Summary

Richard South The Moths of the British Isles… (1920)

It is enclosed in a long, grey-brown, tight-fitting cocoon of silk and hairs of the caterpillar, which is generally spun up among the lower twigs, or to the stem of the food plant.
The moth emerges in June or July, and is on the wing at night, when it may be sometimes netted as it flies along or over hedgerows. When caught in this way it dashes about so wildly in the net that it is rarely of much value for the collection. The same may be said of examples taken by light, which at times attracts the moths freely.
Source: Wikisource

Richard South The Moths of the British Isles… (1920)

The eggs, which are whitish in colour with greyish markings, are laid, in July or early August, in twos, threes, or more, on twigs or the undersides of leaves of sloe, apple, sallow, hawthorn, etc. A single female moth has been known to lay over a thousand eggs, but this is perhaps exceptional, and somewhere about half that number is possibly near the average.
Source: Wikisource

Richard South The Moths of the British Isles… (1920)

The caterpillar is black or greyish black, with reddish brown hairs, and a series of black-edged yellowish brown, or reddish brown blotches on each side of the back; these blotches are outlined in pale yellowish and occasionally connected by a line of the same colour. From the time they are hatched until nearly mature the caterpillars live in companies on a closely woven web of silk on a branch of hawthorn or sloe, only leaving their habitation to feed. These webs may often be seen on hedgerows from May to July.
Source: Wikisource

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