Seq # 490380040

Dioryctria sylvestrella (Ratzeburg, 1840) Species

Last modified: Oct. 27, 2023, 6:34 p.m.


A widespread and not so common species in Belgium.


Details

Classification
Family: Pyralidae > Subfamily: Phycitinae > Tribus: Phycitini > Genus: Dioryctria > Species: Dioryctria sylvestrella
Vernacular names
Egale sparappelboorder (NL), New Pine Knot-horn (EN), la Pyrale des troncs (FR), Kiefern-Harzzünsler (DE)
Synonyms
Dioryctria splendidella sensu auct., nec (Herrich-Schäffer, 1848)
First mention in Belgium
Janmoulle E. 1949b. Espèces nouvelles pour la faune belge (suite). — Lambillionea 49: 90–91, 110. On page 110.
Status

Native


Distribution


Imago

Wingspan 28–35 mm. Generally the largest of the four Dioryctria species occurring in Belgium, it is best distinguished by the shape of the subterminal line, which is more smoothly curved than the obvious dentate lines of the other species. In addition, the sub-terminal line approaches the dorsum almost at a right-angle.

Museum specimens

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Specimens in nature


Bionomics

The larvae bore under the bark of the trunk, an extensive extrusion of resin often is the result. Pupation in the larval habitation. The adults come to light.

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Flight periods

The adults fly from July till the end of September.


Observed on

Host plant (genera):
Pinus

The larva lives on Pinus.

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Habitat

It inhabits pine forests.

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