Rhynchodes

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Rhynchodes
Rhynchodes ursus dorsal.jpg
Dorsal view of a specimen of Rhynchodes ursus
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Curculionidae
Subfamily: Cryptorhynchinae
Genus:Rhynchodes
White, 1846 [1]

Rhynchodes is a genus of beetles belonging to the family Curculionidae. They are restricted to New Zealand and New Caledonia. [1]

Curculionidae Family of beetles

The Curculionidae are the family of the "true" weevils. They are one of the largest animal families, with 6,800 genera and 83,000 species described worldwide.

List of species

There are ten species: [2]

<i>Rhynchodes ursus</i> Species of beetle

Rhynchodes ursus, or elephant weevil, is a wood-boring weevil found all over New Zealand. Adult weevils are found on trees, where they gather to feed on sap. Larvae tunnel into dead trunks and branches of southern beeches, rimu and Dracophyllum traversii. This large weevil has a deep brown colour with two lighter bands near the side of its thorax. It has black legs with a spot of yellowish-brown hairs on each femur. It has dense scales on its body, which can be hair-like. In female specimens the antennae are inserted halfway along the rostrum and nearer the front in males. The larvae of Rhynchodes ursus are the host of New Zealand's largest parasitic wasp, Certonotus fractinervis. Female wasps use a long ovipositor to lay eggs inside the larvae whilst they develop inside trees.

Sources

  1. 1 2 Lyal, C.H.C. (1993). "Cryptorhynchinae" (PDF). Fauna of New Zealand. 29: 51. Retrieved 25 February 2018.
  2. "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Catalogue of Life. Catalogue of Life. Retrieved 25 February 2018.

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