Bactra venosana: Difference between revisions
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*''Phoxopteris venosana'' <small>Zeller, 1847</small> |
*''Phoxopteris venosana'' <small>Zeller, 1847</small> |
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*''Aphelia venosana'' |
*''Aphelia venosana'' <small>Herrich-Schaffer, 1849</small> |
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*''Bactra banosii'' <small>Gozmny, 1960</small> |
*''Bactra banosii'' <small>Gozmny, 1960</small> |
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*''Bactra geraropa'' <small>Meyrick, 1931</small> |
*''Bactra geraropa'' <small>Meyrick, 1931</small> |
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*''Bactra truculenta'' <small>Meyrick, 1909</small> |
*''Bactra truculenta'' <small>Meyrick, 1909</small> |
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'''''Bactra venosana''''', the '''nutgrass borer''' or '''nutsedge borer''', is a [[moth]] of the family [[Tortricidae]]. It was first described by [[Philipp Christoph Zeller]] in 1847. It has a wide distribution, from southern Europe, [[North Africa]] and [[Asia Minor]] to [[India]], [[Sri Lanka]], southern [[China]], [[Malay Peninsula|Malaya]], [[Australia]] and into the [[Pacific]] where it is found on [[Java]], [[Borneo]], the [[Philippines]], [[Taiwan]], [[Timor]], the [[Solomon Islands|Solomons]], the [[Caroline Islands|Carolines]] and [[Fiji]]. It was introduced to [[Hawaii]] in 1925 to control nutsedge. It is now found on [[Kauai]], [[Oahu]], [[Molokai]], [[Maui]], [[Lanai]] and [[Hawaii (island)|Hawaii]]. |
'''''Bactra venosana''''', the '''nutgrass borer''' or '''nutsedge borer''', is a [[moth]] of the family [[Tortricidae]].<ref>{{cite web |url=http://www.catalogueoflife.org/col/details/species/id/be0ddca71851084622995b3e1a8e14e9 |title=Species Details : Bactra venosana Zeller, 1847 |publisher=Catalogue of Life |accessdate=29 July 2018}}</ref> It was first described by [[Philipp Christoph Zeller]] in 1847. It has a wide distribution, from southern Europe, [[North Africa]] and [[Asia Minor]] to [[India]], [[Sri Lanka]], southern [[China]], [[Malay Peninsula|Malaya]], [[Australia]] and into the [[Pacific]] where it is found on [[Java]], [[Borneo]], the [[Philippines]], [[Taiwan]], [[Timor]], the [[Solomon Islands|Solomons]], the [[Caroline Islands|Carolines]] and [[Fiji]]. It was introduced to [[Hawaii]] in 1925 to control nutsedge. It is now found on [[Kauai]], [[Oahu]], [[Molokai]], [[Maui]], [[Lanai]] and [[Hawaii (island)|Hawaii]]. |
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==Biology== |
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The larvae feed on ''[[Cyperus |
The larvae feed on ''[[Cyperus rotundus]]''<ref>{{cite web |url=http://www.repository.naturalis.nl/document/149137 |title=ON A COLLECTION OF SOME FAMILIES OF MICRO-LEPIDOPTERA FROM SRI LANKA (CEYLON) |publisher=repository|accessdate=28 July 2018}}</ref> and ''[[Kyllingia]]'' species, including ''[[Kyllinga brevifolia]]'' and ''[[Kyllingia monocephala]]''. They bore the stem of their host plant. |
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Affected plants first show a withering of the inner leaves, which become yellow and finally die. |
Affected plants first show a withering of the inner leaves, which become yellow and finally die. Early instars are pale, glassy yellowish, with a shining black head. Full-grown caterpillars are green or pale yellowish. They spin a tube of silk in the stem and in this cocoon sheds its skin to turn into a pupa of about 5–7 mm long. Adults have grayish fore wings with complex brown markings. Hind wings plain grayish.<ref>{{cite web |url=http://lepidoptera.butterflyhouse.com.au/tort/venosana.html |title=Nutgrass Borer description |publisher=Butterfly House |accessdate=29 July 2018}}</ref> |
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==Control== |
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Mechanical methods such as hand picking of adults and caterpillars are effective. Pheromone traps and light traps are also effective. Eggs can be destroyed biologicaly by using egg parasitoid ''[[Trichogrammatoidea bactrae]]''.<ref>{{cite web |url=https://link.springer.com/article/10.1007/BF02981429 |title=Suppression ofbactra venosana, a potential natural enemy ofcyperus rotundus, by trichogrammatoidea bactrae in Bangalore, India |publisher=Phytoparasitica|accessdate=28 July 2018}}</ref> |
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==External links== |
==External links== |
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Revision as of 15:05, 26 August 2018
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| Species: | B. venosana
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| Bactra venosana (Zeller, 1847)
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Bactra venosana, the nutgrass borer or nutsedge borer, is a moth of the family Tortricidae.[1] It was first described by Philipp Christoph Zeller in 1847. It has a wide distribution, from southern Europe, North Africa and Asia Minor to India, Sri Lanka, southern China, Malaya, Australia and into the Pacific where it is found on Java, Borneo, the Philippines, Taiwan, Timor, the Solomons, the Carolines and Fiji. It was introduced to Hawaii in 1925 to control nutsedge. It is now found on Kauai, Oahu, Molokai, Maui, Lanai and Hawaii.
Biology
The larvae feed on Cyperus rotundus[2] and Kyllingia species, including Kyllinga brevifolia and Kyllingia monocephala. They bore the stem of their host plant.
Affected plants first show a withering of the inner leaves, which become yellow and finally die. Early instars are pale, glassy yellowish, with a shining black head. Full-grown caterpillars are green or pale yellowish. They spin a tube of silk in the stem and in this cocoon sheds its skin to turn into a pupa of about 5–7 mm long. Adults have grayish fore wings with complex brown markings. Hind wings plain grayish.[3]
Control
Mechanical methods such as hand picking of adults and caterpillars are effective. Pheromone traps and light traps are also effective. Eggs can be destroyed biologicaly by using egg parasitoid Trichogrammatoidea bactrae.[4]
External links
- Zimmerman, Elwood C. (1978). Insects of Hawaii. Vol. 9 Microlepidoptera. The University Press of Hawaii, Honolulu.
- Species info
 | This Olethreutinae-related article is a stub. You can help Wikipedia by expanding it. |
- ^ "Species Details : Bactra venosana Zeller, 1847". Catalogue of Life. Retrieved 29 July 2018.
- ^ "ON A COLLECTION OF SOME FAMILIES OF MICRO-LEPIDOPTERA FROM SRI LANKA (CEYLON)". repository. Retrieved 28 July 2018.
- ^ "Nutgrass Borer description". Butterfly House. Retrieved 29 July 2018.
- ^ "Suppression ofbactra venosana, a potential natural enemy ofcyperus rotundus, by trichogrammatoidea bactrae in Bangalore, India". Phytoparasitica. Retrieved 28 July 2018.