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Walker: Structure of Orthopteroid Insects 



57 



Fig. 6. 



Pig. 6. Diagrams of male genitalia of Orthopteroid types of insects, a, Ephe- 

 merida, based on Callibaetis; b, Dermaptera, based on Anisolahis; c, Dermap- 

 tera, based on Forficula; d, Orthoptera, generalized type, based mainly on 

 Ceuthophilus; e, Phasmoidea, Diapheromera; i, Grylloblattoidea, Gryllo- 

 blatta; g, Blattoidea, based on Periplaneta; h, Mantoidea, based on 

 Stagmomantis. For lettering, see page 71. 



