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Buprestidae is a family of beetles, known as jewel beetles or metallic wood-boring beetles because of their glossy iridescent colors. The family is among the largest of the beetles, with some 15,000 species known in 450 genera. The larger and more spectacularly colored jewel beetles are highly prized by insect collectors.

Description and ecology

Shape is generally cylindrical or elongate to ovoid, with lengths ranging from 3 mm to an impressive 100 mm, although most species are under 20 mm. A variety of bright colors are known, often in complicated patterns. The iridescence common to these beetles is not due to pigments in the exoskeleton, but instead physical iridescence in which microscopic texture in their cuticle selectively reflects specific frequencies of light in particular directions. This is the same effect that makes a compact disc reflect multiple colors.

The larvae bore through roots, logs, stems, and leaves of various types of plants, ranging from trees to grasses. The wood boring types generally favor dying or dead branches on otherwise-healthy trees, while a few types attack green wood; some of these are serious pests capable of killing trees and causing major economic damage. Some species are attracted to recently-burned forests to lay their eggs. They can sense pine wood smoke for up to 50 miles away, and can see infrared light, helping them to zero in as they get closer to a forest fire. They will bite if they feel threatened, and can aggregate to swarms of biting beetles in recently burned areas.

Beetlewing

The wings of some Buprestidae species have been traditionally used in beetlewing jewellery and decoration in certain countries in Asia, like Indiamarker, Thailandmarker and Japanmarker.

Systematics

Jewel beetle classification is not yet robustly established, although there appear to be five or six main lineages, which may be considered subfamilies, possibly with one or two being raised to families in their own right. Some other systems define up to 14 subfamilies.

The commonly-accepted subfamilies, with some representative genera, are:

Agrilinae – cosmopolitan, with most taxa occurring in the northern hemisphere Buprestinae – cosmopolitan

Chrysochroinae

Galbellinae Julodinae

Polycestinae

Gallery

Image:Buprestid_nagerhole_green.jpg | A jewel beetle from IndiamarkerImage:Jewel Beetle.JPG | A jewel beetle from Punemarker (India)File:Chrysochroa Fulgidissima (Tamamushi) In Hand.PNG|Chrysochroa fulgidissima from JapanFile:Agrilus viridis bl.JPG|Beech Splendour Beetle (Agrilus viridis) specimen (Agrilinae)File:Temognatha attenuata. Jewel Beetle Cooktown.jpg|Temognatha alternata, a Buprestinae 2.6cm long from Cooktownmarker (Australia)File:Capnodis cariosa bl.JPG|Capnodis cariosa specimen (Chrysochroinae)File:Julodis ehrenbergii bl.jpg|Julodis ehrenbergii from Greecemarker (Julodinae)File:Acmaeodera.jpg|Acmaeodera species (Polycestinae)Image:Wytsman.Genera.Insectorum.Buprestidae.01.jpg|Some jewel beetles from Genera InsectorumFile:Prachtkäfer aus der Grube Messel.JPG|Fossil jewel beetle from the Eocene, found in the Messel Pitmarker (Germanymarker)File:Jewel beetle.jpg|Australian speciesFile:Aaata finchi.jpg|Aaata finchi, one of the largest species

See also

References

  1. Julodini
  2. African Sternocera


External links




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