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A scarab beetle grub from Australia. The C-shaped larvae, called grubs, are pale yellow or white. Most adult beetles are nocturnal, although the flower chafers and many leaf chafers are active during the day. The grubs mostly live underground or under debris, so are not exposed to sunlight.
Beetles are sometimes used as instruments: the Onabasulu of Papua New Guinea historically used the "hugu" weevil Rhynchophorus ferrugineus as a musical instrument by letting the human mouth serve as a variable resonance chamber for the wing vibrations of the live adult beetle.
Phanaeus vindex, also known as a rainbow scarab (like other members in its genus [1]), is a North American species of true dung beetle in the family Scarabaeidae. It is found in eastern and central United States ( Florida and New England to Arizona and Wyoming ) and northern Mexico .
Ochodaeidae, also known as the sand-loving scarab beetles, [2] is a small family of scarabaeiform beetles occurring in many parts of the world. [3] These beetles are small, ranging from 3–10 millimetres (0.12–0.39 in). Their bodies are elongate and convex, with black and brown colors including yellowish- and reddish-brown shades. [3]
Phanaeus, the rainbow scarabs, [1] is a genus of true dung beetles in the family Scarabaeidae (scarab beetles), ranging from the United States to northern Argentina, with the highest species richness in Mexico. [2] [3] Depending on species, they can inhabit a wide range of habitats, from tropical to temperate climates and deserts to rainforests.
The scarab beetle subfamily Scarabaeinae consists of species collectively called true dung beetles (there are also dung beetles in other subfamilies and families). Most of the beetles of this subfamily feed exclusively on dung. However, some may feed on decomposing matter including carrion, decaying fruits and fungi.
Trichiotinus piger, the hairy flower chafer or bee-like flower scarab, is a species of beetle in the family Scarabaeidae. Adult chafers eat the leaves and flowers of many deciduous trees, shrubs and other plants, but rarely cause any serious damage. Chafer beetles also act as pollinators for many species of flowering trees.
This superfamily includes some of the largest beetles extant today, including rhinoceros beetles, (Dynastinae), the Hercules beetle (Dynastes hercules) and Goliath beetles (Goliathus sp.). The oldest confirmed member of the group is the extinct genus Alloioscarabaeus from the Middle Jurassic period Jiulongshan Formation of Inner Mongolia , China.