Research Article
Several New Aspects of the Foraging Behavior of Osmia cornifrons in an Apple Orchard
Table 3
Fruit set of “Alps-Otome” fruit formed by “Maypole” pollen carried by Osmia cornifrons male.
| Distance from “Maypole” | Year | No. of flowers | No. of fruits | Rate of fruit set (mean S.E.%) |
| 1 | 2008 | 100 | 18 | 18.0 | 1 | 2009 | 365 | 129 | 35.3 | | 2008-2009 | | | 26.7 8.7 | 2 | 2008 | 100 | 19 | 19.0 | 2 | 2008 | 575 | 128 | 22.3 | | 2008-2009 | | | 20.7 1.7 | 3 | 2008 | 100 | 26 | 26.0 | 3 | 2009 | 480 | 140 | 29.2 | | 2008-2009 | | | 27.6 1.6 | | 2008 | 100 | 1 | 1.0 | | 2009 | 121 | 1 | 0.83 | | 2008-2009 | | | 0.9 0.1 |
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*Control, no male.
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