Results 181 to 190 of about 5,652 (204)
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Zur Anlockung des Buchdruckers (Ips typographusL.)
Journal of Applied Entomology, 1986AbstractOn the attraction of Ips typographus L. II. Integration of natural breeding material in control methods by pheromonesBetween 1981 and 1983 in the forest districts of Fürstenberg and Neuhaus (Soiling hills) and Lonau (Harz mountains) experiments were performed to increase the effectiveness of pheromone traps againstIps typographus.This was ...
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Ips typographus Predisposition Maps for Austrian Forests
2023Hallas, Till +8 more
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Ips typographus (eight-toothed bark beetle)
PlantwisePlus Knowledge Bank, 2022openaire +1 more source
About Ips typographus trapping in low elevation Norway spruce stands
1995Des captures du typographe, Ips typographus, ont été effectuées, à l'aide de pièges artificiels, dans trois pessières de basse altitude, entre 1990 et 1993. L'analyse des résultats a montré que : le pheroprax est un diffuseur de phéromone qui n'a besoin d'être renouvelé qu'une fois pendant la période de vol de l'insecte ; les dates de départ de l ...
Malphettes, C.B., Saintonge, F.X.
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Role mikrobiálních symbiontů v životním cyklu Ips typographus
2020Bark beetles (Coleoptera;Scolytinae) are usually considered as pests, because they attack trees in the protected and recreational forests and in the forests with economic importance. Their larvae develop under the bark, where it disturb the conductive tissues and affect the nutrient transport. Ips typographus attack Norway spruce (Picea abies).
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Observations on Ips Typographus L. trapping on windfallen wood
1987Results of Ips typographus trapping experiments using pheromones (pheroprax) spruce forests ruined by a storm in the Hurtières range (Savoie) and in Chartreuse (Isère) are presented. The biological cycle of this insect in the given region has been described.
Abgrall, J.F., Schvester, D.
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Ulrastructural details of Ips typographus entomopoxvirus spheroids and spindles
2018Transmission electron microscopy (TEM) – showed the presence of virus spheroids and of spindles free in the cytoplasm of midgut epithelial cells and occluded together with virus particles into the spheroids of Ips typographus.\nScanning electron microscopy (SEM) – showed the whole structure of the spheroids and clarified some of the structures of the ...
Pausch, M. +2 more
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Untersuchungen an Ips typographus L. und seiner Umwelt
Zeitschrift für Angewandte Entomologie, 2009openaire +2 more sources