ScOTOS/A. 367 



fore-wings only distinctly bounded behind, and with small sharply- defined zigzags on the 

 nervures ; the tip indistinctly divided. Expands about i^ inches. Inhabits the mountains of 

 South-Eastern Europe and Armenia. 



GENUS XIII. — SCOTOSIA (STEPH.). 



Wings broad, all coloured and marked alike ; grey or brownish, with many dark waved lines. 

 The larvze thick and cylindrical, and without appendages ; they undergo their transformations in 

 the ground. 



A. — Triphosa (Steph.). — Hind margin of the Iniid-iviiigs vciy strongly dentated, the inner margin 

 with no appendage in the male. 



I. .S. Sabaudiata (Dup.). — Wings pale grey, with a yellowish lustre; fore-wings dusted 

 with grey, and with darker grey transverse lines, dentated on the inside, and only distinct on 

 the costa ; hind-wings paler, with very indistinct transverse lines ; the fringes without mark- 

 ings. Size of Dnbitata. Inhabits the mountains of South-Central Europe in August. The 

 larva is black, with many waved and interlacing yellow longitudinal lines, orange-yellow spots 

 on the sides, and scattered bristles placed on white raised warts. Head black, marbled with 

 yellow. The young larva is green, with four yellowish longitudinal lines, and a yellowish-green 

 head. It feeds on Rhamnus alpimis in June and July. 



*2. S. Dnbitata (Linn.). — Fore-wings shining brownish-grey, varied with reddish (except in 

 the smaller and paler variety Cinereata, Steph., which only occurs in the male), with the nervures 

 dotted with dark and light ; dark dentated transverse lines towards the base, and a whitish zigzag 

 subterminal line, expanded above the inner margin ; the central area bordered by dark bands, 

 with one angle below the costa, and two rounded projections in the middle; hind-wings pale 

 grey, darker on the hind margin, and with a fine black marginal line. Expands about if inches. 

 Common in the greater part of Europe and Western Asia in April and May, and from July to 

 September. The larva is pale green, with four pale yellow lines on the back, and a broad 

 yellow stripe on the sides. It feeds on sloe and buckthorn in May and June, and again in 

 autumn. 



B. — Encosmia (Steph.). — Hind margin of the hind-tvings less strongly dentated, and the middle 

 of their inner 7nargin furnished zvith a strong tuft of hair in the male. 



*l. S. Certata (Hubn.). — Fore-wings varied with brownish-grey and rusty-brownish, with 

 indistinct dots on the nervures, the central area with two angles on the outside in the middle 

 and below the costa ; hind-wings with more distinct transverse lines nearly to the base, and the 

 hind margin obtusely angulated inwards and outwards ; otherwise as in Dnbitata. E.xpands from 

 li to if inches. Common in Central and South-Eastern Europe and Western Asia in May. 

 The larva is bluish-grey, with dark lines on the back and orange spots on the sides. It feeds 

 on barberry in June and July. The transformations are figured at PL 48, Fig. 3, a^-c. 



4. .S". Montivagata (Dup.). — Closely allied to Certata. Wings ashy-grey, with no reddish shade ; 

 fore-wings with many waved lines of a rather darker grey, the middle ones forming a central 

 band which is waved rather than angulated on the outside, and is followed by a greyish stripe 

 divided by a grey thread. The subterminal line is whitish, much dentated, continued on the 

 hind-wings, and generally better marked than any of the other lines, which are often scarcely 

 visible at the base. The marginal line is brown rather than black, and the hind-legs of the male 

 are densely hairy. Expands nearly 2 inches. Inhabits the mountains of South France, Spain, 

 Piedmont, and Asia Minor in July ; and the larva probably feeds on barberry. 



*5. iT. Undulata (Linn.). — Yellowish-white, light brown on the hind margin, and on the fore- 



