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The probability of a beetle guarding is dependent on both the sex ratio and the size of an individual. A larger beetle is more likely to guard than a smaller beetle because smaller beetles require more energy to maintain guarding and are thus unable to compete with larger beetles, so the smaller beetles get little marginal benefit by guarding.
Diamphidia, or Bushman arrow-poison beetle, is an African genus of flea beetles, in the family Chrysomelidae. The larvae and pupae of Diamphidia produce a toxin used by Bushmen as an arrow poison. [1] [2] The Finnish explorer Hendrik Jacob Wikar, who travelled in Southern Africa in 1773–1779, described the larvae as "poisonous worms".
The larva is usually the principal feeding stage of the beetle life cycle. Larvae tend to feed voraciously once they emerge from their eggs. Some feed externally on plants, such as those of certain leaf beetles, while others feed within their food sources. Examples of internal feeders are most Buprestidae and longhorn beetles. The larvae of ...
Coleomegilla maculata, commonly known as the spotted lady beetle, pink spotted lady beetle or twelve-spotted lady beetle, is a large coccinellid beetle native to North America. The adults and larvae feed primarily on aphids and the species has been used as a biological control agent .
The underside of the beetle has a coppery colour, and its upper side is sometimes bronze, copper, violet, blue/black, or grey. Cetonia aurata should not be confused with the North American rose chafer, Macrodactylus subspinosus , or with the rarely seen noble chafer , Gnorimus nobilis , which is very similar to the rose chafer.
Diamphidia nigroornata or Bushman arrow-poison beetle, is an African leaf beetle species in the genus Diamphidia. The larvae and pupae of Diamphidia produce a toxin used by San people as an arrow poison. [1] [2] The Finnish explorer Hendrik Jacob Wikar, who travelled in Southern Africa in 1773–1779, described the larvae as "poisonous worms".
English: 1: The adult beetle burrows hole into wood and lays eggs, carrying fungal spores. 2: The larva feeds on the fungus which digest the wood, removing toxins: they mutually benefit 3: The larva pupates and then ecloses.
Meloe violaceus, the violet oil beetle, is a species of oil beetle belonging to the family Meloidae subfamily Meloinae. These beetles are present in most of Europe , in the eastern Palearctic realm , in the Near East , and in North Africa .