松沫蝉在辽宁阜新地区的发育动态

The development dynamic of Aphrophora flavipes(Homoptera:Cercopidae) in Fuxin of Liaoning

松沫蝉Aphrophora flavipes是同翅目沫蝉科的一种刺吸式害虫,能够危害多种松树。通过众数龄期法将松沫蝉若虫划分为5个龄期,在此基础上通过调查松沫蝉若虫、成虫和卵在林间的出现时间、变化动态、产卵规律等,掌握其在阜新地区的发育动态。结果显示,松沫蝉若虫在林间5月15日开始出现,7月31日结束,持续77 d,发育历期共44 d;1~5龄若虫发育历期分别为7 d、6 d、7 d、10 d、13.5 d;成虫在林间持续126 d,雌雄比1.06,不同日期雌雄比无显著差异;卵产于当年生松针鞘内,1~3粒不等,每鞘内卵量1粒、2粒、3粒占比分别为41.6%、36.8%、21.6%。松沫蝉在林间的发育动态可以为科研和防治提供依据。

Aphrophora flavipes was a sucking mouthparts pest,which can do harm to various pine species. Five instars of nymph were divided based on the method of median population stadia. Then the development dynamic of A. flavipes in Fuxin of Liaoning was detected by surveying the appearing time,variation trends,egg-laying pattern, etc, in forest. The results showed that the nymph of A. flavipes existed fromMay 15th until July 31th,lasting 77 days,and the development duration was 44 d. The development duration of nymph from the first instar to the fifth instar was 7 d,6 d,7.5 d,10 d,13.5 d,respectively. The adults were lasting 126 d in forest and the female-male ratio was 1.06,which had no significant differences among different dates. The eggs were laid in the sheaths of pine needles, ranging from 1 to 3,and the ratio of 1 egg,2 eggs,3 eggs were 41.6%、36.8%、21.6% respectively. The development dynamic research ofA. flavipes in forest could provide a basis for further research and controlling of this pest.