INSECTS AND VERMES. 259 



PTINUS PECTINICORNIS. 



Those maggots that make worm- holes 

 in tables, chairs, bed-posts, &c. and destroy 

 wooden furniture, especially where there 

 is any sap, arethelarv9e of the ptiiius pecli- 

 , nicornis. This insect, it is probable, depo- 

 sits its eggs on the surface, and the worms 

 eat their way in. 



In their holes they turn into their pupae 

 state, and so come forth winged in July : 

 eating their way through the valances or 

 curtains of a bed, or any other furniture 

 that happens to obstruct their passage. 



They seem to be most inclined to breed 

 in beech ; hence beech will not make last- 

 ing utensils, or furniture. If their eggs are 

 deposited on the surface, frequent rubbing 

 will preserve wooden furniture. White. 



BLATTA ORIENTALIS. COCKROACH. 



A neighbour complained to me that her 

 house was over-run with a kind of black 

 beetle, or, as she expressed herself, with a 

 s 2 



