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Diprionids of the genus Gilpinia living on spruce in the Czech Republic
 Penzešová, Markéta ; Lukášová, Karolína (advisor) ; Holuša, Jaroslav (referee)
This bachelor thesis deals with the occurrence of diprionids Gilpinia species associated with the spruce throughout the Czech Republic. In 2015 there was research carried out to map the abundance and frequency of the diprionids. There were Malaise traps - model Townes (1972) installed on 12 locations in spruce forests in early May. There were samples picked up in irregular intervals of 14 days until mid-July. Once all the samples had been collected in the laboratory of CULS in Prague the diprionids were sorted from all the other insects and their type and gender was determined. In total there were 4 specimens caught from Gilpinia polytoma out of which 2 were males and 2 were females. No other diprionids Gilpinia species were found. The results were analysed statistically and the catches were compared with the catches between years 1997-2003 on some identical locations. Further this bachelor thesis deals with leaf-eating insects, bionomic of species found in the Czech Republic. From the results of our study and other studies made in other countries we do not expect the gradation or significant forest damage by these pests in forthcoming years in the Czech Republic. Conversely bionomics of some diprionids on spruce seems to be quite unstudied and finding them can be thought of as rare.
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