| 摘要: |
| 拟蔷薇切叶蜂 Megachile subtranquilla Yasumatsu 在北京地区一年发生一代,以茧内老熟幼虫在旱井、菜窖等的砖缝及土洞内越冬。翌年6月底至8月中旬成虫羽化。切叶蜂是独居蜂,但又具群集习性。本文叙述了该虫的形态特征、生活史、为害情况、天敌以及防治方法等。 |
| 关键词: 花卉害虫 拟蔷薇切叶蜂 独居蜂 |
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| Abstract: |
| The Ieafcutting bees,Megachile Subtranquilla Yasumatsu(Hymenoptera, Apoidea,Megachilidae)are found to be harmful species although the adults are known as a pollinator for alfalfa.The female bees seriously damage plants by cutting leaves of ornamentals,mainly roses and Chinese roses in Beijing.The round or oval shaped leaf-disks cut out from the plants by the females are used to build nests for rearing young.The damaged plants are retarded in growth,thus resulting in economic losses. The leafcutting bees hav... |
| Key words: ornamental pest Megachile subtranquilla solitary bees |
