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当前位置: 首页 > 文章 > 石蒜绵粉蚧生物学特性 昆虫学报 2018 (7) 871-876
Position: Home > Articles > Biological characteristics of the solanum mealybug,Phenacoccus solani( Hemiptera: Pseudococcidae) Acta Entomologica Sinica 2018 (7) 871-876

石蒜绵粉蚧生物学特性

作  者：
智伏英;黄芳;黄俊;郦卫弟;吕要斌
单  位：
湖州出入境检验检疫局;浙江师范大学化学与生命科学学院;浙江省农业科学院植物保护与微生物研究所
关键词：
石蒜绵粉蚧;生活史;发育历期;繁殖能力;形态特征
摘  要：
【目的】石蒜绵粉蚧Phenacoccus solani是近年来我国大陆新记录的一种有害昆虫,对我国的农业生产和生态环境具有潜在的巨大威胁,而本研究旨在明确该虫的主要生物学特性。【方法】在实验室条件下(27±1℃,RH 70%±5%,12L∶12D)以马铃薯Solanum tuberosum作为寄主,研究了石蒜绵粉蚧的生殖方式、发育历期、繁殖能力及各虫态的形态特征。【结果】石蒜绵粉蚧只能营产雌孤雌生殖,生活史包括卵、1-3龄若虫和雌成虫;卵单个散产且在母体外孵化,孵化时间约24min,雌成虫还能产下一部分不能孵化的卵;若虫期14~22 d,总历期33~64 d;雌成虫繁殖能力强,单头产卵量135~337粒,平均产卵244粒。各龄期主要形态特征为:卵呈长椭圆形,黄色且透明,具一对红棕色的复眼;1龄若虫呈黄色,行动活泼;2龄若虫体缘出现齿状突起;3龄若虫呈深黄色,体缘突起明显,尾瓣突出;雌成虫体表的白色蜡粉较厚实,体缘蜡突明显,体色变深,足呈深红色。【结论】从生殖方式、发育历期及繁殖能力等方面明确了石蒜绵粉蚧的主要生物学特性,结果预示该虫是一种重要潜在的危险性害虫。
译  名：
Biological characteristics of the solanum mealybug,Phenacoccus solani( Hemiptera: Pseudococcidae)
作  者：
ZHI Fu-Ying;HUANG Fang;HUANG Jun;LI Wei-Di;LU Yao-Bin;College of Chemistry and Life Sciences,Zhejiang Normal University;Institute of Plant Protection and Microbiology,Zhejiang Academy of Agricultural Sciences;Huzhou Entry-Exit Inspection and Quarantine Bureau;
关键词：
Phenacoccus solani;;life cycle;;developmental duration;;fecundity;;morphology
摘  要：
【Aim】The solanum mealybug,Phenacoccus solani( Hemiptera: Pseudococcidae),is a new record species in China,and supposed to be a great potential threat to agricultural production and ecological environment. This study aims to reveal the biological characteristics of P. solani. 【Methods】The reproductive mode,developmental duration,fecundity and morphological characteristics of various developmental stages of P. solani on the host Solanum tuberosum were investigated under laboratory conditions( 27 ± 1℃,RH 70% ± 5% and a photoperiod of 12 L ∶ 12 D). 【Results 】 P. solani is a parthenogenetic,thelyotokous species,and no male individual could be found in the population. There are five stages( egg,1 st-3 rd instar nymphs and adult female) in the life cycle. Eggs are laid in a scattering mode,and hatched within ca. 24 min. Female adults also produce some eggs that are unhatchable. The nymphal stage lasts 14-22 d and the total life span is 33-64 d. Adult female has strong fecundity,with the number of eggs laid per female ranging from 135 to 337( 244 on average). Themain morphological characteristics of each developmental stage: egg,oblong,yellow and transparent in appearance,with one pair of reddish brown compound eyes; the 1 st instar nymph,also yellow in color,and moves fast; the 2 nd instar nymph,protuberances appear on the marginal surface of body; the 3 rd instar nymph,dark yellow in color,its protuberances become visible,and caudal valve protrudent; adult female,covered with a thick layer of white waxy powder,protuberances become more visible,body color becomes darker,and legs dark red in color. 【Conclusion 】The main biological characteristics of P.solani were clarified from the aspects of reproductive mode,developmental duration,and fecundity. The results imply that P. solani is an important and potential dangerous insect pest.

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