蒙氏隐毛虫对粉蚧的比较生物学及捕食潜力

L. Allwin, V. Radhakrishnan
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摘要

蒙氏隐毛虫在毛单胞球菌和柑橘假球菌上的比较生物学研究表明,蒙氏隐毛虫在这两个物种上都成功地完成了其生命周期。平均总发育周期(卵到蛹),取食柑橘田鼠为18.1 d,取食毛鼠为20.9 d。在柑橘上发育的成虫产卵量为284.2个/雌,寿命为47.0天。从生长指标分析来看,蒙氏栗鼠对柑橘的适宜性指数为2.51,高于对毛毛栗的1.78。在2个生命阶段中,montrouzieri成虫的食欲更大,平均每只成虫对毛鼠的食欲分别为258.7、352.1和217.3只,对柑橘成虫的食欲分别为323.8、715.6和328.6只卵、若虫和成虫。成虫需要量分别为221.1、55.1和36.6只,卵、若虫和成虫需要量分别为1079.0、341.3和41.0只。在不同龄期中,三、四龄期对柑橘螟卵、若虫和成虫的摄取量分别为92.1%、78.5%和85.9%、88.9%、93.5%和79.0%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
COMPARATIVE BIOLOGY AND PREDATORY POTENTIAL OF Cryptolaemus montrouzieri ON MEALYBUGS
Comparative biology of Cryptolaemus montrouzieri on Maconellicoccus hirsutus and Pseudococcus citri revealed that it had completed its life cycle successfully on both species. The mean total developmental period (egg to pupa) was 18.1 days, when reared on P. citri and it was 20.9 days in M. hirsutus. The adults developed on P. citri had high fecundity 284.2 eggs / female and longevity 47.0 days than those developed on M. hirsutus. Analysis on the growth indices of C. montrouzieri showed more preference on P. citri with high suitability index of 2.51 than M. hirsutus (1.78). Among two life stages, adults of C. montrouzieri was more voracious and each adult consumed an average 258.7, 352.1 and 217.3 numbers on M. hirsutus while, it was 323.8, 715.6 and 328.6 number of eggs, nymphs and adults for P. citri, respectively. The grubs required 221.1, 55.1 and 36.6 numbers of M. hirsutus and 1079.0, 341.3 and 41.0 number of eggs, nymphs and adults of P. citri, respectively to complete life stages. Out of different instars of C. montrouzieri, third and fourth instars required around 92.1, 78.5 and 85.9 per cent and 88.9, 93.5 and 79.0 per cent of total eggs, nymphs and adults of P. citri and M. hirsutus consumed, respectively.
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