NO. 1310. NORTH AMERICAN TIIYSA NO PTERA— HINDS. 179 



Althoug-h this is the largest genus of the order, I have here found 

 but two species which I can place in it. These two may ])e easily 

 distinguished by their colors. 



Head brown, thorax reddish l)rown, al)domen yellow or gray-hrown. perjHej'us{Y). 184). 

 Color uniformly light yellowish varying to brownish yellow tahaci (p. 179). 



THRIPS TABACI Lindeman. 



ONION THRirs. 



Plate VII, figs. 69-71. 



f Liittofhrips trilicl Packard, 2(1 Ann. Rept. Ins. of Mass., 1872, pp. .5-8, 2 tigs.; 

 19th Ann. Rept. Secy. Mass. Bd. Agr. for 1871, pp. 333-3.36, 2 figs.; reprinted 

 in 9th Ann. Rept. U. S. Geol. Geog. Surv. Territories for 187.5, pp. 742-744, 

 pi. Lxvii, figs. 3-5. 



Thrips on onion plants, Shipley, Bull. 10, IVIiscell. Information Roy. Gardens, 



1887, p. 18. 



Tlirips tiibaci Lindeman, Die schadlichsten Insekten des Talmk in Bessarabien, 



1888, p. 15, 61-75. 



Thrips sp. Thaxter, Ann. Rept. C^onn. Exp. Sta. for 1889, 1889, p. 180. 



Thrips sp. Riley-Howard, Insect Life, III, 1891, p. .301. 



Thrips tahaci Ritzema Bos, Tierische Schtidlinge und Niitzlinge, 1891, pp. 577, 



578. 

 Thrips tahaci Targioni-Tozzetti, Animali ed Insetti del Tobacco in Erbal del 



Tobacco Secco, 1891, pp. 222-224. 

 Thrips sp. Lintner, Count. Gent., LVII, Oct. 27, 1892, p. 809; Abstract in 9th 



Rept. Ins. N. Y., p. 445. 

 Limothrips sp. Baker, Amer. Florist, VII, 1892, p. 168, fig. 

 Thrii)s striata ? Gillette, Ann. Rept. Col. Exp. Sta. for 1892, 1892, p. 36. 

 Thrips on onions, Webster, Ins. Life, V, 1892, p. 127. 



Thrips striatvs Ctillette, Bull. 24, Col. Exp. Sta., 1893, pp. 13-15, figs. 11, 12. 

 Thrips striatus Riley-Howard, Ins. Life, VI, 1893, pp. 4-5, 343. 

 Thrips striatus ? Gillette, 5th Ann. Rept. Col. Agr. Exp. Sta. for 1892, 1893, 



p. 36; 6th Ann. Rept. Col. Agr. Exp. Sta. for 1893, p. 55. 

 Onion Thrips, Smith, Ann. Rept. N. J. Agr. Col. Exp. Sta. for 1893, 1894, p. 441. 

 Limothri])s tritici Webster, Ins. Life, VII, 1894, p. 206. 

 Thrips alia Sirrine and Lowe, Bull. 83, N. S., N. Y. Agr. Exp. Sta., 1894, pp. 



680-683, pi. II. 

 Thrips alia Webster, Ohio Farmer, Aug. 2, 1894, p. 97; Aug. 2.3, 1894, p. 157; 



Nov. 7, 1894, p. 373. 

 Thrips alia Sirrine and Lowe, 13th Ann. Rept. N. Y. Exp. Sta. for 1894, 1895, 



pp. 758-760, pi. 

 Thrips aim Osborn-Mally, Bull. 27, Iowa Agr. Exp. Sta., 1895, pp. 139-142. 

 Thrips tahaci Pergande, Ins. Life, VII, 1895, pp. 392-395. 

 Limothrips tritici Web.ster, Bull. 58, Ohio Agr. Exp. Sta., 1895, pp. xxxiii- 



xxxiv, fig. 3; also in Ins. Life, VII, 1895, p. 206. 

 Thrips communis Uzel, Mon. d. Ord. Thysanoptera, 1895, pji. 176-179, pi. vi, 



fig. 100. 

 Thrips tahaci Uzel, Mon. d. Ord. Thysanoptera, 1895, p. 447. 

 ThrijJS tahaci Slingerland, Rural New Yorker, LV, 1896, p. 561. 

 Thrips tahaci P'rank, Die tierparasitiiren Krankheiten der Pflanzen, 1896, 



}). 134. 

 ? Thrips sp. near (abaci Davis, Special Bull. 2, Mich. Agr. Exp. Sta., 1896, p. 13. 



