| 词条 | Stenotus binotatus |
| 释义 |
| name = Stenotus binotatus | image = Miridae - Stenotus binotatus - male.JPG | image_width = 250px | image_caption = Stenotus binotatus, male | image2 = Miridae - Stenotus binotatus - female.JPG | image2_width = 250px | image2_caption =Stenotus binotatus, female | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Hemiptera | familia = Miridae | genus = Stenotus | species = S. binotatus | binomial = Stenotus binotatus | binomial_authority = (Fabricius, 1794) | synonyms_ref = [1] | synonyms =
}} Stenotus binotatus is a species of plant bug, originally from Europe, but now also established across North America and New Zealand. It is {{convert|6|-|7|mm|abbr=on}} long, yellowish, with darker markings on the pronotum and forewings. It feeds on various grasses, and can be a pest of crops such as wheat. DescriptionStenotus binotatus is a fairly large plant bug ({{convert|6|-|7|mm|disp=or}} long), which is somewhat variable in appearance.[1] The insect's sides are roughly parallel, and the colours depend on both the animal's sex and its age, the markings becoming darker and stronger with increasing age. Males are mostly yellow, with darker markings on the pronotum and forewings, which females are greenish-yellow with paler markings.[1]DistributionS. binotatus is native to Europe but has been introduced to temperate regions around the world. It is common "throughout the northern and central U.S. and southern Canada",[2] and it has been introduced to New Zealand,[3] where it now found almost throughout the country.[6]EcologyBoth the nymphs and adults feed on the inflorescences of grasses, especially timothy-grass (Phleum pratense).[1] In New Zealand, S. binotatus has been collected from a large variety of plants, including the grasses brown top, Yorkshire fog, cocksfoot, wheat, barley and maize, and many other plants (including rushes, Hypericum, Leptospermum scoparium, Metrosideros, Nothofagus, Coriaria, Olearia, Muehlenbeckia, Carmichaelia, Larix decidua, Eucalyptus, Melicytus ramiflorus, Coprosma robusta, hemlock and nettles).[6] Adults are active from June to September in the United Kingdom,[1] and in December and January in New Zealand.[4] Crop damageStenotus binotatus produces an enzyme which degrades the gluten in the grasses it feeds on. These enzymes are believed to be responsible for the characteristic "sticky dough" produced from wheat which has been attacked by plant bugs such as S. binotatus.[5]The wheat grain does not show a pale area or puncture mark after attack by S. binotatus, in contrast to other bugs. Instead, the grains appear collapsed.[5] Wheat grains from known bug infestation in New Zealand do not resemble those produced by S. binotatus, and SDS-PAGE patterns also suggest that S. binotatus was not the cause of infestations.[5] Taxonomic historyStenotus binotatus was originally described under the name Lygaeus binotatus by Johan Christian Fabricius in 1794.[6] The genus Stenotus was erected by Wassily Ewgrafowitsch Jakowlew (also transcribed as "Jakovlev") in 1877, and S. binotatus was designated its type species.[7]S. binotatus is known by various common names, including two-spotted plant bug,[8] timothy plant bug,[9] and slender crop mirid.[9]References1. ^1 2 3 {{cite web |url=http://www.britishbugs.org.uk/heteroptera/Miridae/stenotus_binotatus.html |title=Stenotus binotatus |publisher=British Bugs |accessdate=July 17, 2010}} 2. ^{{cite book |author=Eric R. Eaton & Kenn Kaufman |year=2007 |title=Insects of North America |series=Kaufman field guides |publisher=Houghton Mifflin Harcourt |isbn=978-0-618-15310-7 |url=https://books.google.com/books?id=aWVi0IF_jcQC&pg=PA112 |chapter=Plant bugs |pages=112–113}} 3. ^{{cite journal |author=R. A. Cumber |year=1959 |title=The insect complex of sown pastures in the North Island. II. The Hemiptera as revealed by summer sweep-sampling |journal=New Zealand Journal of Agricultural Research |volume=2 |issue=1 |pages=1–25 |url=https://books.google.com/books?id=Wqk4AAAAIAAJ&pg=PA15}} 4. ^1 2 {{cite journal |author=A. C. Eyles |year=1999 |title=Introduced Mirinae of New Zealand (Hemiptera: Miridae) |journal=New Zealand Journal of Zoology |volume=26 |issue=4 |pages=355–372 |doi=10.1080/03014223.1999.9518199}} 5. ^1 2 {{cite journal |author=D. Every, J. A. Farrell & M. W. Stufkens |year=1992 |title=Bug damage in New Zealand wheat grain: the role of various heteropterous insects |journal=New Zealand Journal of Crop and Horticultural Science |volume=50 |issue= |pages=305–312 |url=https://books.google.com/books?id=mgQ4AAAAIAAJ&pg=PA305}} 6. ^1 {{cite web |url=http://research.amnh.org/pbi/catalog/references.php?id=2159 |title=References for species Stenotus binotatus (Fabricius, 1794) |work=On-line Systematic Catalog of Plant Bugs (Insecta: Heteroptera: Miridae) |publisher=American Museum of Natural History |accessdate=July 17, 2010}} 7. ^{{cite book |author=Edward P. van Duzee |year=1916 |title=Check list of the Hemiptera (excepting the Aphidid, Aleurodid and Coccid) of America, north of Mexico |publisher=New York Entomological Society |url=https://archive.org/details/checklistofhemip00vands |chapter=Miridae |pages=35–47}} 8. ^{{cite book |author=Alfred George Wheeler |year=2001 |title=Biology of the plant bugs (Hemiptera: Miridae): pests, predators, opportunists |series=Cornell Series in Arthropod Biology Series |publisher=Cornell University Press |isbn= 978-0-8014-3827-1 |url=https://books.google.com/books?id=0szFXwGVlo4C&pg=PA347 |chapter=Appendix 2. Equivalent common and scientific (Latin) names of mirid species mentioned in the text |page=347}} 9. ^1 {{cite book |year=2002 |title=Bread Wheat: Improvement and Production |editor=B. C. Curtis, S. Rajaram & H. Gómez Macpherson |url=http://www.fao.org/docrep/006/y4011e/y4011e0q.htm |chapter=Insects in wheat-based systems |author=R. H. Miller, K. S. Pike |publisher=Food and Agriculture Organization |isbn=92-5-104809-6 |pages=367–393}} External links{{Wikispecies}}{{Commons category}}
4 : Mirini|Hemiptera of Europe|Agricultural pest insects|Insects described in 1794 |
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