・16 ・ Forest Pest and Disease Jul. 2021 No. 4 冬型梨木虱对粘虫板颜色和寄主植物的选择效应 胡瑞瑞1,白鹏华1,刘宝生1,李建成2 (,天津300384; ,河北省农业有害生物综合 防治工程技术研究中心,农业农村部华北北部作物有害生物综合治理重点实验室,河北保定071000) 摘要:为明确天津地区梨园中冬型梨木虱Psylla chinensis对粘虫板颜色和寄主植物的选择效应,在 梨园中观察了 6种颜色粘虫板诱杀冬型梨木虱数量和该害虫在7个(品种)梨树的老叶、鳞痕和嫩 叶上的产卵量和若虫量。结果表明:6种颜色粘虫板对梨木虱诱杀效应的强弱顺序依次为绿色,黄 色,蓝色,黑色,红色,白色;梨木虱更偏好于在“雪花梨”的鳞痕和嫩叶上产卵,其次是“黄冠梨”,二 者亦是梨木虱若虫最喜欢取食的梨树品种;梨木虱成虫偏向于在鳞痕处产卵,若虫更偏向于取食嫩 叶。冬型梨木虱对不同颜色粘虫板的趋向不同,其不同虫态(若虫和成虫)对梨树品种和位置的选 择效应亦存在差异O 关键词:冬型梨木虱;粘虫板;寄主植物;选择效应 中图分类号:S763. 36 文献标志码:A 文章编号:1671 -0886(2021)04 -0016 -05 DOI: 10. 19688 /j. cnki. issn 1671 -0886. 20210013 Selection effect of winter-type Psylla chinensis on colour of sticky trap and host plants/HU Ruirui, et al. (Institute of Plant Protection,Tianjin Academy of Agricultural Sciences ,Tianjin 300384,China) Abstract: In order to determine the selection effect of winter-type Psylla chinensis on sticky trap colours and different host plants in pear gardens in Tianjin area, the collection quantity of winter-type P. chinensis on six colours of sticky trap and the amount of eggs and nymphs on old leaves , scales and young leaves of seven varieties of pear trees were