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Associations ( İngilizce )

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Foodplant / web feeder
communal larva of Acantholyda erythrocephala feeds from web on needle of Pinus

Foodplant / web feeder
communal larva of Acantholyda erythrocephala feeds from web on needle of Pinus sylvestris

Foodplant / web feeder
communal larva of Acantholyda erythrocephala feeds from web on needles of Pinus strobus
Other: major host/prey

In Great Britain and/or Ireland:
Foodplant / web feeder
communal larva of Acantholyda erythrocephala feeds from web on needles of Pinus sylvestris (native Scottish form)
Other: major host/prey

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Acantholyda erythrocephala ( İngilizce )

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Acantholyda erythrocephala is a species of sawfly in the family Pamphiliidae commonly known as the red-headed pine sawfly or the pine false webworm.[2] Native to Europe, it has been introduced into North America where it has become invasive.[3]

Description

Fully-grown larvae of A. erythrocephala have yellowish heads spotted with dark brown, and greenish-grey bodies with purplish longitudinal stripes on the top and sides.[4] Erythrocephala (Greek) signifies "redhead", a feature of the female adult imago.

Distribution

The species is native to Europe and was introduced to North America in 1925, where it has become widespread in northern parts[3] of the United States and Canada, where it is a major pest of white pine (Pinus strobus). Other trees infested include Scots pine (Pinus sylvestris) and red pine (Pinus resinosa).[5]

Life cycle

Adults emerge in late spring, and after mating, the female lays eggs on the previous year's needles. The eggs hatch in about two weeks and the larvae move to the base of the old needles and start to feed, only moving on to new needles if they exhaust the supply of old ones. The larvae construct silken webbing inside which they live in tubes, chewing off needles and pulling them inside the tubes for consumption; the tubes soon fill up with bits of needles, cast skins and frass.[4] Older larvae construct their own individual tubes. By the end of June the larvae are fully developed and fall to the ground where they create earthen cells in which they spend the winter.[4]

Ecology

In Europe, the larvae of Acantholyda erythrocephala are attacked by the parasitoid Tachinid fly Myxexoristops hertingi. In 2002, 2003 and 2004, in an effort to initiate a biological control programme in North America, pupae of this fly were imported from Italy and released in Ontario in an area of red pine (Pinus resinosa) infested with sawfly larvae. Because populations of sawfly larvae have large natural swings, the impact of the parasitoid fly was difficult to evaluate.[6] Another biocontrol measure investigated involved using an aqueous suspension of Neodiprion abietis nucleopolyhedravirus (NeabNPV); this reduced the survival rate of the sawfly larvae by about 50%, but its impact was again inconclusive.[6]

Defoliation by the sawfly larvae does not directly kill a tree, but it weakens it, allowing pathogens and pests such as bark beetles to attack, and these may result in mortality.[5]

References

  1. ^ Nel, André (2004). "New and poorly known Cenozoic sawflies of France (Hymenoptera, Tenthredinoidea, Pamphilioidea)". Deutsche Entomologische Zeitschrift. 51 (2): 253–269. doi:10.1002/mmnd.20040510208.
  2. ^ "False" because "webworm" is commonly applied to various moth larvae that form conspicuous webs.
  3. ^ a b "Acantholyda erythrocephala: Pine False Webworm". BugGuide. Iowa State University. Retrieved 14 June 2017.
  4. ^ a b c "Pine false webworm". Natural Resources Canada. Retrieved 14 June 2017.
  5. ^ a b Castello, John D.; Teale, Stephen A. (2011). Forest Health: An Integrated Perspective. Cambridge University Press. p. 98. ISBN 978-1-139-50048-7.
  6. ^ a b Mason, Peter G.; Gillespie, David R. (2013). Biological Control Programmes in Canada 2001–2012. CABI. pp. 54–55. ISBN 978-1-78064-257-4.
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Acantholyda erythrocephala: Brief Summary ( İngilizce )

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Acantholyda erythrocephala is a species of sawfly in the family Pamphiliidae commonly known as the red-headed pine sawfly or the pine false webworm. Native to Europe, it has been introduced into North America where it has become invasive.

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Sinine võrgendivaablane ( Estonyaca )

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Sinine võrgendivaablane (Acantholyda erythrocephala) on kiletiivaliste seltsi kuuluv putukaliik.

Putukat on ka Eestis.[1]

Viited

  1. Michael Chinery, 2005. Euroopa putukad. Eesti Entsüklopeediakirjastus. Lk 222

Välislingid

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Sinine võrgendivaablane: Brief Summary ( Estonyaca )

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Sinine võrgendivaablane (Acantholyda erythrocephala) on kiletiivaliste seltsi kuuluv putukaliik.

Putukat on ka Eestis.

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Acantholyda erythrocephala ( Fransızca )

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Le lyda à tête rouge[1] ou pamphile introduit du pin ou pamphile[2] (Acantholyda erythrocephala, anciennement Tenthredo erythrocephala) est une espèce d'insectes de l'ordre des hymenoptères et de la famille des Pamphiliidae.

Répartition et habitat

Répartition

Il est originaire d’Europe et de l’Asie et a été introduit en Amérique du Nord où il est très présent au Canada. Il est présent en France, notamment dans le Nord-Pas-de-Calais.

