135 



Chaitophorus flavus Forbes 



Thirteenth Rep. State Ent. 111.. May 31. 1S84, p. 42. 



Lectotvpe. — Winged 9 : Champaign. Illinois, on sorghum. July 25, ISSo 



(S. A. Forbes). Ace. No. 4968. Slide No. 3152. 

 Paratypes. — Adults and nymphs: Champaign, Illinois, on sorghum, Ju!y 



25. 1SS3 (S. A. Forbes). Ace. No. 496S. Slides No. 3151, 3153—3156. 

 In poor condition. Lectotype and nineteen para'ypes mounted in balsam 



on six slides, remainder of paratypes in alcohol in two vials. Now 



placed in the genus Sipha Passerini. 

 Chaitophorus negundinis Thomas 



Bull. 111. State Lab. Nat. Hist., Vol. I. No. 2, June, 1878, p. 10. 



Cotypes. — Winged and wingless 9 : Peoria, Illinois, on Negundo accroides, 



June (Miss E. A. Smith). Slide No. 2775. 

 In poor condition. Mounted in balsam. 

 Forda occidentalis Hart 



Eighteenth Rep. State Ent. III., March 4, 1895. p. 96. (Reprint. 1920, p. 84 i 

 Lectotype. — Wingless viviparous 9 : Champaign, Illinois, in blue-grass sod 



attended by Lasius nigcr. April 28, 1894 (McEltresh) . Ace. No. 19910 

 Paratypes. — Wingless viviparous 9 : Urbana, Illinois. April 4, 1894 (J. Mar 



ten); Urbana, Illinois, April 10, 1894, on CapscUa hursa-pastoris. at 



tended by Formica fwicn gagates (Surface). Ace. Nos. 19S40 and 1S807 

 Lectotype in alcohol and paratypes in balsam on slide anl in alcohol. In 



very poor condition. 

 Geoica squamosa Hart 



Eighteenth Rep. State Ent. 111., March 4, 1895, p. 102. (Reprint, 1920. p. 



90). 

 Lectotype. — Wingless viviparous 9 : Champaign, Illinois, on roots of corn. 



October 20, 1887 (C. M. Weed). Ace. No. 14197. Slide No. 3164. 

 Paratypes. — S (') and 9: Normal and Champaign, Illinois, on various 



grasses and often associated with ants, February to November, 1883 to 



1890. Ace. Nos. 1204, 1421, 2203, 3240, 3246, 4583, 5356, 5752, 652S, 7226. 



7290, 8164. 10118. 10144. 10154. 10159, 10238, 10983, 12321, 12322. 12486, 



12665, 12666, 12667, 12706, 14197, 14358, 16013, 17772, 19758, 19807, 19840. 



19911. Slide Nos. 3161-3163. 3165-3169. 3172 and 3173. 

 In very poor condition. Paratypic mnteria! in various stagfs of develop- 

 ment mounted in balsam on ten slides and in alcohol in vials. 

 Idiopterus nephrelepidis Davis 



Ann. Ent. Soc. Amer.. Vol. II, No. 3, September, 1909, p. 199. 



Lectotypic slide. — Winged and wingless viviparous 9 : Chicago, Illinois, 



May 2, 1908, on sword fern in greenhouse (J. J. Davis). Ace. No. 42533. 



Slide No. 3117. 

 The genotype of Idiopterus Davis (Monobasic). 

 Megoura solani Thomas 



Eighth Rep. State Ent. 111., 1879, p. 73. 



Type. — Winged 9 : Carbondale, Illinois, on tomato, Kay 26, 1878 (C. 



Thomas). Slide 2772. 

 In poor condition. 

 Pemphigus fraxinifolii Thomas 



Eighth Rep. State Ent. 111., 1879, p. 146. 



Cotypes. — Winged viviparous 9 and immature forms: Sauk City, Wiscon- 

 sin, on Fraximus quadrangulata June (Bundy). Slide 2762. 

 In very poor condition. Several specimens in alcohol in a vial. Now 



placed in the genus Prociphilus Koch. 

 Pemphigus rubi Thomas 



Eighth Rep. State Ent. 111.. 1879. p. 147. 



Cotypes. — Winged 9 : Carbondale. Illinois, on raspberry. April 12, 1878 



(G. H. French). Slides Nos. 2767 and 2768. 

 Mounted on balsam on two slides. In poor condition. 



I 



