. The moths of the British Isles . Thorn {Ennomos ahuaria). - This species (Plate iii. Figs, i, 2) is generally easily recog-^ nised by the canary yellow coloured hairs of the thorax. Thefore wings are yellowish, sprinkled with purplish grey, andcrossed by two curved greyish-brown lines, which not infre-quently fall close together on the inner margin. In some femalespecimens that I reared from eggs, received from York, thewings are more or less tinged with dull tawny brown, especiallyon the outer area, and in two of them the thorax is alsobrownish tinged. The at first green, and afterwards bla
. The moths of the British Isles . Thorn {Ennomos ahuaria). - This species (Plate iii. Figs, i, 2) is generally easily recog-^ nised by the canary yellow coloured hairs of the thorax. Thefore wings are yellowish, sprinkled with purplish grey, andcrossed by two curved greyish-brown lines, which not infre-quently fall close together on the inner margin. In some femalespecimens that I reared from eggs, received from York, thewings are more or less tinged with dull tawny brown, especiallyon the outer area, and in two of them the thorax is alsobrownish tinged. The at first green, and afterwards blackish slate-coloured,egg, with whitish ring, and the caterpillar are shown onPlate 110, Fig. 2, la. The latter is brownish, mottled withpurplish above, and inclining to greenish below; head, ratherpaler brown. It feeds, from May to July, on birch, alder, moth is out in the autumn, and occurs in suitable woodlandand marshy places over England, Wales, and Scotland toMoray. It has been found in many parts of Ireland. ^\ \ -^.. 2 //. IIO. ^272. I, i«, \l>, ic. Large Thorn: c^gs, natural size a7id enlarged; caterpillar, chrysalis a7idpiipariuin. 2, ia. Canary-shouIdcred Thorn : eggs, naUn-al size and enlarged, and cater- pillar. 3, 3«. Dusky Thorn: caterpillar andcJn-ysaUs. >- ?? •*>
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