Figures 4.9


Longitudinal sections through simple eyes:
Figures 4.9. Longitudinal sections through simple eyes:

(a) a simple stemma of a lepidopteran larva; (b) a light-adapted median ocellus of a locust. ((a) After Snodgrass 1935; (b) after Wilson 1978)

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  A pair of queen butterflies, Danaus gilippus (Lepidoptera: Nymphalidae: Danainae), showing aerial “hairpencilling” by the male.
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  Details of the compound eye: