Figures 2.19


The hind leg of a cockroach, Periplaneta americana (Blattodea: Blattidae), with enlargement of ventral surface of pretarsus and last tarsomere.
Figures 2.19. The hind leg of a cockroach, Periplaneta americana (Blattodea: Blattidae), with enlargement of ventral surface of pretarsus and last tarsomere.

(After Cornwell 1968; enlargement after Snodgrass 1935)

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  Diagrammatic lateral view of a wing-bearing thoracic segment, showing the typical sclerites and their subdivisions.
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  Nomenclature for the main areas, folds, and margins of a generalized insect wing.