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Contribution to knowledge of Hylesinus fraxini (Panzer, 1779) (Coleoptera: Scolytidae) natural enemies from Northern Moravia (Czech Republic)
Nakládal O. Turč áni M.
2015/3/6
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...
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...