154 U.S. .NATIONAL MUSEUM BULLETIN 213 



[ Tanacetum] ; 1959, p. 67 [Rudbeckia serotina; Echinops sphaerocephalus]. — 

 Fcldman and Bailey 1952, pp. 96, 98, 101-103, figs. 2, 8. 

 Corythucha decens (not Stal): Van Duzee 1917b, p. 214 (in part). 

 Corythucha lactea Drake (in Gibson 1918, pp. 74, 94) [Utah]. 

 Corythucha marmorata var. informis Parshlcy 1919a, p. 20 [N.S.]; 1922b, 



p. 11.— Downcs 1925, p. 16.— Bailey 1951, p. 86. 

 Corythucha marmorala var. minutissima Drake 1920, p. 50. 

 1 w\.: North Carolina, U.S.; sex and deposition of type unknown. 

 Distribution: U.S. (Maine; N.H.; Vt.; Mass.; R.I.; Conn.; N.Y.; N.J. 

 Pa.; Md.; D.C.; Va.; N.C.; Ga.; Miss.; Fla.; Ala.; La.; Tenn.; W. Va. 

 Ohio; Ind.; 111.; Iowa; Kans.; Mo.; Mich.; Wis.; Nebr.; N. Dak.; S. Dak. 

 Colo.; Utah; Idaho; Oreg.; N. Mex.; Ariz.; Tex.; Calif.); Canada (Ont. 

 B.C.; N.S.) ; Jamaica; Mexico. 



Host Plants: Ambrosia triftda; Aster sp.; Chrysanthemum sp.; Echinops 

 sphaerocephalus; Helianthus tuberosus; Helianthus sp. ; Rudbeckia serotina; Solidago 

 sempervirens; Solidago sp.; Tanacelum sp. 



Note: Life history studies [Felt; Barber and Weiss; Bailey]; eggs 

 [Abbott]; causes damage in greenhouses [Osborn and Drake.]. 



*Corythucha mcelfreshi Drake 



Corythucha mcelfreshi Drake 1921b, p. 50, pi. 1, figs, b, b' [Mexico]. 

 Type: Holotype o* , macropterous; Mexico; Drake Coll. (USNM). 

 Distribution: Mexico. 

 Host Plant: Unrecorded. 



*Corythucha mollicula Osborn and Drake 



Corythucha mollicula Osborn and Drake 1916b, p. 12, fig. 2 [Mich.]. — 

 Drake 1921b, p. 53 [S.C.; poplar]; 1922d, p. 64, figs. 25c,d.— Hussey 

 1922b, p. 23.— Parshley 1922a, p. 236; 1923b, p. 701 [Conn.].— 

 McAtee 1923, p. 148 [Md.; Va.].— Froeschner 1944, p. 667 [Mo.].— 

 Proctor 1946, p. 74 [Maine].— Bailey 1951, p. 90 [R.I.; Populus]; 

 1959a, p. 67.— Feldman and Bailey 1952, pp. 98, 101-103, fig. 5. 

 Corythucha salicis Osborn and Drake 1917b, p. 298 [Mass.; Wis.; Mont.; 

 currant].— Gibson 1918, pp. 73, 76, 85 [Fla.; Ribes].— Drake 1919b, 

 p. 159 [N.J.; N.Y.; Ont.; Man.; Salix discolor].— Parshley 1920a, 

 p. 273 [Salix]; 1921, p. 17 [Salix hookeriana].— Downes 1925, p. 15, 

 fig. 1. 



Corythucha molliculata [sic]: Gibson 1918, pp. 85, 90. 

 Corythucha canadensis Parshley 1919a, p. 18 [B.C.]. 

 Corythuca mollicula: Blatchley 1926, p. 461, fig. 102c. 

 Type: Holotype 9, macropterous; East Lansing, Michigan, U.S.; Drake 

 Coll. (USNM). 



Distribution: U.S. (Maine; N.H.; Mass.; R.I.; Conn.; N.Y.; N.J.; 

 Pa.;Md.; Va.; S.G.; Ga.; Fla.; Mich.; Mo.; 111.; Ind.; Wis.; Kans.; N. Dak.; 