Habitat

Le pin rouge (Pinus resinosa) et le pin blanc (Pinus strobus) sont les hôtes qu’il préfère. Il peut également se nourrir de pin gris (Pinus banksiana), de pin sylvestre (Pinus sylvestris) et de pin noir d’Autriche (Pinus nigra)[3].

Morphologie

Leur longueur est comprise en 10 et 12 mm. Il est bleu foncé vif et ses ailes sont partiellement foncées. Les femelles ont la tête d'un rouge prononcé vif[1].

Biologie

Les adultes émergent de fin avril à début juin et s'accouplent aussitôt. Les femelles se servent de leur appendice en dents de scie pour scier l'aiguille de pin dans laquelle les œufs seront déposés. Les œufs écloront deux semaines plus tard[3].

Les larves matures ont une tête jaunâtre tachetée brun foncé. À leur coté et leur arrière elles possèdent des rayures rouge violacé. À plusieurs dans des sacs de soie[1] ou des feuilles enroulées, elles se nourrissent en groupe jusqu'à fin juin-début juillet puis elles tombent au sol et passent la saison froide dans des logettes d’hivernation. Le complet développement du stade de l'œuf à la phase adulte peut se faire en un an ou deux[3].

Systématique

L'espèce Tenthredo erythrocephala a été décrite par Carl von Linné en 1758.

Synonymie

Son nom anglais est pine false webworm.

  • Tenthredo erythrocephala Linnaeus, 1758
  • Acantholyda (Acantholyda) erythrocephala (Linnaeus)[4]
  • Acantholyda erythrocephala (Linnaeus)[4]
  • Acantholyda erythrocephala var. vittata Enslin [4]
  • Acantholyda grangeoni Riou [4]
  • Lyda (Lyda) erythrocephala (Linnaeus)[4]
  • Lyda erythrocephala (Linnaeus) [4]
  • Pamphilius erythrocephalus (Linnaeus)[4]

Notes et références

  1. a b et c Heiko Bellmann, Guide Vigot des insectes et des principaux arachnides, Vigot, 2000, p. 246
  2. Collectif (trad. Michel Beauvais, Marcel Guedj, Salem Issad), Histoire naturelle [« The Natural History Book »], Flammarion, mars 2016, 650 p. (ISBN 978-2-0813-7859-9), Pamphile page 297
  3. a b et c « Le pamphile introduit du pin », 28 juillet 2014 (consulté le 28 juillet 2014)
  4. a b c d e f et g Hymenoptera Online
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Acantholyda erythrocephala: Brief Summary ( Fransızca )

wikipedia FR tarafından sağlandı

Le lyda à tête rouge ou pamphile introduit du pin ou pamphile (Acantholyda erythrocephala, anciennement Tenthredo erythrocephala) est une espèce d'insectes de l'ordre des hymenoptères et de la famille des Pamphiliidae.

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Fururoðavespa ( İzlandaca )

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Fururoðavespa (fræðiheiti: Acantholyda erythrocephala[2]), einnig nefnd furuþéla er tegund af sagvespum. Hún er ættuð frá Evrópu en er komin til Norður-Ameríku þar sem hún er ágeng tegund.[3] Í Evrópu sníkja flugur af tegundinni Myxexoristops hertingi á henni svo hún veldur litlum skaða þar.[4][5][6] Á Íslandi hefur hún fundist á suðvesturlandi.[7]

Tilvísanir

  1. Nel, André (2004). „New and poorly known Cenozoic sawflies of France (Hymenoptera, Tenthredinoidea, Pamphilioidea)“. Deutsche Entomologische Zeitschrift. 51 (2): 253–269. doi:10.1002/mmnd.20040510208.
  2. Dyntaxa Acantholyda erythrocephala
  3. Acantholyda erythrocephala: Pine False Webworm“. BugGuide. Iowa State University. Sótt 14. júní 2017.
  4. Mason, Peter G.; Gillespie, David R. (2013). Biological Control Programmes in Canada 2001–2012. CABI. bls. 54–55. ISBN 978-1-78064-257-4.
  5. „Pine false webworm“. Natural Resources Canada. Sótt 14. júní 2017.
  6. Castello, John D.; Teale, Stephen A. (2011). Forest Health: An Integrated Perspective. Cambridge University Press. bls. 98. ISBN 978-1-139-50048-7.
  7. Fururoðavespa Náttúrufræðistofnun Íslands
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Fururoðavespa: Brief Summary ( İzlandaca )

wikipedia IS tarafından sağlandı

Fururoðavespa (fræðiheiti: Acantholyda erythrocephala), einnig nefnd furuþéla er tegund af sagvespum. Hún er ættuð frá Evrópu en er komin til Norður-Ameríku þar sem hún er ágeng tegund. Í Evrópu sníkja flugur af tegundinni Myxexoristops hertingi á henni svo hún veldur litlum skaða þar. Á Íslandi hefur hún fundist á suðvesturlandi.

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Staalblauwe spinselbladwesp ( Felemenkçe; Flemish )

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Insecten

De staalblauwe spinselbladwesp (Acantholyda erythrocephala) is een vliesvleugelig insect uit de familie van de spinselbladwespen (Pamphiliidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1758 door Linnaeus.

Bronnen, noten en/of referenties
Geplaatst op:
07-07-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen. Beginnetje
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