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Protective resemblances amongst insects are so numerous and widespread, and they have been so ably described by Bates and Wallace, that I shall only mention a few of the most noticeable examples that came under my attention, and which have not been described by other authors. Amongst these were the striking modifications of some beetles belonging to the Mordellidae.
In the Mordellidae the head is small, and nearly concealed beneath the large thorax; and in the mimetic forms the latter is coloured so as to resemble the large head and eyes of the wasp or fly imitated. The species that resembles a wasp moves its antennae restlessly, like the latter insect. The movements, as well as the shape and colour of the insect imitated, are mimicked.
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