ORDER NEUROPTERA. 



41 



The larvcB, so far as they are known, live in the earth, and are 

 Hke caterpillars in their general form. 



Five species occur in this country, the best known being 



Fi£ 



\ 



50. — Bittacus Tipularius. 



Panorpa co7?imums, which may be met with almost everywhere 

 about hedge banks and in lanes. It is about half an inch long. 

 The wings are transparent, with dark brown spots, which are more 

 or less confluent. 



Another species, Boreus hie?nalis, which possesses no wings, is 

 found on the ground among leaves in the winter time. It does 



Fig. 51. — Boreus Hiemalis (Mag.) 



not exceed one-sixth of an inch in length, and is of a metallic- 

 green colour. 



Sub-Order 2. — Trichoptera. 



The members of this group are the insects commonly known as 

 Caddis Flies, and they are often ranked as a separate order by 

 entomological writers. 



Nearly 600 species of Trichoptera occur in Europe, of which 

 about half the number are indigenous to the Bridsh Isles. The 

 larvcR are aquatic, and when full-grown prepare for themselves 

 curious dwellings composed of sticks, stones, and other materials 



