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Cicadomorpha

From Wikipedia, the free encyclopedia

Cicadomorpha
Temporal range: Upper Permian to Holocene
A Magicicada species cicada
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Suborder: Auchenorrhyncha
Infraorder: Cicadomorpha
Evans, 1946
Extant superfamilies
Synonyms

Clypeorrhyncha Sorensen et al., 1995

Cicadomorpha[1] is an infraorder of the insect order Hemiptera which contains the cicadas, leafhoppers, treehoppers, and spittlebugs. There are approximately 35,000 described species worldwide. Distributed worldwide, all members of this group are plant-feeders, and many produce either audible sounds or substrate vibrations as a form of communication. The earliest fossils of cicadomorphs first appear during the Late Permian. Notable extinct members include the "giant cicadas" belonging to Palaeontinidae.

Classification

[edit]

Some authors use the name Clypeorrhyncha (from the Latin clypeus and the Greek ῥύγχος rhúnkhos, 'shielded nose') as a replacement for the extant Cicadomorpha.[2] Nymphs of many Cicadomorphans coat themselves with secretions from specialized Malphigian tubules. They are never coated with hydrophobic wax as seen in the nymphs of Fulgoromorpha. Most Cicadomorphas have a filter chamber in their mid-gut which helps remove excess water from the xylem or phloem sap that they feed on.[3]

Of the three extant superfamilies within the Cicadomorpha, molecular phylogeny studies have placed Membracoidea as a sister group to a clade containing Cicadoidea and Cercopoidea. Within these superfamilies, not all deep phylogeny questions have been resolved.[4]

Modified after Szwedo, 2018.[5]

References

[edit]
  1. ^ Evans JW (1946) A natural classification of leaf-hoppers (Jassoidea, Homoptera). Part 1. External morphology and systematic position. Transactions of the Royal Entomological Society of London 96 (3): 47–60.
  2. ^ Sorensen, J. T.; Campbell, B. C.; Gill, R. J.; Steffen-Campbell, J. D. (1995). "Non-monophyly of Auchenorrhyncha ("Homoptera"), based upon 18S rDNA phylogeny: eco-evolutionary and cladistic implications within pre-Heteropterodea Hemiptera (S. L.) and a proposal for new monophyletic suborders". The Pan-Pacific Entomologist. 71 (1): 31–60.
  3. ^ C. H. Dietrich in Resh, V. H. & Carde, R. T. (Eds.) 2003 Encyclopedia of Insects. Academic Press.
  4. ^ Cryan, Jason R. (2005). "Molecular phylogeny of Cicadomorpha (Insecta: Hemiptera: Cicadoidea, Cercopoidea and Membracoidea): adding evidence to the controversy". Systematic Entomology. 30 (4): 563–574. doi:10.1111/j.1365-3113.2004.00285.x.
  5. ^ Szwedo, Jacek (June 2016). "The unity, diversity and conformity of bugs (Hemiptera) through time". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 107 (2–3): 109–128. doi:10.1017/S175569101700038X. ISSN 1755-6910.