The multicolored Asian ladybeetle, Harmonia axyridis Pallas (Coleoptera: Coccinellidae), was introduced into Western Europe in the late 1990s. Since the late 2000s, this species has been commonly considered one of the most abundant aphid predators in most Western European countries. In spite of the large amount of research on H. axyridis, information concerning its relative abundance in agroeco...

Bu çalışma, Erzurum (Atatürk Üniversitesi Kampüsü)’da 2016 ve 2017 yıllarının mayıs-eylül ayları arasında Karaağaç (Ulmus glabra Hudson) bitkisinde yoğun olarak zararına rastlanan Tinocallis (sappocallis) saltans (Nevsky, 1929) (Hemiptera: Aphididae)’ın popülasyon değişimi predatörlerini tespit etmek amacıyla yürütülmüştür. Türkiye’de bu karaağaç türü üzerinde T. ilk kez çalışma ile belirlenmiş...

different species of aphids in rapeseed fields of khuzestan province were identified and the dominant ones were determined during 2002-2004 field sampling. base upon the collected data, population fluctuations of rapeseed aphids vs. their natural enemies were assessed. also biology of the aphids, major species was studied under controlled conditions. the results showed that lipaphis erysimi (ka...

in this research, population fluctuation of canola aphids and their natural enemies were investigated during 2007-2008. random samples of 50 plants were taken twice a week. mustard aphid (lipaphis erysimi kalt.), green peach aphid(myzus persicae sulzer)and cabbage aphid (brevicoryne brassicae l.) were recorded on canola. however,the mustard aphid with relative frequency of 79% was dominant. the...