Study on Larva l Bio-ecology and ControlMethod of Cepha lc ia pin ivora( Hymenoptera: Pamphiliidae)

LUO Zheng-jun; ZHANG Li; YANG De-min; CHEN Song; YOU Lin; SHEN Fei-fei; DU Ge

Cephalcia pin ivora was an important leaf pest of Pinus m asson iana in Chongqing. It had one generation ayear and overwintered as p repupa in the soil and began to pupate in the last ten days of February the next year. InmidMarch , the adults emerged and the larva hatched in the last ten days ofAp ril. In the first ten-day of June theycame down trees and went into soil. Larva durition was about 90 days, and there were 6 instars for male and 7instars for female. Studies showed that app lication of liquid, smoke, power pesticide could effectively control thissawfly. During the larval period, the best control time was around the 2nd and 3rd instars.

1. Chongqing Station of Forest Diseases and Pest Control and Quarantine, Chongqing　400015, China

2. Station of Forest Diseases and Pest Control and Quarantine, Fulin District of Chongaing City, Fulin　400015, Chongqing , China

3. Station of Forest Diseases and Pest Control and Quarantine, Yongchuan District of Chongaing City, Yongchuan　402160, Chongqing, China

4. Xixia Station of Forest Disease and Pest Control , Hepnan Province, Xixia　474500, Hepnan, China

Received Date: 2007-08-07

Abstract: Cephalcia pin ivora was an important leaf pest of Pinus m asson iana in Chongqing. It had one generation ayear and overwintered as p repupa in the soil and began to pupate in the last ten days of February the next year. InmidMarch , the adults emerged and the larva hatched in the last ten days ofAp ril. In the first ten-day of June theycame down trees and went into soil. Larva durition was about 90 days, and there were 6 instars for male and 7instars for female. Studies showed that app lication of liquid, smoke, power pesticide could effectively control thissawfly. During the larval period, the best control time was around the 2nd and 3rd instars.

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Reference (18)

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Study on Larva l Bio-ecology and ControlMethod of Cepha lc ia pin ivora( Hymenoptera: Pamphiliidae)

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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