Lathrolestes ensator: Difference between revisions
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'''''Lathrolestes ensator''''' is a [[species ]]of wasp in the [[Family (biology)|family]] ''[[Ichneumonidae]]''. it is a [[Predation#Parasitoidism|parasitoid]] of the apple sawfly ''[[Hoplocampa testudinea]]''. Both insects are native to Europe, but the sawfly has been accidentally introduced into North America where it has become established. The larvae of the sawfly tunnel into developing apple fruitlets which later fall to the ground, where the larvae continue their development. The wasp parasitises the larvae and has been released in North America as part of a biological control programme for the sawfly.<ref name=Ontario>{{cite web |url=http://www.omafra.gov.on.ca/english/crops/facts/eurosaw.htm |title=European apple sawfly |publisher=Ontario: Ministry of Agriculture, Food and Rural Affairs |accessdate=14 May 2017}}</ref> |
'''''Lathrolestes ensator''''' is a [[species ]]of wasp in the [[Family (biology)|family]] ''[[Ichneumonidae]]''. it is a [[Predation#Parasitoidism|parasitoid]] of the apple sawfly ''[[Hoplocampa testudinea]]''. Both insects are native to Europe, but the sawfly has been accidentally introduced into North America where it has become established.<ref>{{cite book|author1=Langor, David|author2=Sweeney, Jon|title=Ecological Impacts of Non-Native Invertebrates and Fungi on Terrestrial Ecosystems|url=https://books.google.com/books?id=BPzGb-Y0p3sC&pg=PA14 |year=2009|publisher=Springer Science & Business Media |isbn=978-1-4020-9680-8 |page=14}}</ref> The larvae of the sawfly tunnel into developing apple fruitlets which later fall to the ground, where the larvae continue their development. The wasp parasitises the larvae and has been released in North America as part of a [[Biological pest control|biological control]] programme for the sawfly.<ref name=Ontario>{{cite web |url=http://www.omafra.gov.on.ca/english/crops/facts/eurosaw.htm |title=European apple sawfly |publisher=Ontario: Ministry of Agriculture, Food and Rural Affairs |accessdate=14 May 2017}}</ref> |
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==Ecology== |
==Ecology== |
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==Use in biological control== |
==Use in biological control== |
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In Europe, the [[Hoplocampa testudinea|apple sawfly]] is part of the [[food web]], but when it was accidentally introduced into North America, there were no natural enemies to control it and it caused much damage to the apple crop. In a classical [[biological control]] programme. ''L. ensator'' was released into Quebec between 1994 and 2001 and became established in the [[Frelighsburg, Quebec|Frelighsburg]] area. Further work was undertaken between 2002 and 2015 to spread the parasite throughout eastern North America. This was done by collecting fallen fruitlets of apple trees in infected orchards in the Frelighsburg area, and scattering them in orchards in other parts of Quebec, Ontario, Nova Scotia and New Hampshire. As a result of this introduction, the wasp became established in three other parts of Quebec and in [[Hilton, Ontario|Hilton]] in Ontario.<ref>{{cite journal |author=Vincent, Charles; Appleby, Margaret; Eaton, Alan; Lasnier, Jacques |year=2016 |title=Dissemination of ''Lathrolestes ensator'' (Ichneumonidae), a larval parasite of the European Apple Sawfly, ''Hoplocampa testudinea'' (Tenthredinidae), in Eastern North America |journal=Biological Control |volume=100 |pages=1–6 |doi=10.1016/j.biocontrol.2016.03.012}}</ref> |
In Europe, the [[Hoplocampa testudinea|apple sawfly]] is part of the [[food web]], but when it was accidentally introduced into North America, there were no natural enemies to control it and it caused much damage to the apple crop. In a classical [[Biological pest control|biological control]] programme. ''L. ensator'' was released into Quebec between 1994 and 2001 and became established in the [[Frelighsburg, Quebec|Frelighsburg]] area. Further work was undertaken between 2002 and 2015 to spread the parasite throughout eastern North America. This was done by collecting fallen fruitlets of apple trees in infected orchards in the Frelighsburg area, and scattering them in orchards in other parts of Quebec, Ontario, Nova Scotia and New Hampshire. As a result of this introduction, the wasp became established in three other parts of Quebec and in [[Hilton, Ontario|Hilton]] in Ontario.<ref>{{cite journal |author=Vincent, Charles; Appleby, Margaret; Eaton, Alan; Lasnier, Jacques |year=2016 |title=Dissemination of ''Lathrolestes ensator'' (Ichneumonidae), a larval parasite of the European Apple Sawfly, ''Hoplocampa testudinea'' (Tenthredinidae), in Eastern North America |journal=Biological Control |volume=100 |pages=1–6 |doi=10.1016/j.biocontrol.2016.03.012}}</ref> |
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==References== |
==References== |
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Revision as of 06:32, 19 May 2017
| Lathrolestes ensator | |
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| Species: | L. ensator
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| Lathrolestes ensator (Brauns, 1898)
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Lathrolestes ensator is a species of wasp in the family Ichneumonidae. it is a parasitoid of the apple sawfly Hoplocampa testudinea. Both insects are native to Europe, but the sawfly has been accidentally introduced into North America where it has become established.[1] The larvae of the sawfly tunnel into developing apple fruitlets which later fall to the ground, where the larvae continue their development. The wasp parasitises the larvae and has been released in North America as part of a biological control programme for the sawfly.[2]
Ecology
Researchers in Holland found that L. ensator was the only parasitoid of apple sawfly larvae and that the sawfly was the only host for the wasp. The favoured time for injection of an egg was the second instar larva of the sawfly, and the spring emergence of the adult wasp usually synchronised with this stage of the host's life cycle. The female wasp had around 150 eggs but did not actually oviposit as many as half of these.[3]
Use in biological control
In Europe, the apple sawfly is part of the food web, but when it was accidentally introduced into North America, there were no natural enemies to control it and it caused much damage to the apple crop. In a classical biological control programme. L. ensator was released into Quebec between 1994 and 2001 and became established in the Frelighsburg area. Further work was undertaken between 2002 and 2015 to spread the parasite throughout eastern North America. This was done by collecting fallen fruitlets of apple trees in infected orchards in the Frelighsburg area, and scattering them in orchards in other parts of Quebec, Ontario, Nova Scotia and New Hampshire. As a result of this introduction, the wasp became established in three other parts of Quebec and in Hilton in Ontario.[4]
References
- ^ Langor, David; Sweeney, Jon (2009). Ecological Impacts of Non-Native Invertebrates and Fungi on Terrestrial Ecosystems. Springer Science & Business Media. p. 14. ISBN 978-1-4020-9680-8.
- ^ "European apple sawfly". Ontario: Ministry of Agriculture, Food and Rural Affairs. Retrieved 14 May 2017.
- ^ "Impact of the parasitoid Lathrolestes ensator (Hym., Ichneumonidae, Ctenopelmatinae) as antagonist of apple sawfly Hoplocampa testudinea (Hym., Tenthredinidae)". Journal of Applied Entomology.
- ^ Vincent, Charles; Appleby, Margaret; Eaton, Alan; Lasnier, Jacques (2016). "Dissemination of Lathrolestes ensator (Ichneumonidae), a larval parasite of the European Apple Sawfly, Hoplocampa testudinea (Tenthredinidae), in Eastern North America". Biological Control. 100: 1–6. doi:10.1016/j.biocontrol.2016.03.012.
{{cite journal}}: CS1 maint: multiple names: authors list (link)