The Lace-Winged Insects 



but the majority of them live on land, and wherever their prey 

 abounds. Many members of the group are most beneficial in 

 the great number of injurious insects which they destroy, while 

 others are few in number of species and rare in individuals, and 

 some of them prey upon beneficial insects. 



Table of Families 



Hind wings with an anal space i 



Hind wings with no anal space 2 



I — Prothorax quadrangular when seen from above 



Family Sialidae 



Prothorax long and cylindrical Family Raphhiiidce 



2 — Front legs formed for grasping Family Mantispidce 



Front legs of the ordinary type 3 



3 — Wings covered with a whitish powder 



Family Coniopterygidce 



Wings not powdered 4 



4 — Antennae clubbed at end Family Myrmeleonidce 



Antennae not clubbed at end 5 



5 — Antennae moniliform (beaded) Family Hemerobtidce 



6 — Antennae setiform (bristle shaped) Family Chrysopidce 



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