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Tenebrionoidea

From Wikipedia, the free encyclopedia

Tenebrionoidea
Central European Tenebrionoidea
with some anatomical details
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Cucujiformia
Superfamily: Tenebrionoidea
Latreille, 1802
Families

See text.

Synchroa punctata larva

The Tenebrionoidea are a very large and diverse superfamily of beetles.[1] It generally corresponds to the Heteromera of earlier authors.

Taxonomy

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Tenebrionoidea contains the following families:

The largest family by far is Tenebrionidae, with (as of 2014) approximately 20,000 species and almost two-thirds of the species richness of the superfamily.[2]

Morphology

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The Tenebrionoidea show a range of different morphologies. However, one characteristic of most adults is having 5 tarsomeres on the fore- and midlegs, and 4 tarsomeres on the hindleg (tarsal formula 5-5-4). Occasionally, males have tarsal formula reduced to 4-4-4, 3-3-3 or 3-4-4.[2]

Larval Tenebrionoidea can be distinguished by various features of the head: a posteriorly diverging gula with well developed gular ridges, posterior tentorial arms being shifted anteriorly, asymmetric mandibles, the M. craniocardinalis vestigial or absent, and the M. tentoriopharyngalis posterior subdivided into several bundles. The body is usually sub-parallel and slightly flattened, but other shapes have evolved to suit different needs, such as cylindrical for boring larvae, strongly flattened for larvae living under bark, and c-shaped and grub-like for larvae with specialised developmental strategies (e.g. post-triungulin larvae of Rhipiphoridae and Meloidae).[1]

Ecology

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Many tenebrionoid families are fungus feeders, but there are a wide range of other feeding strategies including feeding on wood or on decaying plant material, pollen-feeding (by many Oedemeridae and Anthicidae), and acting as ectoparasitoids of other insects (Ripiphoridae). A small number of species are predators or feed on living plant tissue.[2]

Tenebrionoidea show a particular diversity in arid environments.[2] One adaptation shown by some (e.g. Onymacris unguicularis) is the ability to gather water from fog in order to drink.[3]

References

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  1. ^ a b Beutel, RG; Friedrich, F (2005). "Comparative study of larvae of Tenebrionoidea (Coleoptera: Cucujiformia)" (PDF). European Journal of Entomology. 102 (2): 241–264. doi:10.14411/eje.2005.037. Retrieved 22 June 2018.
  2. ^ a b c d Gunter, Nicole L.; Levkaničová, Zuzana; Weir, Tom H.; Ślipiński, Adam; Cameron, Stephen L.; Bocak, Ladislav (2014-10-01). "Towards a phylogeny of the Tenebrionoidea (Coleoptera)". Molecular Phylogenetics and Evolution. 79: 305–312. doi:10.1016/j.ympev.2014.05.028. ISSN 1055-7903. PMID 25053567.
  3. ^ Hamilton, William J.; Seely, Mary K. (1976). "Fog basking by the Namib Desert beetle, Onymacris unguicularis". Nature. 262 (5566): 284–285. Bibcode:1976Natur.262..284H. doi:10.1038/262284a0. ISSN 1476-4687. S2CID 4192150.
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