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Distribution Status of Korean Mason Bees, Osmia spp. (Hymenotpera: Megachilidae) in Apple Growing Areas
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/302264
We investigated the distribution, sex ratio, and natural enemies and nesting competition insects of mason bees, Osmia spp. in 32 apple orchards during 2006 to 2008. The rate of bee nested was 14.0±1.7%. The rate of fauna nested were Osmia spp., 66.0%, natural enemies, 21.7% and nesting competition insects, 11.6%. We collected five species of Osmia spp. consisting of Osmia cornifrons, O. pedicornis, O. taurus, O. satoi and O. jacoti. In case of collected five Osmia spp, O. cornifrons was 69.6%, which was the dominant species and O. pedicornis was 13.0% and O. taurus was 11.2%, respectively. The collecting rate of Osmia spp. was significant difference among each year and 10 locations. The sex ratio of Osmia spp. were 1:1.9 in O. cornifrons, 1:5.1 in O. pedicornis and 1:2.2 in O. taurus. The sex ratio of O. cornifrons was significant difference among each year and 10 locations. Seven species of natural enemies that attack Osmia spp. were collected in apple orchard. Trogoderma and Chaetodactylus showed the highest rates with 48% and 38% among 7 natural enemies. Also, we collected nine species of nesting competition insects. Anterhynchium flavomaginatum showed the highest rates with 38.6% among 9 nesting competition insects.
