TENTHREDINIDAE 25 



*pravus Konow. Alaska; N, Eurasia. Host: Salix sp. 



Amauronematus pravus Konow, 1896. Termes. Fuzetek 18: 176. $. 



*sagmarius Konow. Ont., Man., Alta., N. W. T., Alaska; Circumboreal. Host: 

 Salix sp. 

 Amauronematus sagmarius Konow, 1896. Termes. Fuzetek 18: 177. 5, 5- 



*seinilacteus (Zaddach). B. C; N. and Cent. Europe. Host: Salix sp. 



Nematus semilacteus Zaddach, 1883. Phys. Okon. Ges. Konigsb. Schr, 

 24: 148. $. 



*8tordalensis (Strand). N. W. T., Alaska. 



Nematus stordalensis Strand, 1905. Second Norw. Arctic Exped. "Fram" 



Rpt., no. 3, p. 7. 9, $. 

 *Nematus marginifer Strand, 1905, loc. cit. supra, p. 8. $. (Syn. by 



Benson, 1962, loc. cit. supra, p. 400.) 

 Amauronematus cogitatus MacGillivray, 1919 (syn. by Benson, 1962, loc 



cit. supra, p. 400) . 

 Amauronematus varianus MacGillivray, 1919 (syn. by Benson, 1962, loc 

 cit. supra, p. 400) . 



suavis (Ruthe). Syn. of amentorum (Foerster). 



*tillbergi Malaise. N. W. T., Alaska; Arctic Europe and Siberia. Hostx 

 Salix sp. 

 Amauronematus tillbergi Malaise, 1920. Ent. Tidskr. 40: 125. 9. 



unga (Kincaid). Syn. of leucolaenus (Zaddach). 



*variator (Ruthe). Man., N. W. T., Yukon; Circumboreal. Host: Salix sp 

 Nematus variator Ruthe, 1859. Stett. Ent. Ztg. 20: 308. ?. 



varianus MacGillivray. Syn. of stordalensis (Strand). 



*viduatus (Zetterstedt) . Ont., Sask., Oreg.; Europe. 



Tenthredo viduata Zetterstedt, 1838. Ins. Lap., v. 1, p. 351. 9. 

 Amauronematus orbitalis Marlatt, 1896 (syn. by Benson, 1962, loc. cih. 

 supra, p. 402). 



Unplaced Nematinae, pp. 54—55 



*Nematus desmodioides Walsh, 1866. Ent. Soc. Philad. Proc. 6: 257. 9, $. 



[Has been considered the same as N. inquilinus Walsh, 1866; the 

 latter is also unplaced.] 



*Nematus latus Cresson, 1880. Amer. Ent. Soc. Trans. 8: 4. ?. 

 Nomenclature: Catalog, p. 43, under ventralis Say. 



Nematus neglectus Kirby. Transf. to Amauronematus Konow. 



Pontania salicum Cockerell in Aldrich, 1905. Smiths. Misc. Coll., v. 46, p. 

 163. Nam. nud. 



EMPRIA subgenus EMPRIA Lepeletier, pp. 55-56 



^candidata (Fallen). N. Que. and N. W. T. west to Alta. and Yukon; 

 Circumpolar. Host: Betula sp. 

 Tenthredo candidata Fallen, 1807. Svenska Vetensk. Akad. Handl. 28: 



105. 

 Distribution: Benson, 1962, loc. cit. supra, p. 390. 



Genus ALLANTUS Panzer, pp. 58-59 



basalis (Klug). Host: Rose. 



Genus ARDIS Konow, p. 66 



sulcata (Cameron). Delete from Catalog; a misidentification {teste D. R. 

 Smith, 1965. Pan-Pacific Ent. 41: 9). 



*brunniventris (Hartig). Holarctic; Ont. south to N. C. west to B. C. and 



Calif. 

 Monophadnus brunniventris Hartig, 1837. Fam. Blattw. und Holzw., p. 



274. 9. 

 Biology: Middlekauff, 1958. Pan-Pacific Ent. 43: 202 (sulcata Cameron). 



