12 BULLETIN 421, U. S. DEPARTMENT OF AGEICULTUEE. 



(12) Bagnall, R. S. 



1909. On the Thysanoptera of the Botanical gardens, Brussels. In Ann. Soc. 

 Ent. Belg., v. 53, p. 171-176. April 30. 

 Records this species as being equally common with Heliothrips haemorrhoidalis and var. abdomi- 

 nalis at Antwerp and Brussels, Botanical gardens, p. 174. ' 



(13) Bagnall, R. S. 



1911. Notes on some new and rare Thysanoptera (Terebrantia), with a prelimi- 

 nary list of the known British species. In Jour. Econ. Biol. v. 6, no. 1, 

 p. 11. Feb. 16. 

 Lists its occurrence in the British Isles, p. 10. 



(14) MouLTON, Dudley. 



1911. Synopsis, Catalogue, and Bibliography of American Thysanoptera, with 



Descriptions of New Species. U. S. Dept. Agr. Bur. Ent. Tech. Ser. 

 no. 21. 56 p., 6 pi. Jtme 13. 



(15) SCHILLE, FrIEDRICH. 



1912. Materialien zu einer Thysanopteren- (Blasenfiisse) und' CoUembolen- 



fauna Galiziens. In Ent. Ztschr., Jahrg. 25, no. 46, p. 240-242. 

 Feb. 10. 

 Mentions occurrence in greenhouses with Heliothrips haemorrlioidalis , hut not as common, 

 p. 240. 



(16) Hood, J. D. 



1914. Two Porto Rican Thysanoptera from sugar-cane. In Insecutor Insci- 



tiae Menstruus, v. 2, no. 3, p. 38^1. 1 fig. March. 

 Records occurrence on sugar cane at Rio Piedras, Porto Rico, and gives four new localities in 

 the United States, p. 38. 



(17) Bagnall, R. S. 



1915. Brief descriptions of new Thysanoptera. In Ann. and Mag. Nat. Hist., 



ser. 8, V. 15., p. 315-324. June. 

 Record of collections in German East Africa and on hanana palm, in company with Heliothrips 

 haemorrhoidalis in Spain, p. 317. 



(18) Foster, S. W., and Jones, P. R. 



1915. The Life History and Habits of the Pear Thrips in Calif omia. U. S. 

 Dept. Agr. Bui. 173. 52 p., 14 figs. April 13. 

 Records the parasite Thripoctenus russelli Crawford ovipositing in Heliothrips femoralis Reuter, 



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