580 noctitd.t:. 



5862. Eustrotia olivana. 





Tortrix olivana, Scbiff. Wien. Yerz. p. 126 (1776). 



Pyrali* bankiana, Fabr. Spec. lus. ii. p. 275 (1781) : Steph. 111. Brit. Ent., 



Haust. iii. p. 117. 

 Noctua arqentula, Hubn. Beitr. i. 2. p. 9, pi. 2. f. F (1787) ; Esp. Schmetfi 



iv. pi. 163. f. 3 (1793); Dup. Lep. Fr. vii. pt. i. p. 373, pi. 123. f. 2; 



Frr. Neue Beitr. pi. . r >'.>9 ; Stand. Cat. Lep. pal. p. 230. 

 Noctua olivea, Hubn. Eur. Schmett., Noct. f. 292 (1802). 

 Erastria amurula, Staud. Rom. Mem. vi. p. 562 (1892). 

 Erastria ohlitescens, Schultz, Ent. Zeit. Stuttgart, xsi. p. 78 (1907). 

 Erastria covfluens, Schultz, Ent. Zeit. Stuttgart, xxi. p. 79 (1907). 



Head and thorax olive-brown mixed with white and some 

 black ; palpi brown, whitish in front ; frons with dark bar ; 

 tarsi brown ringed with whitish ; abdomen whitish irrorated with 

 dark brown. Fore wing red-brown with an olive tinge ; a short 

 silvery-white fascia below base of costa ; a very oblique silvery- 

 white antemedial band, narrowing to inner margin, its edges 

 slightly sinuous and defined by black, sometimes produced to 

 points on outer side in and below the cell ; a similar postmedial 

 band ending at torn us, expanding on inner side into a spot on 

 discocellulars, sometimes with black point on it at lower angle 

 of cell ; an oblique white striga from costa just before apex ; a 

 narrow terminal white band not quite reaching apex or tornus ; 

 cilia white mixed with dark brown and with slight dark line near 

 base. Hind wing white suffused with brown ; cilia white with 

 a slight dark line near base and some dark scales at tips ; the 

 underside white irrorated with red-brown, a small dark disooidal 

 spot and diffused reddish mark on costa towards apex. 



Ab. 1. amurula. Fore wing slightly browner. 



Bah. Britain, Leech Coll. ; France ; Germany, Zeller and Frey 

 Colls. ; Austria, Leech Coll. ; Hungary ; Switzerland ; Spaix, 

 Catalonia ; Italy ; S. Russia ; Armenia ; Persia ; W. Turkestan, 

 Ferghana, Issyk-Kul ; W. Siberia, Altai ; E. Turkestan, Kaschgar, 

 Hi, Korla ; E. Siberia, Amurland, Ussuri ; C. China, Shanghai, 

 1 S • Exp. 24-28 millim. 



Larva. Meyr. Lep. Brit. p. 166; Barrett, Brit. Lep. vi. p. 183. pi. 247. f. 1. 



Slender, the 1st pair of prolegs absent, the 2nd pair rudimentary ; 

 yellow-green ; dorsal line indistinct, dark green ; subdorsal line 

 vellow ; head pale green. Food- plants : Poa aquatica, P. annua, 

 etc. 7. 



5863. Eustrotia tripartita. (Plate CLXV. fig. 30.) 



Tarache tripartita, Leech, Trans. Ent. Soc. 1900, p. 149. 



5 . Head, thorax, and abdomen ochreous white suffused with 

 brown ; tarsi black-brown ringed with white. Fore wing greyish 

 fuscous irrorated with black, the medial area white with a blackish 

 patch on middle of costa, the postmedial costal area with an olive- 

 brown patch ; subbasal line black defined by white on outer side, 



. 





