Koray DALCI, A. Arda IŞIKBER, Tülin ÖZSİSLİ

The effect of commonly used insecticides, cypermethrin and diazinon active ingredients on different types of behavioural activities of Coccinella septempunctata Linnaeus, 1758 (Coleoptera: Coccinellidae) and Aphidius uzbekistanicus Luzhetzki, 1960 (Hymenoptera: Aphidiidae)

Bu çalışmada cypermethrin ve diazinon aktif maddelerinin kalıntı miktarlarının Coccinella septempunctata Linnaeus, 1758 (Coleoptera: Coccinellidae) and Aphidius uzbekistanicus Luzhetzki, 1960 (Hymenoptera: Aphidiidae) dişi bireylerinin davranışları üzerinde etkileri video/bilgisayar kayıt ve analiz sistemi kullanılarak araştırılmıştır. Coccinella septempunctata için her iki aktif maddenin 500-1000 μ $ell / ell$ dozları, ve Aphidius uzbekistanicus için ise cypermethrinin 1000-2000 μ $ell / ell$ ve diazinonun 250-500 μ $ell / ell$ dozları kullanılmıştır. Elde edilen sonuçlar diazinon uygulamasında avcıların gezinme süresinin cypermethrin uygulamasına göre daha uzun olduğunu göstermiştir. Cypermethrin uygulaması çoğunlukla yüksek açılarla dönen avcıların hızı üzerinde etkili olmamıştır. Diazinon uygulamasında avcı böcekler yüksek hız ile hareket etmiş ve düşük dönüş açıları ile aynı yöndehareket ederek yön değiştirmişlerdir. Cypermethrin uygulanmış alanlarda, C. septempunctata’nın hareket izleri sık sık kendi çevrelerinde hareket ettiklerini göstermiştir. Yüksek dozda diazinon uygulanmış alanlardaki avcı böcekler yoğun bir hareket izine sahip olmuşlardır. Uygulanan cypermethrin ve diazinonun her iki dozlarında da A. uzbekistanicus gezinmeye daha fazla ve duraklamaya daha az zaman harcamıştır. Yüksek dozlarda parazitoitin net hızı azalmıştır. Diazinon uygulamalarında parazitoit çoğunlukla yüksek açılarla dönerken, cypermethrinin yüksek dozlarında daha düşük açılarla daha az yön değiştirmiştir. Diazinon uygulanmış alanlarda, parazitoit cypermethrin uygulanmış alanlara göre daha geniş, kontrole göre ise daha dar bir hareket izi göstermiştir.

Yaygın olarak kullanılan insektisitler, cypermethrin ve diazinon aktif maddelerinin Coccinella septempunctata Linnaeus, 1758 (Coleoptera: Coccinellidae) ve Aphidius uzbekistanicus Luzhetzki, 1960 (Hymenoptera: Aphidiidae)’un farklı tipteki davranış aktiviteleri üzerine etkileri

In this study, the effects of residual deposits of active ingredients of cypermethrin and diazinon on behavioural activities of Coccinella septempunctata Linnaeus, 1758 (Coleoptera: Coccinellidae) and Aphidius uzbekistanicus Luzhetzki, 1960 (Hymenoptera: Aphidiidae) females were investigated using a video/computer recording and measurement system. In this study, 500-1000 μ $ell / ell$ dosages of cypermethrin and diazinon for C. septempunctata and 1000-2000 μ $ell / ell$ dosages of cypermethrin and 250-500 μ $ell / ell$ dosages of diazinon for A. uzbekistanicus were tested at laboratory conditions in 2001-2002. The results obtained from behavioural activities, indicated that walking time of the predators was much higher in diazinon treatment than that in cypermethrin treatment, Cypermethrin treatment had no effect on the speed of predators, while they often turned with high angles. In diazinon treatment, predator insects moved with high speed and changed their direction by moving in same direction with low turning angles. In cypermethrin applied areas, movement traces of C. septempunctata indicated that they often turned their own surrondings. The predator insects in high diazinon dosage applied areas had a dense movement trace. At both application dosages of cypermethrin and diazinon A. uzbekistanicus spent more time in walking and less time in resting. At high dosages, net speed of the parasitoid decreased. At high dosage of cypermethrin, parasitoid slightly changed direction with low angles, while they often turned with high angles in diazinon treatments. In diazinon applied areas, parasitoid had dense movement trace in a slightly wider area than that in cypermethrin applied areas and narrower area than that in control.

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