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Citation:

The Occurrence and Damage of Larch Cone Flies(Genus Strobilomyia)in Pangquangou Natural Reserve,Shanxi Province

  • Received Date: 1992-12-15
  • According to the investigation from 1987~1990 in Pangquangou Natural Reserve,Shanxi Province,the cones of Larix principis-rupprechtii Mayr were seriously damagedby the cone flies belonging to Genus Strobilomyia.The cone and seed damaged rate reached 92.3% and 70.1% respectively.The thousand-seed-weight was 3.8 g and germination rate 9.9%.There were 3 species of cone flies:Strobilomyia infrequens(Ackland),S.melanioia(Fan) and S.laricicola(Karl),which formed a special pest group.According to the larvaland adult anatomical characteristics,their specific names were identified.According to theiramounts calculated,S.laricicola and S.melaniola were the main pest species.
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The Occurrence and Damage of Larch Cone Flies(Genus Strobilomyia)in Pangquangou Natural Reserve,Shanxi Province

  • 1. Tbe Research Institute of Forest Protection, CAF Beijing 100091

Abstract: According to the investigation from 1987~1990 in Pangquangou Natural Reserve,Shanxi Province,the cones of Larix principis-rupprechtii Mayr were seriously damagedby the cone flies belonging to Genus Strobilomyia.The cone and seed damaged rate reached 92.3% and 70.1% respectively.The thousand-seed-weight was 3.8 g and germination rate 9.9%.There were 3 species of cone flies:Strobilomyia infrequens(Ackland),S.melanioia(Fan) and S.laricicola(Karl),which formed a special pest group.According to the larvaland adult anatomical characteristics,their specific names were identified.According to theiramounts calculated,S.laricicola and S.melaniola were the main pest species.

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