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Dung Beetle |
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Common Name: Dung beetle Scientific Name: Phanaeus vindex MacLachlan; Onthophagus gazella Fabricius Order: Coleoptera Description: Males and female beetles are between
½ and 1 inch long and overall metallic blue-green and copper. The front
of the head is flattened and golden bronze. The male has a long, curved
horn extending from the front of the head (clypeus) while the slightly
larger female has a tubercle. The front legs are modified for digging. Life Cycle: Adult male and females, working in pairs, dig deep burrows underneath animal excrement in which they bury portions of the droppings. Eggs, deposited in the excrement, hatch and C-shaped grubs (larvae) feed on the dung. The grubs develop through several stages (instars) before pupating within cells in the remains of the excrement. Habitat and Food Source(s): Mouthparts are for chewing. Larvae feed on animal excrement buried by the adults. These beetles are rarely encountered unless an effort is made to examine fresh potential larval habitats! Animal excrement is rich in insect fauna and can yield these strikingly beautiful beetles. Beetles can be washed to remove debris. Pest Status: This species, along with other dung beetles, plays an important role in nature: reducing fecal material in nature and thereby reducing the habitat for filth-breeding flies; considered beneficial and medically harmless. Management: None, they are considered a beneficial insect. For additional information, contact your local Texas Cooperative Extension agent or search for other state Extension offices. Literature: Borror et al. 1989. Swan & Papp
1972. |
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