Figures 3.1


Dissections of (a) a female American cockroach, Periplaneta americana (Blattodea: Blattidae), and (b) a male black field cricket, Teleogryllus commodus (Orthoptera: Gryllidae).
Figures 3.1. Dissections of (a) a female American cockroach, Periplaneta americana (Blattodea: Blattidae), and (b) a male black field cricket, Teleogryllus commodus (Orthoptera: Gryllidae).

The fat body and most of the tracheae have been removed; most details of the nervous system are not shown.

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  Male external genitalia.
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  Muscle attachments to body wall: