NORTH AMERICAN L^VSPEYRESIINAE AND OliETHREUTINAE 89 



3. Head and thorax a uniform ferruginous ocherous (1) liriodendrana. 



Head and thorax pale ocherous or purplish fuscous dusted with ocher- 

 ous 4. 



4. Median band of fore wing well separated from pretornal spot by a metallic 



band as broad as dorsum of median band (2) viteana. 



Median band more or less coalescing with pretornal spot, the intervening 

 metallic band narrow and dusted with ocherous and brownish scales- 5. 



5. Fore wing with costa markedly rounded toward apex ; veins 8 and 9 very 



closely approximate at base, practically connate; 7 and 8 more separated; 

 median band slightly broader on costa than dorsum. Hind wing blackish 



fuscous (3) monotropana. 



Fore wing with costa only slightly rounded (nearly straight toward apex; 

 veins 8 and 9 separate at base, further apart than 7 and 8 ; median band 

 narrower on costa than dorsum. Hind wing brownish (smoky) fuscous, 

 decidedly paler toward base 6. 



6. Subapical spot much dusted with blackish, concolorous with median band. 



(5) rhoifructana. 

 Subapical spot with little or no blackish dusting, paler than median band. 



(4) cypripediana. 



7. Hind wing smoky only toward apex ; distinctly white toward base 8. 



Hind wing smoky throughout ; not appreciably whitish toward base 9. 



8. Fore wing with dark pattern markings distinctly bordered with white; alar 



expanse under 12 mm (6) yaracana. 



Fore wing with no white borders to dark pattern markings ; alar expanse 

 15 mm. or over (13) blandula. 



9. No white scaling whatever upon fore wing; pale dashes bordering outer 



costal spots, ocherous (11) slingerlandana. 



Some white scaling upon fore wing; pale dashes (those bordering outer 

 costal spots at least) white; sometimes median and basal dark mark- 

 ings faintly edged with white 10. 



10. Subapical spot uniformly blackish bro\vn (12) carduana. 



Subapical spot paler ; sometimes with shading or dotting of black scales. 



but not uniformly blackish or blackish brown 11. 



11. Dorsal half of median band bright ocher yellow (10) aruncana. 



Dorsal half of median band not bright ocher yellow 12. 



12. Subapical spot showing considerable black scaling, as dark as median 



band 13. 



Subapical spot without (or with but the faintest trace of) black scaling, 

 paler than median band (7) splraeifoliana. 



13. Antemedian band paler on dorsum than costa, appearing to the naked eye 



as a round whitish dorsal spot (8) aemulana. 



Antemedian band no paler on dorsum than costa, lead colored throughout. 



(9) vernoniana, 

 1. POLYCHROSIS LIRIODENDRANA Kearfott 



(Figs. 175, 361) 



Polychrosis liriodendrana Kearfott, Trans. Amer. Ent. Soc, vol. 30, 1904, 

 p. 293. — Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 



6780, 1917.— Forbes, Memoir 68 Cornell Univ. Agr. Exp. Sta., 1924, p. 

 473. 



Polychrosis mngnoliana Keaefott, Trans. Amer. Ent. Soc, vol. 33, 1907, 

 p. 6. — Barnes and McDunnolgh, Check List. Lepid. Bor. Amer., no. 



6781, 1917.— Forbes, Memoir 68, Cornell Univ. Agr. Exp. Sta., 1924, 

 p. 473. 



