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Full-Text Articles in Agriculture
Differential Consumption Of Four Aphid Species By Four Lady Beetle Species, Christy Finlayson, Andrei Alyokhin, Serena Gross, Erin Porter
Differential Consumption Of Four Aphid Species By Four Lady Beetle Species, Christy Finlayson, Andrei Alyokhin, Serena Gross, Erin Porter
Andrei Alyokhin
The acceptability of four different aphid species Macrosiphum albifrons (Essig), Macrosiphum euphorbiae (Thomas), Macrosiphum pseudorosae Patch, and Myzus persicae (Sulzer) (Hemiptera: Aphididae), as prey for four lady beetle species, one native species Coccinella trifasciata L, and three non-native Coccinella septempunctata L, Harmonia axyridis Pallas, Propylea quatuordecimpunctata L (Coleoptera: Coccinellidae) were tested in the laboratory. The relative field abundance of adults of the same lady beetle species on host vegetation, Lupinus polyphyllus Lindley (Fabales: Fabaceae), Solanum tuberosum L (Solanales: Solanaceae), and Rosa multiflora Thunberg (Rosales: Rosaceae), both with and without aphids present was also observed. In the laboratory, H. axyridis generally …
Interactions Of Native And Non-Native Lady Beetle Species (Coleoptera: Coccinellidae) With Aphid-Tending Ants In Laboratory Arenas, Christy Finlayson, Andrei Alyokhin, Erin Porter
Interactions Of Native And Non-Native Lady Beetle Species (Coleoptera: Coccinellidae) With Aphid-Tending Ants In Laboratory Arenas, Christy Finlayson, Andrei Alyokhin, Erin Porter
Andrei Alyokhin
Interactions between lady beetles and the European fire ant (Myrmica rubra L.) tending potato aphids [Macrosiphum euphorbiae (Thomas)] were compared in the laboratory. Lady beetle species native to North America (Coccinella trifasciata perplexa Mulsant, Coleomegilla maculata lengi Timberlake, Hippodamia convergens Guerin-Meneville) and non-native species of Palearctic origin [Coccinella septempunctata L., Harmonia axyridis (Pallas), Hippodamia variegata (Goeze), Propylea quatuordecimpunctata L.)] were evaluated. Harmonia axyridis consumed a significantly greater number of aphids compared with all other species but C. septempunctata. Ant stings affected H. variegata and C. septempunctata to a greater extent than other species. Ants showed a significantly greater amount of …