AciDAUA. 351 



* 65. A. Incanata (Linn.). — Wings pale bluish-grey, rather thickly but finely dusted with 

 dark grey, with black central dots, a broad suffused central shade, and a light, evenly-suffused 

 subterminal line shaded with dusky ; the fore-wings with two dark grey zigzag transverse lines, 

 and the hind-wings with one ; the hind margin dotted with black, and the fringes spotted with 

 dusky ; hind-wings rounded. Expands about i inch. Common in Europe and in Northern and 

 Western Asia from June to August. The larva is pale grey or yellowish-brown, with angular 

 dashes spotted with darker yellow, and a pale line on the sides. It feeds on low plants till May. 



66. A. Vesubiata (Mill.). — Resembles Incanata, but darker ; yellowish-white or reddish-brown, 

 with three black curved and much-dentated lines, which are not dotted, but continuous ; and the 

 fringes, instead of being dotted with black, are preceded by a row of small rectangular black 

 dashes. Expands about I inch. Found resting on rocks on river banks in the south-east of 

 France in June. 



*6'j. A. Fiiinata (Steph.). — Wings straw-colour, finely dusted with brown, with no central 

 dots ; the fore-wings with three and the hind-wings with two yellowish-grey transverse lines, more 

 or less suffused, but not dentated ; the hind margin unmarked, or with a dark marginal line ; the 

 fringes without dark dots, and the hind-wings rounded ; the hind tibic-e with two spurs in the 

 male and four in the female. Expands about i inch. Common in hilly districts in Central 

 Europe and Northern Asia in June and July. The larva is reddish-grey, with whitish angular 

 marks on the sides, and an interrupted dark line on the back. It feeds on bilberry till May. 



*68. A. Reviutaria (Hiibn.). — Wings whitish straw-colour, very finely and sparingly dusted 

 with brown ; the fore-wings with three brownish-grey transverse lines, and the hind-wings with two, 

 the second line more sharply defined and zigzag ; the subterminal line indicated by narrow yellowish 

 dusting on the sides, and not interrupted in front ; the hind-wings scarcely angulated ; the central 

 and marginal dots are generally absent, or the latter are only visible below the tips. Expands 

 about \\ inches. Common in most parts of Europe in May and June. The larva is yellowish- 

 grey or brown, with a whitish stripe on the sides. It feeds on low plants till April. 



69. A. Nemoraria (Hiibn.). — Wings snow-white, the fore-wings dusted with black on the costa, 

 with black marginal dots below the tips, and three suffused brownish-yellow transverse lines, the 

 third zigzag, and interrupted below the costa ; hind-wings rounded, with two lines. The central 

 dots are only visible on the under side. Expands about \\ inches. Inhabits the south of 

 Central Europe in July. 



70. A. Punctata (Tr.). — Wings white, the fore-wings with five and the hind-wings with four 

 brownish-yellow transverse lines, of which the middle one is the broadest and most zigzag, and 

 forms a right angle below the costa of the fore-wings ; the hind-wings dotted with black below 

 the tips in the male ; hind-wings rounded. Fore-wings with a central black dot in the male only. 

 Expands about i inch. Inhabits South Europe in July. The larva is long and slender, yellowish- 

 white, washed with flesh-colour on the front segments, and with a brown line on the back and a 

 whitish one on the sides. It feeds on low plants till May. The moth frequents damp woods, but 

 is not common. 



71. A. Caricaria (Reutti). — Resembles the female of Innnntata ; wings snow-white, only 

 dusted with black towards the hind margins and on the costa of the pointed fore-wings ; the 

 third transverse line is further from the hind margin, straighter, and less zigzag ; the marginal 

 line is finely and sharply brown, with no black dots ; central dots indicated on the rounded hind- 

 wings only. Inhabits damp mountain meadows in the south of Central Europe in May, June, 

 and August. The larva is long and slender, clay-coloured, with a whitish line on the sides. It 

 feeds on low plants. (A. Anseraria, Herr.-Schaff., which Staudinger thinks may be the same as 



