Feeding habits of Pityogenes chalcographus (L.) (Coleoptera: Scolytinae) on Norway Spruce( Picea abies ) L. (Karst.) logging residues in wind-damaged stands in southern Poland

Magdalena Kacprzyk

Abstract

The effect of deposition of logging residues (e.g. cut branches and tree tops) on infestation density and reproductive efficiency of the smaller European (six-toothed) spruce bark beetle, Pityogenes chalcographus (L.) (Coleoptera: Scolytinae), was studied on Norway Spruce (Picea abies) L. (Karst.) stands in southern Poland. It was found that such materials, originating from windbreaks and windfalls and spread loosely over the forest floor, were more readily infested by P. chalcographus than materials gathered in piles. However, the beetles achieved a significantly higher reproductive efficiency (number of new generation beetles per each parent individual) on branches in piles than on those spread loosely. In piles, the P. chalcographus infestation density, measured as the total number of individuals per square decimetre of bark area, and reproductive efficiency varied, depending on the location of the branches in a pile. The most favourable breeding conditions occurred in the middle layer of a pile. It was also found that at different infestation densities the method and placement of woody debris deposition did not affect the number of beetles that emerged. These results are discussed in the context of using logging residues as natural traps for bark beetles.
Author Magdalena Kacprzyk (FoF / FEPI / DoFPEaC)
Magdalena Kacprzyk,,
- DEPARTMENT OF FOREST PROTECTION, ENTOMOLOGY AND FOREST CLIMATOLOGY
Journal seriesInternational Journal of Pest Management, ISSN 0967-0874, e-ISSN 1366-5863, (A 20 pkt)
Issue year2012
Vol58
No2
Pages121-130
Publication size in sheets0.5
Keywords in Englishbark beetles; reproductive efficiency; slash management; windfalls; windbreaks
ASJC Classification1102 Agronomy and Crop Science; 1109 Insect Science
DOIDOI:10.1080/09670874.2012.669077
URL https://www.tandfonline.com/doi/full/10.1080/09670874.2012.669077
Languageen angielski
Score (nominal)20
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2014 = 0.637; WoS Impact Factor: 2012 = 0.718 (2) - 2012=0.757 (5); WoS Citations = 7
Citation count*
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FinansowanieThese investigations were supported by a research project from the Ministry of Science and Higher Education (grant N309 026 32/2786, The effect of the branch treatment methods in spruce stands after thinning, salvage and clear cuttings on the bark beetles’ breeding conditions in Beskid Z_ ywiecki mountain range).
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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