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搜索结果: 1-8 共查到知识库 Scolytidae相关记录8条 . 查询时间(0.062 秒)
The bark beetle Hylastes cunicularius was studied in the Tatra Mountains, West Carpathians, to clarify its role in transferring phoretic uropodine mites during dispersal in a mountain spruce forest. E...
Research on merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) was carried out in spruce stands of different age in the area with an endemic population (Moravian...
The efficiency of two types of pheromone dispensers (ECOLURE classic and ECOLURE tubus) was compared in 2008. Pheromone-baited traps were checked 13 times in 10-day intervals (this guaranteed the effi...
Predation by natural enemies was studied as mortality factors of Hylesinus fraxini in 2006–2007. Predation by birds was not recorded and predation rate by insect reached 0.1%. Only one insect predator...
Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were conducted in 2006. The effect of irradiation on the mating behaviour and reproduction success of the b...
This study deals with the assessment of increment losses in Scots pine trees caused by the maturation feeding of pine shoot beetles Tomicus piniperda (L.) and T. minor (Hart.) (Col., Scolytidae) in e...
This paper deals with the most important groups of insect pathogens, i.e. viruses, bacteria, fungi, nematodes and protozoans (microsporidia). We describe their basic characteristics, virulence, method...
The influence of six levels of fertilizer on the nitrogen content of coffee berries and the resulting incidence of Hypothenemus hampei was investigated on three improved clones of Robusta coffee...

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