Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Harmonia axyridis"”.
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Factors affecting the dispersal of the invasive ladybirds Coccinella septempunctata and Harmonia axyridis
… its importance in invasions in two ladybirds, Harmonia axyridis (Pallas) and Coccinella septempunctata (L.) (Coleoptera: Coccinellidae). The effects of abiotic and biotic factors on ladybird aerial densities (AD) were investigated using Vertical Looking Radar, a tool which allows for detailed …
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Kajian aspek biologi dan daya mangsa Harmonia axyridis pallas terhadap kutu daun Myzus persicae Sulz pada tanaman jeruk
… yang digunakan dalam penelitian ini adalah H. axyridis. Penelitian ini bertujuan untuk mengetahui aspek biologi, daya mangsa dan preferensi H. axyridis terhadap kutu daun M. persicae selama satu siklus hidup. Dimulai dari larva instar I sampai imago. Kemampuan H. axyridis dalam memangsa kutu …
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Contribution à l'étude de métabolites secondaires d'Harmonia axyridis (Pallas) en relation avec la coloration de l'insecte
… objectif l’étude de métabolites secondaires d’Harmonia axyridis (Pallas) (Coccinellidés) en relation avec la coloration de l’insecte. Dans ce but, deux méthodes analytiques originales de quantification de métabolites secondaires de cet insecte ont été mises au point en vue de doser l’harmonine, …
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Progressi nel controllo sostenibile degli afidi
… di allevamento per il predatore coccinellide Harmonia axyridis, quindi sono stati valutati gli effetti di tre insetticidi sintetici a dosi subletali sulla sua risposta funzionale. Considerato che questo predatore è anche considerato una specie invasiva, è stata valutata la relazione tra il …
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Transgenic Insecticidal Corn and Coleomegilla Maculata
… and feeding behaviors of C. maculata and Harmonia axyridis under field conditions. We found that corn pollen from different hybrids is nutritionally variable, and certain critical nutrients for C. maculata development were at sub-optimal levels in some of the pollens. Also, the feeding …
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Arthropod Predation in Brassica Agroecosystems: Effects of Latitude, Community Composition, and Diet Breadth
… maculata, Hippodamia convergens, and Harmonia axyridis) collected from a Brassica agroecosystem in Minnesota. I found that both herbivore and intraguild prey consumption were common among coccinellid species, but that C. maculata was least likely to engage in intraguild predation of …
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Competitive interactions among two specialist predators and a generalist predator of hemlock woolly adelgid, <i>Adelges tsugae </i>Annand (Hemiptera: Adelgidae)
… Coccinellidae), and a generalist predator, <i>Harmonia axyridis</i> Pallas (Coleoptera: Coccinellidae), of hemlock woolly adelgid were evaluated using laboratory, field and video studies. The two specialist predators are part of a biological control program for <i>A. tsugae</i>, and the …
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The Origins of Terpene Infochemicals in Insects: Identification and Evolutionary Analysis of Terpene Synthases in Diverse Lineages
… including the globally invasive pest, Harmonia axyridis. Comparative genome analyses and IDS/TPS gene functional characterizations revealed gene duplication patterns and enzyme transitions that suggest TPS function evolved in part through processes of subfunctionalization and …