Morphological variation of Aphidius ervi Haliday ( Hymenoptera : Braconidae ) 1 associated to different aphid hosts
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چکیده
Morphological variation of Aphidius ervi Haliday (Hymenoptera: Braconidae) 1 associated to different aphid hosts 2 3 Cinthya M. Villegas , Vladimir Žikić, Saša S. Stanković, Sebastián A. Ortiz-Martínez, Ainara 4 Peñalver-Cruzand Blas Lavandero * 5 6 1: Laboratorio de Interacciones Insecto-Planta, Instituto de Ciencias Biológicas, Universidad de 7 Talca, Talca, Chile. 8 2: Department of Biology and Ecology, Faculty of Science and Mathematics, University of Niš, 9 Niš, Serbia. 10 11 *Corresponding authors: 12 Blas Lavandero 13 Email address: [email protected] 14 Ainara Peñalver-Cruz 15 Email address: [email protected] 16 17 Formatted: Font: 14 pt, Italic
منابع مشابه
Morphological variation of Aphidius ervi Haliday (Hymenoptera: Braconidae) associated with different aphid hosts
BACKGROUND Parasitoids are frequently used in biological control due to the fact that they are considered host specific and highly efficient at attacking their hosts. As they spend a significant part of their life cycle within their hosts, feeding habits and life history of their host can promote specialization via host-race formation (sequential radiation). The specialized host races from diff...
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The molecular mechanisms that allow generalist parasitoids to exploit many, often very distinct hosts are practically unknown. The wasp Aphidius ervi, a generalist koinobiont parasitoid of aphids, was introduced from Europe into Chile in the late 1970s to control agriculturally important aphid species. A recent study showed significant differences in host preference and host acceptance (infecti...
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The functional response of Aphidius ervi to different Sitobion avenae densities on two wheat cultivars (Sardary and Alvand) was examined in laboratory conditions. Experiments were carried out in test tubes on an F2 lab generation without wheat clusters and also on F2 and F5 generations in pots using wheat clusters. In the tubes, female wasps were exposed to aphid densities of 2, 4, 7, 14, 28, 3...
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