CHAPTEE XV 



NEUEOPTERA MALLOPHAGA EMBIIDAE 



Order III. Neuroptera. 



Imago vjith hiting mouth ; vritli tioo pairs of loings, the anterior 

 as vjell as the posterior memhranous, usually ivith extensive 

 neuration, consisting of elongate nervures and either of 

 short cross-nervules forming numerous cells or of a com- 

 plex minute mesh-tvork. {One division, Mallophaga, con- 

 sists entirely of ivingless forms ; in Termitidae some of the 

 individuals of each generation hecome winged, hut others 

 do not : except in these cases adult unngless forms are few.) 

 The metamorphosis differs iii the several divisio7is. 



Fig. 212 



, New Forest. 



The Xeuroptera form a heterogeneous, though comparatively 

 small, Order of Insects, includmg termites, stone-flies, dragon - 

 flies, may-flies, caddis-flies, lace-wings, scorpion-flies, ant-lions, etc. 

 Bird-lice are also included in ^Neuroptera, though they have no 

 trace of winces. 



o 



We treat the Order as composed of eleven distinct families, 



