148 U.S. NATIONAL MI/SLUM BULLETIN 243 



[Wash.; Munt.: Wyo.J Utah; Calif.; Carduus lanceolatus]. — Gibson 1918, 



pp. 72,75,81.— Parshley 1919a, p. 18 [B.C.; hollyhock]; 1922b, p. 11 



[S. Dak.].- Downes 1925, p. 15, fig. 5; 1927a, p. 10 [Lathyrus nuttallu}. 

 Type: Sex unknown; Colorado, U.S.; Ohio State Univ. 

 Distribution: U.S. (Calif.; Wash.; S. Dak.; \\ >...; Mont.; Utah; Colo.); 

 Canada (B.C.). 



Host Plants: Carduus lanceolatus; Cnicus sp.; Lathyrus nuttallii; hollyhock. 



*Corythucha distincta var. spinata Osborn and Drake 



Corythucha distincta var. spinata Osborn and Drake 1917b, p. 301, figs. 

 1 a, b [Mont.; Carduus]. 

 Type: Holotype 9, macropterous; Florence, Montana, U.S.; Drake 

 Coll. (USNM). 

 Distribution: U.S. (Mont.). 

 Host Plant: Carduus sp. 

 Note: This may not be a good variety. 



*Corythucha elegans Drake 



Corythucha elegans Drake {in Gibson 1918, pp. 73, 75, 89) [Colo.; N.Y.; 

 Salix]; 1919b, p. 159 [Ont.; Mich.; Populus balsamifera]; 1922d, p. 65, 

 figs. 25 a, b, 26 [Populus tremuloides; Populus grandidentata]. — Torre- 

 Bueno 1929, p. 311 [Mass.].— Hurd 1946, p. 483 [Wis.]. 

 Corylhuca elegans: Blatchley 1926, p. 456, fig. 102a. 

 Type: Holotype 9, macropterous; Poudre Canyon, Colorado, U.S.; 

 Drake Coll. (USNM). 



Distribution: U.S. (Colo.; Wis.; Mich.; N.Y.; Mass.); Canada (Ont.; 

 B.C.; Sask.; Man.). 



Host Plants: Primary host Salix sp.; also breeds to some extent on 

 Populus balsamifera; Populus grandidentata; Populus tremuloides. 

 Note: Eggs and instars [Drake 1919b]; predators [Drake 1919b]. 



*Corythucha eriodictyonae Osborn and Drake 



Corythucha eriodictyonae Osborn and Drake 1917b, p. 302 [Calif.; Erio- 

 dictyon californicum]. — Van Duzce 1917a, p. 258. — Gibson 1918, 

 pp. 77, 99. 

 Corythucha erydictyonae [sic]: Drake and Davis 1960, fig. 71. 

 Type: Holotype o", macropterous; San Francisquito Cr., San Mateo Co., 

 California, U.S.; Drake Coll. (USNM). 

 Distribution: U.S. (Calif.). 

 Host Plant: Eriodictyon californicum. 



*Corythucha floridana Heidemann 



Corylhuca floridana Heidemann 1909, p. 236, fig. [Fla.J Cephalanthus]. — 



Van Duzee 1909, p. 173.— Blatchley 1926, p. 459, fig. 101. 

 Corythucha floridana: Osborn and Drake 1917b, p. 300 [oak].— Gibson 

 1918, pp. 76, 101. 

 Type: Holotype d\ macropterous; Biscaync Bay, Florida, U.S.; USNM. 



