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The occurrence of insect pests on pedunculate oak tested on the Chrostowa II experimental plot
Quercus robur insects Carpathian natural-forest province resistance heritability variability
2015/3/27
The present paper is about the provenance and family diversity of insect occurrence on the offspring of 58 pedunculate oak (Quercus robur L.) trees representing 5 populations from the Polish range of ...
Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) – Part 1. Last year’s (parent) beetles
host species hibernation feeding
2015/3/6
In Moravia in 1995 to 2006, the abundant occurrence of Galerucella lineola (F.) was used to study its occurrence, biology and harmfulness. An “alder” biological form was studied in Alnus glutinosa and...
Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) – Part 2. Larvae and this year’s beetles
generation conditions natural enemies harmfulness
2015/3/6
The second part of the paper deals with the development and harmfulness of larvae and maturation feeding of this year’s beetles of Galerucella lineola (F.) before leaving for winter habitats. Embryoge...
Occurrence, development and harmfulness of the bark anobiid Ernobius mollis(L.) (Coleoptera: Anobiidae)
Anobiidae Ernobius mollis Pinus nigra occurrence development harmfulness
2015/2/6
The paper summarizes results of the study of the occurrence, development and harmfulness of Ernobius mollis (Linnaeus, 1758), which occurred plentifully on Pinus nigra Arn. impaired by drought in the ...
Occurrence, development and natural enemies of cecidogenous generations of Pemphigus gairi Stroyan (Sternorrhyncha, Pemphigidae)
Pemphigus gairi Populus spp. occurrence development galls enemies Anthocoris minki importance
2015/2/2
The paper deals with the occurrence, development and natural enemies of the cecidogenous aphid Pemphigus gairi Stroyan (Pemphigidae). The aphid abundantly occurred on leaves of Populus nigra and P. ni...
Dieback of Austrian pine – the epidemic occurrence of Sphaeropsis sapinea in southern Moravia
Sphaeropsis sapinea dieback Pinus nigra
2015/1/29
In the course of recent years, various cases of Austrian pine dieback of all age classes have occurred in a number of localities. At all localities, Sphaeropsis shoot – killing of pine caused by Sphae...