▁pale ▁patch ▁from ▁the ▁end ▁of ▁the ▁cell ▁to ▁the ▁outer ▁end ▁of ▁the ▁fol d . ▁A ▁fus c ous ▁dis cal ▁spot ▁at ▁one - third , ▁followed ▁by ▁another ▁at ▁the ▁end ▁of ▁the ▁cell , ▁with ▁a ▁p lic al ▁spot ▁below ▁them ▁near er ▁to ▁the ▁latter ▁than ▁to ▁the ▁former . ▁A ▁fus c ous ▁marg inal ▁sh ade ▁extends ▁along ▁the ▁term en ▁and ▁is ▁broken ▁into ▁sp ots ▁around ▁the ▁a pe x ▁and ▁at ▁the ▁base ▁of ▁the ▁cost al ▁c ilia . ▁The ▁h ind w ings ▁are ▁wh it ish . ▁ ▁References ▁ ▁Category : M oth s ▁described ▁in ▁ 1 9 1 2 ▁Category : P ele op oda <0x0A> </s> ▁Den ison ▁Dam , ▁also ▁known ▁as ▁Lake ▁Tex oma ▁Dam , ▁is ▁a ▁dam ▁located ▁on ▁the ▁Red ▁River ▁between ▁Texas ▁and ▁Oklahoma ▁that ▁imp ounds ▁Lake ▁Tex oma . ▁The ▁purpose ▁of ▁the ▁dam ▁is ▁flo od ▁control , ▁water ▁supply , ▁hydro elect ric ▁power ▁production , ▁river ▁reg ulation , ▁navigation ▁and ▁recre ation . ▁ ▁History ▁Comple ted ▁in ▁ 1 9 4 3 ▁primarily ▁as ▁a ▁flo od ▁control ▁project , ▁it ▁was ▁at ▁the ▁time ▁the ▁" larg est ▁rolled - ear th ▁fill ▁dam ▁in ▁the ▁world ". ▁Only ▁five ▁times ▁has ▁the ▁lake ▁reached ▁the ▁dam ' s ▁sp ill way ▁at ▁a ▁height ▁of ▁ ▁above ▁sea ▁level : ▁ 1 9 5 7 , ▁ 1 9