Figures 17.1


A diagrammatic pitfall trap cut away to show the inground cup filled with preserving fluid.
Figures 17.1. A diagrammatic pitfall trap cut away to show the inground cup filled with preserving fluid.

(After an unpublished drawing by A. Hastings)

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  The mode of infection of insect larvae by baculoviruses.
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  Pin positions for representative insects: