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The influence of evaporated pheromone upon the trapping of the spruce bark beetle – Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae) – Short communication
pheromone trap pheromone dispenser increased efficacy forest protection
2017/4/6
This article examines the relative efficacy of releasing a larger pheromone plume volume and the relative efficacy of the number of pheromone dispensers within baited traps in trapping the spruce bark...
Effect of insecticide-treated trap logs and lure traps for Ips typographus (Coleoptera: Curculionidae) management on nontarget arthropods catching in Norway spruce stands
tripod trap logs pheromone trap
2015/5/5
The numbers of nontarget arthropods captured by Theysohn pheromone traps (TPTs) and insecticidetreated tripod trap logs (TRIPODs) were compared; both kinds of traps were baited with pheromone lures Ph...
Evaluation of the efficacy duration of different types of pheromone dispensers to lure Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae)
forest protection spruce bark beetle efficacy trapping
2015/5/5
We present the results of testing 10 pheromone dispensers used to lure the spruce bark beetle – Ips
typographus (Linnaeus, 1758). A comparison was made between both their efficacy and also the decre...
Attempt to define morphological parameters enabling sex determination of Ips typographus (Linaeus, 1758) (Coleoptera: Curculionidae: Scolytinae) using PCA and CLU
spruce bark beetle principal components analysis cluster analysis
2015/5/5
There are only two known methods for determining the sex of Ips typographus (L.) – dissection that cannot be used with live beetles and by distinguishing between the density of the hairs on the head, ...
Comparison of two types of ECOLURE lure on Ips typographus (L.) (Coleoptera: Scolytidae)
ECOLURE efficiency Ips typographus pheromone dispenser
2015/3/19
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...
The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)
Ips typographus irradiation sterile insect technique
2015/3/6
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...
The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels of water stress
Ips typographus spruce water stress
2015/3/6
Manipulated experiments with males of Ips typographus (L., 1758) were conducted in spruce stands in north-western Slovakia. Some of trees were stressed by a lack of water caused by preparation of roof...
Spruce windfalls and cambioxylophagous fauna in an area with the basic and outbreak state of Ips typographus (L.)
Norway spruce the Beskids windfalls cambioxylophages
2015/3/3
In spruce windfalls incurred in the autumn and winter season the synusia of cambioxylophagous fauna was
evaluated in the profile of a whole stem and crown branches according to the species spectrum,...
Population dynamics of eight-toothed spruce bark beetle (Ips typographus[L.]) in the area of National Nature Reserve Praděd in 1998–2001
Ips typographus population dynamics management of Ips typographus NNR Praděd regulated disintegration
2015/2/6
The paper deals with the study of bionomics and population dynamics of Ips typographus (L.) in the area of the Praděd National Nature Reserve (NNR). Data were collected on the basis of detected feedin...
Induced wound response of Norway spruce Picea abies P. Karst. after artificial inoculation by imagoes of Ips typographus
ophiostomoid fungi pathogens vascular tissues
2015/1/29
Inoculation experiments were carried out on a set of trees with imagoes of Ips typographus L. which origin from the Šumava Mts. and the Křtiny Training Enterprise. The objective of back inoc...
Insect pathogens with special reference to pathogens of bark beetles (col.,Scolytidae: Ips typographus L.).Preliminary results of isolation of entomopathogenic fungi from two spruce bark beetles in Slovenia
insect pathogens beetles pathogens entomopathogenic fungi Scolytidae Ips typographus
2009/11/26
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...
Effects of forest roads on foliage discoloration of oriental spruce by Ips typographus (L.)
Ips typographus Picea orientalis forest roads foliage discoloration forest fragmentation
2010/9/10
The aim of the study was to investigate the effects of forest roads on foliage discoloration levels of oriental spruce Picea orientalis (L.) Link by Ips typographus (L.), considering location, ground ...