Dicyphus hesperus: Difference between revisions
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==Ecology== |
==Ecology== |
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''Dicyphus hesperus'' is a [[Predation|predator]] and preys on other insects such as [[whitefly]], [[aphid]]s, [[mite]]s and [[caterpillar]]s. It is used in the [[Biological pest control|biological control]] of insect [[Pest (organism)|pests]].<ref>{{cite web |url=http://nathistoc.bio.uci.edu/hemipt/Dicyphus.htm |title=Mirid bug: ''Dicyphus hesperus'' |author=Bryant, Peter J. |work=Hemiptera from Orange County, California |accessdate=2015-07-17}}</ref> However it is not entirely predatory and feeds on plant tissues also. One of its plant hosts is the mullein ''[[Verbascum thapsus]]''.<ref>{{cite journal |author=Bennett, J.A.; Gillespie, D.R.; Van Laerhoven, S.L. |year=2009 |title=Investigating the diet of the omnivorous mirid ''Dicyphus hesperus'' using stable isotopes |journal=Bulletin of Entomological Research |volume=99 |issue=4 |pages=347–358 |doi=10.1017/S0007485308006378 }}</ref> |
''Dicyphus hesperus'' is a [[Predation|predator]] and preys on other insects such as [[whitefly]], [[aphid]]s, [[mite]]s and [[caterpillar]]s. It is used in the [[Biological pest control|biological control]] of insect [[Pest (organism)|pests]].<ref>{{cite web |url=http://nathistoc.bio.uci.edu/hemipt/Dicyphus.htm |title=Mirid bug: ''Dicyphus hesperus'' |author=Bryant, Peter J. |work=Hemiptera from Orange County, California |accessdate=2015-07-17}}</ref> However it is not entirely predatory and feeds on plant tissues also. One of its plant hosts is the mullein ''[[Verbascum thapsus]]''.<ref>{{cite journal |author=Bennett, J.A.; Gillespie, D.R.; Van Laerhoven, S.L. |year=2009 |title=Investigating the diet of the omnivorous mirid ''Dicyphus hesperus'' using stable isotopes |journal=Bulletin of Entomological Research |volume=99 |issue=4 |pages=347–358 |doi=10.1017/S0007485308006378 }}</ref> As an [[omnivore]], it alternates between feeding on plants and on animals, and if deprived of all suitable plant tissue, it will die, even in the presence of whiteflies.<ref>{{cite journal |author=Torres, Jorge Braz; Boyd, David W. |year=2009 |title=Zoophytophagy in predatory Hemiptera |journal=Brazilian Archives of Biology and Technology |volume=52 |issue=5 |doi=10.1590/S1516-89132009000500018 }}</ref> |
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==Use in biological control== |
==Use in biological control== |
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Revision as of 19:24, 17 July 2015
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| Dicyphus hesperus Knight, 1943 [1]
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Dicyphus hesperus, commonly known as the mirid bug, is a species of true bug in the family Miridae. It is native to North America.
Ecology
Dicyphus hesperus is a predator and preys on other insects such as whitefly, aphids, mites and caterpillars. It is used in the biological control of insect pests.[2] However it is not entirely predatory and feeds on plant tissues also. One of its plant hosts is the mullein Verbascum thapsus.[3] As an omnivore, it alternates between feeding on plants and on animals, and if deprived of all suitable plant tissue, it will die, even in the presence of whiteflies.[4]
Use in biological control
Research has shown that the mirid bug preys on the greenhouse whitefly Trialeurodes vaporariorum, and the two-spotted spider mite Tetranychus urticae, both in the laboratory and in a glasshouse planted with tomatoes. When offered both pests it selects the whitefly. The mirid bug completed its development from egg to adult on either of the two food sources, but it grew faster and was larger at maturity when feeding on the whitefly.[5]
References
- ^ "Dicyphus hesperus Knight, 1943". Discover Life. Retrieved 2015-07-17.
- ^ Bryant, Peter J. "Mirid bug: Dicyphus hesperus". Hemiptera from Orange County, California. Retrieved 2015-07-17.
- ^ Bennett, J.A.; Gillespie, D.R.; Van Laerhoven, S.L. (2009). "Investigating the diet of the omnivorous mirid Dicyphus hesperus using stable isotopes". Bulletin of Entomological Research. 99 (4): 347–358. doi:10.1017/S0007485308006378.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Torres, Jorge Braz; Boyd, David W. (2009). "Zoophytophagy in predatory Hemiptera". Brazilian Archives of Biology and Technology. 52 (5). doi:10.1590/S1516-89132009000500018.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ McGregor, Robert R.; Gillespie, David R.; Quiring, Donald M.J.; Foisy, Mitch R.J. (1999). "Potential Use of Dicyphus hesperus Knight (Heteroptera: Miridae) for Biological Control of Pests of Greenhouse Tomatoes". Biological Control. 16 (1): 104–110. doi:10.1006/bcon.1999.0743.
{{cite journal}}: CS1 maint: multiple names: authors list (link)