INSECUTOR INSCITI^ MENSTRUUS 41 



The divided sixth antennal segment and the elongate ter- 

 minal segment of the abdomen serve to separate it from the 

 allied O. ajugce Uzel, from Europe, with which it has been 

 compared. 



Oxythrips ajugae Uzel, 1895. 



1895. Oxythrips ajuga Uzel, Monogr. d. Ordn. Thys., p. 136, PI. 



V, fig. 67. 

 1895. Oxythrips ajugce var. bicolor, idem, ibidem. 

 1908. Oxythrips ajuga, Bagnall, Ent. Mo. Mag., 2d Ser., Vol. 



XIX, p. 5. 



1911. Oxythrips ajugce, Bagnall, Journ. Econ. Biol., Vol. VI, pp. 

 5, 10. 



1912. Oxythrips ajugce var. bicolor, Schille, Ent. Zeitschr., Jahrg. 

 XXV, p. 236. 



1912. Oxythrips ajugce, Bagnall, Journ. Econ. Biol.. Vol. VII, p. 

 191. 



1913. Oxythrips ajugce, Williams, Journ. Econ. Biol., Vol. VIII, 

 p. 220. 



1913. Oxythrips ajtigce, Bagnall, Journ. Econ. Biol., Vol. VIII, 

 p. 234. 



1914. Oxythrips ajugce, Priesner, Wien. Ent. Zeit., XXXIII Jahrg., 

 p. 190. 



Distribution: Austria, England. 



I am indebted to Mr. Williams for my material of this 

 species. 



Oxythrips ulmi (Bagnall), 1913. 



1913. Scirtothrips ulmi Bagnall, Journ. Econ. Biol., Vol. VIII, 

 pp. 232, 233. 



Distribution: England. 



The writer has elsewhere ^ pointed out the diagnostic char- 

 acters of the genus Scirtothrips Shull. The present species 

 is apparently a true Oxythrips. Authentic topotypic material 

 is before me. 



Oxythrips firmus Uzel, 1895. 



1895. Oxythrips firma Uzel, Monogr. d. Ordn. Thys.. p. 138, PI. 



V, figs. 68, 69 ; PI. VI, fig. 71. 

 1911. Oxythrips firmus, Bagnall, Journ. Econ. Biol., Vol. VI, p. 5. 



iProc. Ent. Soc Wash., Vol. XVI, 1914, p. 37. 



