DENDROCTONUS MICANS PDF

Dendroctonus micans. Survey Reference. 1. Dendroctonus micans (Kugelann). Coleoptera: Curculionidae: Scolytinae. Great spruce bark beetle. Host(s). Pest management with Dendroctonus micans. Our approach to management is to breed and release a host-specific predatory beetle, Rhizophagus grandis, that. An environmentally sound method of pest management to control an alien pest, the great spruce bark beetle, Dendroctonus micans.

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Shavliashvili IA; Zharkov D, The female beetle excavates a tunnel in the bark of a host tree and creates a brood chamber. Journal of Applied Entomology, Variations de la pression osmotique de Picea excelsa a la suite des attaques de Dendroctonus micans Kug.

Pest categorisation of Dendroctonus micans

Don’t need the entire report? The great spruce bark beetle in dsndroctonus forests of the Ryazan region. The average number of larvae per tree was on these 4 plots in 10 trees and, it was 40 on the other 16 plots.

Outbreak of Dendroctonus micans. Pheromonal Control Since this insect does not produce an aggregating pheromone, pheromonal control is not a viable control method.

The adult beetles can remain underneath the bark of the trees in which they developed for long periods, if the conditions for emergence are not suitable. Changes in the distribution of some insect species in Lower Silesia.

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Distribution Top of page D. The great spruce bark beetle mainly infests spruce trees, genus Piceabut it will also attack Scots pine and several other species of Pinussilver firNordmann firSiberian firDouglas firand European larch.

The life cycle of R. Rhizophagidae 6 years after release in the Foret domaniale du Mezenc France. Prevention and Control Top of page Cultural Control The felling, removal and rapid processing of infested trees to destroy broods is a widely imcans control method for D.

One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. It also breeds in other Eurasian spruce species such as Picea asperata dragon sprucePicea crassifolia Qinghai sprucePicea ajanensis [Picea jezoensis] ezo sprucePicea obovata Siberian dendroctonuus and Picea omorika Serbian spruceas well as in several North American spruce species that have been introduced into its geographic range.

To ensure positive identification, a taxonomist, with expertise in the family Scolytidae, should examine bark beetles believed to be a new introduction.

This insect is now established across most of western Europe from European Russia, west to Belgium and France, south to Turkey, and north to Finland and Sweden.

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Plant Protection Science, 52 4: The number of D. The larval colony feeds upwards and outwards from its origin. Establishment and spread of Rhizophagus grandis Gyll.

In other projects Wikimedia Commons Wikispecies. Dendroctnus great spruce bark beetle is unusual among members of its genus in that the beetles mate before they emerge from under the bark, while they are not yet fully chitinised. Each tree is weakened by the tunnelling activities of the beetles and larvae; this kills the bark in a limited area, and it may be five to eight years before the tree is girdled and dies.

Adult flight and, more commonly, walking, play an denndroctonus part in adult dispersal. Fifty one percent of the entry and exit holes, an indicator of the active D.

Forestry Oxford64 4: However, this insect is not present in North America. London; Her Majesty’s Stationery Office, 11 pp.

Dendroctonus micans (great spruce bark beetle)

The effectiveness of R. It was observed that D. Wikimedia Commons has media related to Dendroctonus micans.