BOMBYCES 



227 



~>>:/f 



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

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

 names to the species. Their larv* 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- 

 jections on each side, from which pro- 

 ceed little tufts of hairs. These hairs 

 are reddish with the exception of one 

 row on each side, which is white. The 

 tenth and eleventh segments have each 

 a scarlet tubercle, and there are also 

 other small spots of the same colom' 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. 



Fk;. 122.— The Biiowx Tail. 



The Gipsu {Ocncria dinjuir) 



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 margui. Tlie female is 

 dingy yellowish white, with darker 

 markings arranged as in the male. 

 The male is much inferior in size, 

 and its antennie are very strongly 

 pectinated. 



The larva is brownish black, 

 finely dotted with yellowish gi'ey. 

 There is a grey stripe down the 

 middle of the back, and six tuber- 

 cles on each segment give rise to 



tufts of long hair. It feeds on the whitethorn {Cratccgus oxij- 

 acantJta), blackthorn {Primus sjnnosa), and various fruit trees. 



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

 August. 



Fig. 123.— The Gipsy — Male. 



The Black Arches (Psilnra Monachn) 



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

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



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