A general term for insects belonging to the family Cephidae of the order Hymenoptera. Because the second abdominal segment is slightly narrow, they may look like ichneumons at first glance, but they can be distinguished by their large pronotum and straight rear edge. There are many species that are around 15 mm in size. Insects of this family are widely distributed in the Holarctic region, and 10 species have been reported from Japan. Of these, the rose cephalopod wasp Syrista similis is a pest that lays eggs on new shoots of roses, and adults appear once a year from late April to mid-May. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
膜翅目クキバチ科Cephidaeに属する昆虫の総称。腹部第2節がやや細くなっているため,一見ヒメバチ類のように見えるが,前胸背板が大きく,その後縁が直線状である点で区別できる。15mm内外の種類が多い。この科の昆虫は全北区に多く分布し,日本からは10種報告されている。このうちバラクキバチSyrista similisは,バラの新梢に産卵する害虫で,年1回,4月下旬より5月中旬にかけて成虫が出現する。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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