, 1837. 

 Nematus pergandei Marlatt, 1896. U. S. Dept. Agr., Div. Ent. Tech. Ser. 3: 90. 9. 

 Amauronematus vacalus MacGillivray, 1923. 111. Univ. Bui. 20(50): 6. 9. N. syn. 

 cincta Newman. Newfoundland w. to N. W. T., Alaska s. to Ala., Tenn., Mich., Minn., Colo., B. 



C; Europe. Ecology: Widespread. Host: Betula, Vaccinium, Salix. 

 Pristiphora ciyicta Newman, 1837 (January). Ent. Mag. 4: 259. 

 Nemattis quercus Hartig, 1837 (March). Fam. Blattwespen und Holzwespen, nebst 



Einleitung Naturgesch. Hym., p. 188. 

 Tenthredo borealis Zetterstedt, 1838. Ins. Lapponica 1: 353. 9. 

 Nemattis idiota Norton, 1867. Amer. Ent. Soc, Trans. 1: 177. 6. 

 Nematus identidem Norton, 1867. Amer. Ent. Soc, Trans. 1: 177. 9. 

 Pristiphora hoodi Marlatt, 1896. U. S. Dept. Agr. Div. Ent. Tech. Ser. 3: 119. 9. Synonymy 



questionable. 

 Pristiphora coloradensis Marlatt, 1896. U. S. Dept. Agr. Div. Ent. Tech. Ser. 3: 121. 6. 



Synonymy questionable. 

 Pristiphora idiotiformis Rohwer, 1910. U. S. Natl. Mus., Proc 38: 199. 9. 



