Superfamily TENTHREDINOIDEA 93 



pallescens (Gmelin). Newfoundland to N. Y. w. to Mich.; B. C; Europe. Introduced (?). Host: 



Ranunculus. The host was recorded in Europe. 

 Tenthredo albipes Gmelin, 1790. In Linnaeus, Syst. Nat., Ed. 13, p. 2667. Preocc. by 



Geoffroy, 1785. 

 Tenthredo pallescens Gmelin, 1790. In Linnaeus, Syst. Nat., Ed. 13, p. 2668. 

 Selajidria tiliae Norton, 1861. Boston Soc. Nat. Hist., Proc. 8: 221. 9. 

 Monophadnus bipurictatus MacGillivray, 1908. Canad. Ent. 40: 292. 9. 

 Monophadnus furvus Benson, 1930. Entomologist 63: 107. Unnecessary n. name for 



bipunctata MacGillivray, but also preocc. by Konow, 1898. 



Genus STETHOMOSTUS Benson 



Stethomostus Benson, 1939. Ent. Monthly Mag. 75: 111. 



Type-species: Tenthredo fuliginosa Schrank. Orig. desig. 

 fuliginosus (Schrank). N. S., Que. to Md. w. to Mich.; Europe; Japan. Introduced (?). Host: 

 Ranunculus. 

 Tenthredo fuliginosa Schrank, 1781. Enum. Ins. Austriae, p. 334. 

 Tenthredo (Selandria) fiiscus Lepeletier, 1823. Monog. Tenthred., p. 106. 6. 

 Tenthredo (Selandria) fraxini Lepeletier, 1823. Monog. Tenthred., p. 106. 9,6. 

 Monophadnus fukaii Rohwer, 1910. U. S. Natl. Mus., Proc. 39: 108. 9, d. 



Genus EUTOMOSTETHUS Enslin 



Tomostethus subg. Eutomostethus Enslin, 1914. Deut. Ent. Ztschr., Beih., p. 286. 



Type-species: Tenthredo luteiventris Klug. Orig. desig. 

 Tomostethus subg. Atomostethus Enslin, 1914. Deut. Ent. Ztschr., Beih. p. 287. 



Type-species: Tenthredo ephippium Panzer. Orig. desig. 

 Tomostethopsis Sato, 1928. Insecta Matsumurana 2: 178. 



Type-species: Tomostethopsis metallicus Sato. Orig. desig. 

 Forsia Malaise, 1932. Arkiv for Zool. 23: 29. 



Type-species: Forsia tomostethi Malaise. Orig. desig. 



Most of the species of this genus are found in Asia. 



ephippium (Panzer). Newfoundland, N. S., Que., Ont. s. to Md.; Tex.; B. C, Wash.; Europe, N. 

 Africa, Asia Minor. Introduced (?). Host: Poa and other Gramineae. Hosts recorded in 

 Europe. 

 Tenthredo ephippium Panzer, 1798. Faunae Ins. German., heft 52, pi. 5. 9. 

 Selandria inhabilis Norton, 1861. Boston Soc. Nat. Hist., Proc. 8: 220. 9. 

 luteiventris (Klug). N. S., Que. to Md. w. to Mich.; Alta., B. C, Wash., Oreg.; Europe. Ecology: 

 Larva bores in sterile shoots of Juncus until last instar when it emerges and feeds 

 externally, according to European observations. Introduced (?). Host: Juncus. 

 Tenthredo luteiventris Klug, 1814. Mag. Gesell. Naturf. Freunde Berlin 8: 56. 

 Tenthredo (Selandria) fuscipennis Lepeletier, 1823. Monog. Tenthred. p. 107. 9, cJ. 



Tribe BLENNOCAMPINI 



Genus ARDIS Konow 



Ardis Konow, 1886. Wien. Ent. Ztg. 5: 184, 188. 



Type-species: Tenthredo (Allantus) bipunctata Klug. Desig. by Rohwer, 1911. 

 Valco Ross, 1937. 111. Biol. Monog. 15(2): 99. 



Type-species: Selandria irrogata Cresson. Orig. desig. 



A small holarctic genus associated with roses. 



atrata (Harrington). B. C., Wash., Oreg., CaHf. Ecology: Adults collected from Rosa. 

 Monophadnus at rat us Harrington, 1894. Canad. Ent. 26: 193. 6. 

 Monophadnoides circina MacGillivray, 1923. 111. Univ. Bui. 20(50): 24. i. 

 Paracharactus obtentus MacGillivray, 1923. 111. Univ. Bui. 20(50): 28. 9. 



