DIPTERYGIA.. 67 



line represented by a black striga from costa ; a black streak below 

 base of cell; antemedial line dentate, strongly augled inwards on 

 vein 1 and to or to near postmedial line above inner margin, a 

 black streak before it above inner margin ; ciaviform moderate, 

 defined by black ; orbicular and reniform defined by black, the 

 former oblique elliptical, sometimes produced at lower extremity 

 to the latter which is angled inwards on median nervure ; post- 

 medial line bent outwards below costa, then oblique and slightly 

 sinuous to vein 5, then inwardly oblique and strongly sinuous, 

 some pale points beyond it on costa, the veins beyond it "defined by 

 slight white streaks on the brown areas, the interspaces of terminal 

 area with black streaks; subterminal line obsolete except below 

 vein 2, white, angled outwards on vein 1, then retracted ; cilia 

 intersected with whitish. Hind wing ochreous whitish suffused 



r^^^A 



Fig. 15. — Diptert/gia scabiiuscula, (^ . \. 



with fuscous brown especially on terminal area ; a fine dark 

 terminal line ; cilia whitish with a brown line through them ; 

 the underside whitish thickly irrorated with brown, a small dis- 

 coidal lunule and traces of diffused postmedial and subterminal 

 lines. 



ffah. Canada ; U.S.A., Northern, Eastern and Central States, 

 1 c? , 1 $ , Kansas (Snoiv), 1 c? , 1 5 , Texas, Colorado ; Britain, 

 Leech Coll. ; Prance, Sand Coll. ; Germany, Zeller, Frey, and 

 Leech Colls.; Actstbia; Hungary; Switzerland; N. Italy; Balkan 

 States ; Scandinavia ; llussiA, Livonia, Zeller Coll., Sarepta, Leech 

 Coll. ; Armenia ; Asia Minor, Pontus ; ? E. Siberia, Amurland, 

 TJssuri. Exp. 35-44 millira. 



Larva. Meyr. Brit. Lep. p. 129; Barrett, Lep. Brifc. v, p. 32, pi. 188. f. 3. 



Eeddish brown; dorsal line ochreous white, dark-edged; subdorsal 

 line obscurely pale, dark-edged ; spiracular line broad, whitish, 

 dark-edged above ; head brown. Food-plants: Rianeoe and Poly- 

 fjonum. 7-8. 



2803. Dipterygia caliginosa. (Plate CIX, fig. 13.) 

 Hadena caliginosa, Wlk. xv. 1729 (1858). 



Head, tegulse, and patagia black with a few white scales, the last 

 with brown upper edge ; thorax reddish brown mixed with grey ; 

 tarsi with pale rings ; abdomen fuscous mixed with greyish. Fore 

 wing fuscous black with a leaden gloss and irrorated with a few 

 white scales ; the inner margin with brownish fascia from near 



f2 



