THE GENOTYPES OF SAWFLIES AND WOODWASPS, 91 



Tetratneura Ashmead, Can. Ent., vol. 30, p. 256, 1898. 



Type: Monostegia ignota Norton (designated). 



=Einpria Lepeletier. 

 Themos Norton, Trans. Amer. Ent. Sec, vol. 1, p. 58, no. 19, 1867. 



Type: Themos hyalinus Norton* 

 Thomsonia Konow, Deutsch. ent. Zeitsclir., p. 227, 1884. 



Type: Perineura thomsonia Konow. 

 Thxinax Konow, Wien. ent. Zeit., vol. 4, pp. 19, 22, 1885. • ' 



Type: Strongylogaster contigua Konow (MacGillivray, 1908). 

 Thulea Say, Bost. Journ. Nat. Hist., vol. 1, no. 3, p. 214, 1836. 



Type: Thulea nigra Sa-y .* 

 Tomostethus Konow, Wien. ent. Zeit., vol. 5, pp. 184, 214, no. 7, 1886. 



Type: Tenthredo nigrita Fabricius. 

 Topotrita W. F. Kirby, List Hym. Brit. Mus., vol. 1, p. 48, no. 27, 1882. 



Type: Hylotoma {Schizocera) leucocephala 'Klug* 

 Trachelus Jurine, Nouv. Method. Class. Hym., p. 70, pi. 2, fig. 9, 1807. 



Type: Sirex tahidus Fabricius. 

 Trailia Cameron, Trans. Ent. Soc. Lond., p. 148, 1878. 



Type: Trailia analis Cameron. 

 Tremex Jurine, Nouv. Method. Class. Hym., p. 80, 1807. 



Type: Sirex fusdcornis Fabricius (Latreille, 1810). 

 Trichiocampus Hartig, Fam. Blatt. Holzwesp., p. 176, 1837. 



Type: Nematus grandis Lepeletier. 

 = Tenthredo viminalis Fallen. 

 Trichiosoma Leach, Zool. Misc., vol. 3, p. 108, no. 2, 1817. 



Type: Tenthredo lucorum Linnaeus (Curtis, 1824). 

 Trichiosomites Brues, Bui. Mus. Comp. Zool., vol. 51, no. 10, p. 259, March, 1908. 



Type: Trichiosomites obliviosus Brues.* 

 Trichorhachus W. F. Kirby, List Hym. Brit. Mus., vol. 1, p. 39, no. 21, 1882. 



Type: Trichorhachus nitidus W. F. Kirby. 

 Trichorrhachus Konow, Genera Insectorum, fasc. 29, p. 15, 1906. 



Misspelling of Trichorhachus. 

 Trichotaxonus Rohwer, Proc. Ent. Soc. Wash., vol. 12, p. 30, 1910. 



Type: Trichotaxonus readi Rohwer (designated). 

 Tristactus Konow, Ann. k. k. Hofmus., Wien., vol. 12, p. 12, 1897. 



Type: Lyda judaicus Lepeletier.* 

 Tristegus Konow, Zeitschr. syst. Hym. Dipt., vol. 6, p. 370, 1906. 



Type: Tristegus mimarius Konow.* 

 Tritokreion Schilling, tjbers. Arbeit, schles. Ges. Vaterl. cultur., i,j, p. 43, 1825. 



No species. 

 Troch.oph.ora Konow, Zeitschr. syst. Hym. Dipt., vol. 5, p. 158, 1905. 



Type: Trochophora duckei Konow.* 

 XJrocerites Heer, Denkschr. echweiz. Ges. Natur., vol. 22, p. 36, 1867. 



Type: Urocerites spectabilis Heer. 

 TJrocerus (Geoffrey) Latreille. Geoffroy, Hist. Abr. Ins., vol. 2, p. 264, 1762; 

 Latreille, Hist. Nat. Crust. Ins., p. 304, 1802. 



Type: Sirex gigas Linnaeus (Westwood, 1840). 



= Sirex Linnaeus. 

 Waldheimia Brull^, Hist. Nat. Ins. Hym., vol. 4, p. 665, 1846. 



Type: Waldheimia hraziliensis Lepeletier (designated). 



