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You are here: Home / Animals / Blister Beetle

Blister Beetle

blister beetleImage Source

Blister Beetles belong to the family Meloidae.

There are approximately 2,500 known species worldwide.

They are known as ‘Blister beetles’ because they secrete cantharidin, a poisonous chemical causing blistering of the skin and painful swelling.

Cantharidin is used medically to remove warts and is collected for this purpose from species of the genera Mylabris and Lytta, especially Lytta vesicatoria, better known as ‘Spanish fly’ (an emerald-green beetle in the family Meloidae).

Blister beetles are ‘hypermetamorphic’ – a kind of complete metamorphosis in which the different larval instars represent two or more different forms of larva. Blister beetles go through several larval stages, the first of which is typically a mobile triungulin, the first instar larvae in which it has three claws on each foot.

Blister Beetle Larvae

The larvae are insectivorous (a carnivore with a diet that consists primarily of insects and similar small creatures), mainly attacking bees, though a few feed on grasshopper eggs.

While sometimes considered parasitoids, it appears that in general, the Blister Beetle larvae consumes the immature host along with its provisions and can often survive on the provisions alone. The adults sometimes feed on flowers and leaves of plants, such as in the families Amaranthaceae (species of herbs or subshrubs), Compositae (family of flowering plants), Leguminosae (family of flowering plants) and Solanaceae (a family of flowering plants, many of which are edible, while others are poisonous).

Check out more animals that begin with the letter B

 

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About Joanne Spencer

I've always been passionate about animals which led me to a career in training and behaviour. As an animal professional I'm committed to improving relationships between people and animals to bring them more happiness.

Animal Classification

Kingdom:Animalia
Phylum:Arthropoda
Class:Insecta
Order:Coleoptera
Suborder:Polyphaga
Infraorder:Cucujiformia
Superfamily:Tenebrionoidea
Family:Meloidae

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