. The moths of the British Isles . 2 //. 31- 1. fatocdia electa. ^2, 3. Red Underwing. <7 8i. THE RED UNDER WING. 81 the South London Entomological and Natural History Society,held on January lo, 1889, a coloured sketch of a specimenwith blue hind wings, taken at Colchester, was exhibited (^ Cockerell). Sometimes the hind wings are a dingyred, or they may incline to an orange tint ; the central blackband usually terminates just beyond the middle, but there isoften a detached blackish cloud on the inner margin ; and Ihave two specimens in which the band unites with this cloud.
. The moths of the British Isles . 2 //. 31- 1. fatocdia electa. ^2, 3. Red Underwing. <7 8i. THE RED UNDER WING. 81 the South London Entomological and Natural History Society,held on January lo, 1889, a coloured sketch of a specimenwith blue hind wings, taken at Colchester, was exhibited (^ Cockerell). Sometimes the hind wings are a dingyred, or they may incline to an orange tint ; the central blackband usually terminates just beyond the middle, but there isoften a detached blackish cloud on the inner margin ; and Ihave two specimens in which the band unites with this cloud. The eggs which are deposited on bark of poplar trees, asFig. 2a on Plate 33, are deep purplish with a whitish bloom,and inclining to yellowish on the top. The caterpillar (Plate 33,Fig. 2) is whitish-grey clouded and mottled with darkerbrown ; the head is rather paler grey, marked with black. Itfeeds at night on willow and poplar, and, although ratherdifficult to detect, may be found in the chinks of the bark fromApril to July. T
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