400 AKCTIAD^. 



Arctia echmrdsU, Stretch, Zyg. & Bomb. N. Am. i. p. 77 (1872) ; Kirby, 



Cat. Het. p. 208. 

 Arctia ochracea, Stretch, Zyg. & Bomb. ]!f. Am. i. p. 12.5, pi. o. f. 21 



(1872) ; Neum. Papilio, iii. p. 151. 

 Arctia harda, H. Edw., Papilio, i. p. 39 (1881). 

 Arctia dmplicior, Butl. A. M. N. H, (5) viii. p. 311 (1881) ; Kirby, Cat. 



Het. p. 267. 

 Arctia nevadoisis, var. sulpJmrica, Neum. Ent. Am. i. p. 93 (1885). 

 Arctia elongata, Stretch, Ent. Am. i. p. 105 (1885); Kirby, Cat. Het. 



p. 270. 

 Arctia blakci, var. perpicta, Dyar, Psyche, vi. p. 381 (1893). 



d (achaia). Head, thorax, and abdomen ochreous ; palpi, sides 

 of irons, antennse, stripes on tegulae, patagia, shoulders, and thorax 

 black ; pectus and legs black, the coxas, extremities of femora and 

 stripes on tibiae ochreous ; abdomen with dorsal maculate fascia 

 and lateral and sublateral series of spots. Fore wing black, with 

 ochreous streaks on costa, veins, and inner margin, and fascia above 

 submediau fold ; an antemedial rather irregular band narrowing 

 towards inner margin ; a medial band often obsolete towards inner 

 margin ; a postmedial nearly straight band from costa to submedian 

 fascia ; the subterminal band oblique from costa to near termen 

 above vein 5, then running inwards to postmedial band at vein 4, 

 then to termen at vein 2, and inwards to submedian fascia ; cilia 

 ochreous at tips. Hind wing scarlet, orange at inner margin ; the 

 basal area black, or with black streaks in and below cell and on 

 vein 1 ; medial spots on median nervure and vein 1, often conjoined 

 to the basal black area ; siibterminal spots above vein 5 and on 

 veins 2 and 1 ; conjoined terminal patches at apex and middle and 

 spot in submedian interspace, or the black areas confluent leaving 

 irregular patches of red. 



5 . Ventral surface of abdomen black, sometimes with slight 

 segmental ochreous line. 



Ab. 1. Fore wing with the antemedial line reduced to a spot on 

 costa. 



Ab. 2. ochracea. Hind wing with the ground-colour yellow. 



(a) Fore wing with the bands present. 



(b) Fore wing with the bands except the subterminal absent. 

 Ab. 3. Fore wing with the streaks on the veins reduced to traces. 



(a). Hind wing scarlet. 



(«') oriutta. Fore wing with the antemedial band well- 

 developed. 

 (l)') perpicta. Fore wing with the antemedial band absent. 

 (h) sulphunca. Hind wing orange. 

 Hah. Br. Columbia ; U.S.A., California, San Baphael, 1 J , Zeller 

 Coll., 4 d , 2 2 , Grote Coll., Rouge R., 3 d , Jacksonville, 1 § type 

 simplicior, Sonoma Co., 1 d , Mendocino Co., 1 $ (WalsiiigJiam). 

 Exp. 48-54 miilim. 



Egg. Dyar, Psyche, vi. pp. 380, 556. 



Subconoidal, flat at base, quite smooth under microscope, pale 

 yellow ; diam. '8 mm. 



Larva. Stage 1. Head slightly bilobed, black, pale round mouth; 



