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Distribution and relative abundance of the economically important click beetles (Elateridae: Agriotes sp.) in Hungary
Published November 10, 2010
53-60

Click beetle (Elateridae: Agriotes sp.) species of 24 sites in different regions of Hungary were studied in 2010. A. brevis, A. sputator, A. obscurus, A. lineatus, A. rufipalpis and A. ustulatus were sampled by pheromone traps in maize fields. During the study more than 80000 beetles were caught. The three most common species were A. ustul...atus, A. sputator and A. rufipalpis. The distribution of the studied species was uneven. In south Hungary A. ustulatus, A, rufipalpis and A. sputator were the three most abundant species. In the Transdanubia A. sputator was the most abundant. A. ustulatus reached higher abundance in only three sites (3/12). A. obscurus occurred only in west Hungary (Transdanubia). In eastern Hungary the abundance of studied species was higher. In this reason we have to monitor the populations of these pests and if it is necessary we have to take actions against them. In Transdanubia the abundance were generally lower but in many cases reached the threshold of significant damage. Beyond that 13 additional species were sampled so the total number of sampled species was 19.

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Study on distribution and relative abundance of click beetle pests (Elateridae: Agriotes sp.) in Hungarian maize fields
Published October 30, 2011
107-113

Click beetle pests (Elateridae: Agriotes sp.) of 24 sites in different regions of Hungary were studied in 2011. A. brevis, A. sputator, A.
obscurus, A. lineatus, A. rufipalpis and A. ustulatus were sampled by pheromone traps in maize fields. During the study 65895 beetles were
caught. A. ustulatus and A. sputator were the most abundant sp...ecies. Beyond that 23 additional species were trapped so the total number of sampled species was 29. The distribution of the six studied species was uneven. In east Hungary A. ustulatus were the most abundant, while
in the Transdanubia A. sputator was dominant in the most studied sites. A. obscurus occurred mostly in Transdanubia (western Hungary), and it occurred only in one site of eastern Hungary. 
The abundance of one or simultaneously two species reached the threshold of significant damage in 14 sites. Additionally there were three sites where the total abundance of the two most dominant species reached the threshold. There were only six sites where we should not expect significant damage. In this reason we have to monitor the populations of these pests and if it is necessary we have to take actions against them.

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Comparison of different pheromone traps for monitoring of click beetle Agriotes ustulatus (Coleoptera Elateridae)
Published May 16, 2017
155-159

The effectiveness of two trap types (YATLORf and VARb3 with CSALOMON® sex pheromone bait) for monitoring click beetle Agriotes ustu latus was compared near Karcag (East Hungary) in 2016. Additionally effectiveness of YATLORf traps placed on ground and placed on a 25 cm high mound was also compared. Contrary to our expectations traps caught ver...y few individuals thus our study could provide only preliminary results. Between traps and methods there were not significant differences but YATLORf traps placed on mounds caught more individuals than others. The swarming imagos of A. ustulatus were also detected two weeks earlier in 2016 than as usual. To prove the effect of the way of usage on the effectiveness of YATLORf traps new studies should be made.

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