206 



FOKEST ENTOMOLOGY. 



The pupa is of a bright chestnut colour, with the wing-cases 

 and antenucTe rather h:)ng and free from the body. In the in- 



Fig. 196.— 2 (/«/»- I'l 

 a, crobb sectic 



it II ill <ii miiiiiil 1 1/ luiiii (._/ riochiliuin Fig. 197.— P»pnZ case o/Trochiliuni 



bembti ildiims bembeciformis imjecting from 



h, longitudiual .section. triinl; after the cscaj^e of the moth. 



terior of the wood it is encased in a strong cocoon of white silk 



and gnawings of wood. After the moths hatch out, the empty 

 impal cases may be found lying in 

 the hatching-box, or otherwise pro- 

 jecting from the stem, as in fig. 

 197. 



The moth, fig. 198, has a wing 

 expanse of 1^ to Ih inch. Wings 

 transparent, costal edge dark orange- 

 brown, and nervures dark -brown. 

 Head dark -brown. Abdomen dark- 

 brown, with conspicuous yellow bars 



across the abdomen, Antenme black, rather short and stout. Legs 



an orans,e-brown. 



Fig. 198. — Trochilium bembeciformis 

 (Hornet Clear-Winij of the osier). 



Cossus LiGNiPERDA, Fab. (Goat Moth). 



The larvae of the goat moth are often very injurious to various 

 species of trees, as, for example, oak, elm, ash, willow, and poplar. In 

 Cheshire I twice hatched it from oak gate-posts. It may be termed 

 a south-country species, as it generally does not occur north of York- 

 shire, and it is said to be most abundant near London. Fig. 199 rep- 



