Texas ironclad beetle (Zopherus nodulosus)

Zopherus
Zopherus chilensis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Zopheridae
Genus:
Zopherus

Gray, 1832
Type species
Zopherus mexicanus Gray, 1832
Synonyms

Zopherodes Casey, 1907
Megazopherus Casey, 1907
Zopherinus Casey, 1907

Zopherus is a genus of beetles comprising 19 species. They live in the Americas and are adapted to wood-boring.

Distribution

Bejeweled zopherid beetles

Species of Zopherus only live in the Americas, where they are distributed from Venezuela to the southern United States.[1] Ten species live in the United States,[1] five of them in California.[2]

Description

Members of the genus are long and cylindrical, with very thick exoskeletons. Indeed, the elytra are so thick that it is often necessary to drill a hole in them in order to mount specimens.[3] Species living north of the Rio Grande are almost all uniformly black in colour, while the tropical species are almost all strongly patterned in contrasting black and white. The animal's head is largely hidden by the thorax. The elytra are fused together, rendering Zopherus species unable to fly.[3][4]

Ecology

Zopherus species are adapted for boring into wood, some species even being reported to bore into sound wood, rather than only dead wood.[4] Z. tristis lives under the bark of the desert tamarisk in the Colorado Desert, while Z. granicollis bores into the root crowns of Jeffrey pine (Pinus jeffreyi) and single-leaf pine (Pinus monophylla).[2]

Taxonomy

The genus Zopherus encompasses species previously referred to three other genera, Megazopherus, Zopherinus and Zopherodes, all of which are now synonymized under Zopherus. Many of the species have also been known by a number of taxonomic synonyms.[3] The genus was initially erected in 1832 by George Robert Gray, using the spelling Zopheros. This was later emended by Laporte de Castelnau to the more usual transliteration Zopherus; the authorship should nonetheless ascribed to Gray, and not to Laporte, as many authors have done.[3]

Use as living jewels

The species Zopherus chilensis from Yucatán, Mexico has been used in jewelry as living jewels.[5]

Etymology

The name Zopherus is from the Greek: zopher, meaning "dusky" or "gloomy".[1]

Species

Charles A. Triplehorn recognised 19 species in his 1972 monograph:[3]

References

Wikimedia Commons has media related to Zopherus.
  1. 1 2 3 Mike Quinn (September 6, 2008). "Southwestern Ironclad Beetle Zopherus nodulosus haldemani Horn". Texas Beetle Information. Retrieved March 31, 2010.
  2. 1 2 Arthur V. Evans & James N. Hogue (2006). Field guide to beetles of California. Volume 88 of California natural history guides. University of California Press. pp. 221. ISBN 978-0-520-24657-7.
  3. 1 2 3 4 5 Charles A. Triplehorn (1972). "A review of the genus Zopherus of the world (Coleoptera: Tenebrionidae)" (PDF). Smithsonian Contributions to Zoology. 108: 1–20.
  4. 1 2 Michael A. Ivie (2002). "105. Zopheridae". In Ross H. Arnett & Michael Charles Thomas (ed.). American Beetles: Polyphaga: Scarabaeoidea through Curculionoidea. Volume 2 of American Beetles. CRC Press. pp. 457–462. ISBN 978-0-8493-0954-0.
  5. ↑ Observaciones sobre la biología del Maquech, Zopherus chilensis Gray, 1832 (Coleoptera: Zopheridae) en Yucatán, México. Jesús Miss y Enrique Reyes Novelo Con acceso el 14 de junio de 2012.
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