Figures 10.8


The whirligig beetle, Gyretes (Coleoptera: Gyrinidae), swimming on the water surface.
Figures 10.8. The whirligig beetle, Gyretes (Coleoptera: Gyrinidae), swimming on the water surface.

Note: the divided compound eye allows the beetle to see both above and below water simultaneously; hydrofuge hairs on the margin of the elytra repel water. (After White et al. 1984)

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  A caddisfly larva (Trichoptera: Hydropsychidae) in its retreat; the silk net is used to catch food.
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  Christmas beetles of Anoplognathus (Coleoptera: Scarabaeidae) on the chewed foliage of a eucalypt tree (Myrtaceae).