6.3. A blister beetle, Lytta polita (Coleoptera: Meloidae), reflex-bleeding from the knee joints; the hemolymph contains the toxin cantharidin.


A blister beetle, Lytta polita (Coleoptera: Meloidae), reflex-bleeding from the knee joints; the hemolymph contains the toxin cantharidin.


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Aposematic or mechanically protected caterpillars of the same four species of Acronicta: A. alni (top left); A. leporina (top right); A. aceris (bottom left); and A. psi (bottom right); showing the divergent appearance of the larvae compared with their drab adults.
Aposematic or mechanically protected caterpillars of the same four species of Acronicta: A. alni (top left); A. leporina (top right); A. aceris (bottom left); and A. psi (bottom right); showing the divergent appearance of the larvae compared with their drab adults.
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One of Bates’ mimicry complexes from the Amazon Basin involving species from three different lepidopteran families — Methona confusa confusa (Nymphalidae: Ithomiinae) (top), Lycorea ilione ilione (Nymphalidae: Danainae) (second from top), Patia orise orise (Pieridae) (second from bottom), and a day-flying moth of Gazera heliconioides (Castniidae).
One of Bates’ mimicry complexes from the Amazon Basin involving species from three different lepidopteran families — Methona confusa confusa (Nymphalidae: Ithomiinae) (top), Lycorea ilione ilione (Nymphalidae: Danainae) (second from top), Patia orise orise (Pieridae) (second from bottom), and a day-flying moth of Gazera heliconioides (Castniidae).

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