alternative prey meaning in English
代替猎物
Examples
- Fijiensis and myzus persicae ( sulzer ) . in order to investigate the influence of alternative preys on the ladybird , comparison between its alternative preys and natural prey bemisia tabaci ( gennidius ) was studied in the laboratory , and the results showed that the beetle could not oviposit when feeding exclusively on m . persicae , but the adult longevity was n ' t significantly changed compared with those feeding on natural prey
( 2 )小黑瓢虫分别以三种猎物为食时,均表现为雌虫的寿命大于雄虫的寿命, t测验表明,以蚜虫为猎物时,雌雄成虫寿命之间的差异达到极显著水平;以红蜘蛛为猎物时,雌雄成虫寿命之间无显著差异;以烟粉虱为猎物时,雌雄成虫寿命之间的差异达到显著水平。 - In this dissertation , the interactive system of delphastus catalinae ( horn ) , its preys and competitor was studied , including comparison between alternative preys and natural prey consumed by d . catalinae ; the system of d . catalinae and its preys ; morphology comparison between d . catalinae and its competitor serangium japonicum chapin ; biology , ecology and predation of s . japonicum ; and also the interspecies competition between d . catalinae and s . japonicum . 1 . besides whitefly pests , d . catalinae could also feed on two species of alternative preys : tetranychus nr
Fijiensis和桃蚜myzuspersicae ( sulzer ) ,并在实验室条件下,以自然猎物烟粉虱bemisiatabaci为对照,研究了替代猎物对小黑瓢虫的发育、存活、繁殖及对实验种群增长的综合影响,结果表明: ( 1 )小黑瓢虫以蚜虫为猎物时,成虫不会产卵,但可延长成虫的寿命;以红蜘蛛为猎物时,成虫可产卵并可完成整个世代。