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.
Results
Showing 1 to 4 of 4 for “"coccinella septempunctata"”.
-
Factors affecting the dispersal of the invasive ladybirds Coccinella septempunctata and Harmonia axyridis
… 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 observations of high altitude …
-
The Transfer and Fate of Cadmium and Zinc from Sewage Sludge Amended Agricultural Soil in an Arthropod Food Chain
… instar larvae of the seven-spottedladybird (Coccinella septempunctata)did not result in significant differences between treatmentsin newly emergedadults.This was partly the result of the sequestrationof the two metalsin the pupal exuviae. This mechanism had a greater effect on the Cd …
-
Contribution à l'étude de métabolites secondaires d'Harmonia axyridis (Pallas) en relation avec la coloration de l'insecte
… a été adaptée au dosage de cet alcaloïde dans Coccinella septempunctata L. en vue de l’étude de la prédation intraguilde via la recherche d’alcaloïdes exogènes séquestrés. Le script d’analyse d’image semble utilisable comme outil de classification et de caractérisation de la coloration élytrale.