A new pest in rice growing fields in Southeastern Anatolia: Tipula orientalis Laskschewitz (Diptera: Tipulidae)

Mehmet Duman, Çetin Mutlu, Musa Büyük
986 786

Abstract


This study was carried out in rice growing fields of Karacadağ rice variety, which has specific smell and aroma in Southeast Anatolia Region and preferred by residents of that area, within borders of Şanlıurfa province (Siverek Üzümlük) and Diyarbakır province (Ergani Demirli, Çınar Kuyuluhöyük, Hazro Düzevler) during the years 2010 and 2011. The study was conducted in order to determine distribution and population change of Tipula orientalis Laskschewitz (Diptera: Tipulidae) have been conducted in Ergani and Demirli village. Sampling of T. orientalis have been performed by using hand-picking, D-vac and sweeping net.
The results indicated that the first adults of the pest have been seen at the end of May and they have been seen during period of May to October in both years. However, the pest reached its highest level at June-July and created two peak points. The adults of T. orientalis continued until mid of the October which was harvesting time for rice. The highest adults (55 adults) were caught by way of D-vac on 29 June 2010 in Siverek-Üzümlük, while 37 adults/ sweeping net were recorded in Ergani- Demirli on 9 July 2011.
According to the results of this study it was determined that the larvae of T. orientalis were active and cause damage from the end of May, which was planting time for rice, during months of June and July, however, the adults of this fly were active until harvesting time. In addition, the infestation ratio, males, females and larvae of the pest have been determined in the research area.

Keywords


Karacadağ rice, population development, Tipula orientalis

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DOI: http://dx.doi.org/10.16969/teb.38042