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 4 of 4 for “"Mason bees"”.
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Nesting aggregation as a Determinant of Brood Parasitism in Mason Bees (Osmia spp.)
… can significantly influence animal populations. Mason bees (members of the genus Osmia; Hymenoptera: Megachilidae) are important pollinators for agricultural systems and are vulnerable to exploitation by brood parasites, such as kleptoparasitic wasps. High levels of nesting density have the …
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Strawberries (Frag X Anan) Are Bigger When Native Mason Bees (Osmia lignaria) Are Experimentally Added to Small Farms
… more diligent investigation into using solitary bees for crop pollination. The native, solitary Orchard Mason Bee has shown to successfully pollinate almonds and apples, but there has been little work conducted on their effectiveness as a low fruit crop pollinator. This study assesses their …
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Foraging Behavior of Spring Bees and Their Agricultural Implications
… honey bee populations in the last decade. Native bees have been largely neglected in research, and their floral preferences may have agricultural implications because native bees ameliorate the demand to rely solely on non-native bees. In this work, pollinator visitation to flowers with …
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The diversity of flower-visiting insects in the gardens of English country houses
… ecosystems are important sites for hoverflies, bees and butterflies. In 2010 almost 10,000 flower-visitors from 174 species were recorded Hoverflies were the only group to show a significant difference in species richness across the sites.<br/><br/>An important characteristic of these rural …