角蠟介殼蟲之發生消長及其防治
Other Title
Seasonal Abundance of the Ceriferus Wax Scale (Ceroplastes pseudoceriferus) in Southern Taiwan and Its Control
Journal
中華農業研究
Journal Volume
35
Journal Issue
2
Pages
216-221
Date Issued
1986-06-10
Date
1986-06-10
Author(s)
溫宏治
李錫山
Hung-Chich Wen
His-Shan Lee
Abstract
角蠟介殼蟲（Ceroplastes pseudoceriferus Green）於本省南部一年發生3 代，其發生棲群密度以夏世代（第2 世代）（6~9 月）最高，秋冬世代（第3 世代）（9 月至翌年3 月）次之，春世代（第1 世代）（2~7 月）最低。春世代一母蟲平均產卵量為1287.7 粒，秋冬世代為1103.5 粒，夏世代為1445.2 粒。初齡若蟲發生時間，分別為3 月下旬至4 月下旬，6 月下旬至7 月下旬及9 月下旬至11 月上旬。天敵以檀島蚧小蜂（Coccophagus hawiaiensis Timberlake）最多，有角蠟蚧蟲發生之果園均有分佈，寄生率4.43~33.95 %，平均17.41%。以Gusathion 25%EC , Dimethoate 44%EC及Folimate 50 % EC等藥劑做防治試驗結果，對初齡若蟲之防治率均達98%以上，而對角蠟介殼蟲（3齡若蟲～成蟲）之防治率均不及50%。故用藥劑防治本蟲之時機，以初齡若蟲期最為適宜。
The ceriferus wax scale, Ceroplastes pseudoceriferus Green, is one of the most important pests of lichi and mango in southern Taiwan. Their nymphs and adults sucked sap from twig and leaf and exuded whitish sticky honeydews on the surface of them, where sooty moulds developed in wet weather.
There were 3 generations occurred in southern Taiwan annually. The population of the summer generation (Jun. to Sep.) was most abundant, followed by the autumn- winter generation (Sep. to Mar.) and less of spring generation (Feb. to Jul.).
Publisher
農業試驗所
Type
journal article
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