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Effect of Flight Activity of Stem Weevils (Ceutorhynchus napi, C. pallidactylus) and Application Time on Insecticide Efficacy and Yield of Winter Oilseed Rape
cabbage stem weevil oilseed rape stem weevi
2015/3/11
During 2010–2012, we monitored flight activity of male and female stem weevils (Ceutorhynchus napi, C. pallidactylus) using yellow water traps, the effectiveness of various application dates for the i...
Correlation between flight activity of sawflies Pristiphora abietina, P. saxesenii, P. gerula and P. leucopodia (Hymenoptera: Tenthredinidae) and spruce (Picea abies) bud breaking in Eastern Czech Republic
flight activity spruce bud breaking correlation
2015/3/6
The flight activity of spruce tenthredinids were studied using Malaise traps and yellow sticky boards in young spruce forests in the Nízky Jeseník Hills during years 2005 and 2006. In most cases, stud...
Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history
flight activity body size Czech Republic
2015/3/6
In the Czech Republic, A. nebulosus occurs in coniferous, deciduous as well as in mixed forests, in lowland forests and even on forest-steppe habitats. Larvae occur mainly on Picea sp., Pinus sp. and ...
The importance of monitoring the Ceutorhynchus pallidactylus female flight activity for the timing of insecticidal treatment
Ceutorhynchus pallidactylus cabbage stem weevil winter oil-seed rape alpha-cypermethrin etofenprox chlorpyrifos + cypermethrin insecticidal effect
2015/3/3
The effects of two pyrethroids and one combination of organophosphate and pyrethroid (alpha-cypermethrin, etofenprox, chlorpyrifos + cypermethrin) on Ceutorhynchus pallidactylus (Marsham, 1802) (Coleo...
Differences in flight activity of pests on winter and spring oilseed rape
winter oilseed rape spring oilseed rape pests yellow trap flight activity variability
2015/1/28
For 6 years the flight activity of pests on winter and spring oilseed rape was studied from spring till harvest, using yellow traps. In all years the flight intensity was higher in winter rape than in...