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Updated: May 13, 2025
The origin of the colour marks' and patterns on so many of the higher insects, with which we may join the origin of the stick-insects, leaf-insects, etc., is a subject of lively controversy in science to-day.
The rim is frequently of a different tint from the centre, and one species which I have seen is quite startling from the brilliancy of its colouring, which gives it the appearance of a ruby enclosed in a frame of pearl; but this wonderful effect disappears immediately on the death of the insect. ORTHOPTERA. Leaf-insects.
They serve often for concealment, as when leaves are imitated by leaf-insects and many butterflies, or for a disguise that enables predatory species to get within reach of their prey, as in those spiders that resemble the petals of flowers amongst which they hide.
The third table is covered with varieties of the kangaroo beetles, a brilliant collection of ladybirds, the varieties of earwigs, cockroaches, originally tropical insects only; the praying insects, called so from their habit of erecting their fore legs and assuming a prayerful attitude, when, in fact, they are preparing for an attack upon their prey: and the insects which the uninitiated visitor has already mistaken for pieces of stick, but which are the walking leaf-insects; some with wings like dead leaves, and others wingless.
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