Cereal aphids (Hemiptera: Aphidoidea) in Serbia: Seasonal dynamics and natural enemies
2008
Tomanovic, Z.,University of Belgrade (Serbia). Inst. of Zoology | Kavallieratos, N.G.,Benaki Phytopathological Inst., Kifissia (Greece). Lab. of Agricultural Entomology | Stary, P.,Akademie Ved, Ceske Budejovice (Czech Republic). Entomologicky Ustav | Petrovic-Obradovic, O.,University of Belgrade (Serbia). Dept. of Plant Protection | Athanassiou, C.G.,Agricultural Univ. of Athens (Greece). Lab. of Agricultural Zoology and Entomology | Stanisavljevic, L.Z.,University of Belgrade (Serbia). Inst. of Zoology
During 1989-2006, the number of live aphid, mummies, aphid specialist predators and their parasitoids in cereal fields in Serbia were recorded. Sitobion avenae and Metopolophium dirhodum were the most common, both on wheat and rye crops. Maximum numbers of cereal aphids were detected between the end of May and the middle of June. A low percentage of mummified aphids was recorded during May and June, but increased rapidly at the beginning of July when aphids left the wheat crop. We recorded over 60 species of natural enemies, including primary and secondary parasitoids, aphid specific predators and a wide spectrum of their parasitoids. Aphidius uzbekistanicus, Aphidius rhopalosiphi, Aphidius ervi and Praon gallicum were the most abundant species of primary parasitoids. Of the secondary parasitoids, six species were dominant with Asaphes suspensus and Dendrocerus carpenteri generally the most often recorded. Coccinella septempunctata was the most abundant coccinellid and syrphid flies were represented by 11 species, two of which, Sphaerophoria scripta and Episyrphus balteatus, were the most common.
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