12 OXYGESTA; EOGENA; EUROMOIA; SIMYRA; ARSILONGHE. By W. Warren. 



8. Genus: Oxycesta Hbn. 



Antennae of d" bipectinated , the shaft and pectinations both thick, of ? subserrate; head, face, 

 thorax, abdomen, pectus, and legs hairy; palpi porrect, with distinctly pointed terminal segment; tongue 

 slight; eyes naked; vein 5 of hindwing straight, from just below middle of discocellular. 



geographica. O. geographica F. (= austera Ksp., sericina 776//.) (2d). Forewing brownish fawn-colour, the veins 



pale; lines broadly white, sharply but irregularly angled; stigmata indistinct; hindwing in cf whitish, in ? 

 fuscous. Flies in May and again in July in S. E. Europe, and in the Tyrol. — Larva whitish, marbled 

 with black: a dorsal black white-bordered streak; subdorsal line black; spiracular line white; a fulvous 

 stripe across each segment ; the tubercles bear fascicles of black and white hairs ; fullfed in June and again 

 in autumn; on Euphorbia cyparissias ; when young living gregariously. 



chamaesyces. O. chamaesyces Guen. (= chamaenices H.-Sch., sericina Hbn.) (2d). Like geographica F., but 



smaller and darker; head and thorax paler than abdomen. Restricted to S. W. Europe, South of France, 

 Piedmont and Spain. — Larva on Euphorbia chamaesyce. 



9. Genus: Eogeua Guen. 



Antennae lamellate, thicker in cf; head, thorax, palpi, and pectus hairy; palpi thick, porrect; 

 ongue slight: eyes naked; abdomen without crests; vein 5 of hindwing straight from below middle of 

 discocellular. 



contaminei. £. COntaminei Er. (= eogene Frr., bombycina Men.) (2d). Forewing dull pink; lines marked by 



dark spots on costa and folds; hindwing a little paler. Occurs only in S. E. Russia and Turkey. — Larva 

 pale yellow, tufted with reddish brown dorsally, and with black and white lateral stripes. On Statice gmelini. 



10. Genus: Euromoia Stgr. 



Antennae setaceous, shortly ciliated; palpi smooth, slender: eyes naked; forehead slightly prominent; 

 tongue well developed. 



mixta. E. mixta Stgr. (2d). Forewing ashygrey; a yellowish blotch at base, the distal margin pale: cell 



dark, with the stigmata pale; hindwing fuscous, with yellow fringe. — Amurland. 



D. Forewings whitish, elongate, with longitudinal dark streaks. 



11. Genus: Simyra 0. 



Antennae of d* bipectinated, of ? simple; head, palpi, and thorax roughhaired; thorax and abdomen 

 without crests; eyes naked; vein 5 of hindwing slightly curved at base, from lower third of discocellular. 



buettneri. S. buettneri Bering (= bloomeri Hein.) (2d). Forewing straw-colour, the veins rufous, the intervals 



with grey streaks; hindwing grey, with rufous veins. Flies in autumn in marshes of N. German}' and 

 S. Russia. 



dentinosa. S. dentinosa Fit. (= tendinosa If.-Sch., leucaspis Fisch.) (2e). Forewing greyish ochreous, the 



veins rufous; grey streaks between the veins running out into the fringe; costa at base pale. Flies in 

 spring, occurring in S. E. Europe, Armenia and Central Asia. — The larva feeds gregariously on Euphorbia, 

 being full fed in May and June. 



nervosa. s. nervosa F. (2e). Forewing ochreous, covered with dark atoms; the veins darker, the intervals 



paler. Flies in July arid August, but not commonly, in Germany and Austria. — Larva yellowish white, 

 with broad dark dorsal band and another above the spiracles, bearing dull red and yellow tubercles: hairs 

 argentacea. whitish; full fed in June, on Euphorbia. — ab. argentacea H.-Sch. (= torosa Guen.) (2e) differs in having 

 Ihe ground-colour whiter, with less dusting; recorded from S. Russia and Central Asia; examples from 

 Afghanistan seem to be intermediate. 

 splendida. §. splendida Stgr. (— niveonitens Graes.) (2e). Wings shining white on both sides; hindwing 



sometimes greyish above. Occurs in Central Asia, Amurland and Corea. 



12 Genus: Arsilonclie Led. 



Differs from Sirmjra 0. in the antennae of the ¥ being shortly ciliated only, instead of pectinated. 



albovenosa. A. albovenosa Goeze (= venosa Jiorkh., degener Hbn.) (2e). Forewing whitish ochreous, whiter 



in ?, greyer in d", with dark longitudinal streaks along the folds and inner margin. Flies in marshes in 

 May and August throughout Europe and in Western Asia. — Larva pinkish, marbled with pale; lines pale, 



