145 



Order THYSANOPTERA 



Family Heterothripidae 

 Heterothrips arisaemae Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VHI, Art. II. August 22, 1908, p. S62. 

 Paratype. — 9: Urbana, Illinois, Brownfield Woods (Augerville), in flow- 

 ers of Jack-in-the-pulpit — (Arisaema triphyllum Tott.), May 18, 1907 (F- 

 C. Gates). Slide No. 3265. 

 The genotype of Heterothrips Hood (Monobasic). 



Family Phloeothripidae 

 Allothrips megacephalus Hood 



Bull. 111. State Lab. Nat. Hist.. Vol. VIII, Art. II, August 22, 1908, p. 373. 

 Paratype. — 9 : Urbana, Illinois, under bark of cottonwood tree, November 



19, 1907 (R. D. Glasgow). Slide No. 3266. 

 The genotype of Allothrips Hood (Monobasic). 

 Lissothrips muscorum Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II, August 22, 1908, p. 365. 

 Paratype. — 9: Muncie, Illinois, in moss, June 16, 1908 (J. D. Hood). 



Slide No. 3267. 

 The genotype of Lissothrips Hood (Monobasic). 

 Neothrips corticis Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II, August 22, 1908, p. 372. 

 Paratype. — S '■ Urbana, Illinois, under bark of soft maple trees, January 



19, 1908 (J. D. Hood). Slide No. 3268. 

 The genotype of Neotlirips Hood (Monobasic). 

 Plectrothrips antennatus Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II, August 22, 1908, p. 370. 

 Paratype. — ^ : Urbana, Illinois, on window, June 23, 1908 (J. D. Hood). 



Slide No. 3269. 

 The genotype of Plectrothrips Hood (Monobasic). 

 Trichothrips americanus Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II, August 22, 1908, p. 366. 

 Paratypes. — i and 9 : Urbana, Illinois, under bark of rotton maple stump, 

 March 24. 1907 (J. D. Hood). Slide No. 3270. 

 Trichothrips angusticeps Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II, August 22, 1908, p. 367. 

 Paratvpe. — 9 : Urbana. Illinois, under bark of rotton box-elder stump, 

 April 23, 1907 (J. D. Hood). Slide No. 3271. 

 Trichothrips buffae Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIH, Art. II, August 22, 1908, p. 369. 

 Paratype. — 9 : Urbana, Illinois, under bark of soft maple tree, February 



22, 1908 (J. Zetek and F. C. Gates). Slide No. 3272. 

 This species was transferred by Hood in 1912 to the genus Rhynchothrips 

 Hood. 

 Trichothrips longitubus Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII, Art. II. August 22. 1908, p. 368. 

 Paratype. — 9: C'arbondale, Illinois, sweepings. May 19, 1908 (C. A. Hart). 

 Slide No. 3273. 



Family Idolotiiripidae 

 Idclothrips flavipes Hood 



Bull. 111. State Lab. Nat. Hist., Vol. VIII. Art. 2, August 22, 1908, p. 377. 

 Paratype. — £ : Dubois, Illinois, sifted from fallen oak leaves, April 28, 



1908 (C. A. Hart and L. M. Smith). Slide No. 3274. 

 This species has been transferred to the genus Gigantothrips Zimm3rman 

 by Watson (Florida Agr. Exp. Station Tech. Bull. 168. December, 1923, 

 p. 71). 



