BOMBYCES 227 



white wings, and their bodies also are white with the exception of 

 the tuft of coloured hair at the tip of the abdomen, which gives the 

 names to the species. Their larvae may both be found feeding on 

 the same trees (whitethorn), and both change to a brown hairy 

 chrysalis within a loose cocoon among the leaves. 



The larva of Chrysorrhoea is black, 



with four rows of little wart-like pro- %,::: ^ VN X,X^ ' 

 jections on each side, from which pro- 

 ceed little tufts of hairs. These hairs 

 are reddish with the exception of one \^ 7K / (/i jHt \ t 



row on each side, which is white. The 



tenth and eleventh segments have each FlG - 122. THE BROWN TAIL. 

 a scarlet tubercle, and there are also 

 other small spots of the same colour on some of the front segments. 



The larva feeds on the blackthorn in addition to the tree 

 mentioned above, and is full grown in June. The moth flies in 

 August. 



The Gipsy (Ocneria dispar) 



The fore wings of the male are smoky brown, with darker 

 markings, including a V-shaped black mark near the centre. The 

 hind wings are brown, darker near the margin. The female is 

 dingy yellowish white, with darker 

 markings arranged as in the male. 

 The male is much inferior in size, 

 and its antennae are very strongly 

 pectinated. 



The larva is brownish black, 

 finely dotted with yellowish grey. 

 There is a grey stripe down the 

 middle of the back, and six tuber- FIG. 123. THE GIPSY-MALE. 

 cles on each segment give rise to 



tufts of long hair. It feeds on the whitethorn (Cratcegics oxy- 

 acantha), blackthorn (Prunus spinosa), and various fruit trees. 



The caterpillar is full grown in June, and the moth appears in 

 August. 



The Black Arches (Psilura Monacha) 



The fore wings of the Black Arches are white, marked with 

 zigzag black lines t as shown in our illustration. The hind wings 



Q2 



