LIFE TABLE PARAMETERS OF THE 2 PHYTOSEIID PREDATORS AMBLYSEIUS-SCUTALIS (ATHIAS-HENRIOT) AND A-SWIRSKII A-H (ACARI, PHYTOSEIIDAE) IN EGYPT

被引：55

作者：

ELLAITHY, AYM ^{[1
]}

FOULY, AH ^{[1
]}

机构：

[1] MANSOURA UNIV,FAC AGR,DEPT PLANT PROTECT,MANSOURA,EGYPT

来源：

JOURNAL OF APPLIED ENTOMOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE | 1992年 / 113卷 / 01期

关键词：

D O I：

10.1111/j.1439-0418.1992.tb00631.x

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Life history of the two phytoseiid species Amblyseius scutalis (= Euseius scutalis (A.-H.) and A. swirskii A.-H. was studied at constant conditions 26 +/- 1-degrees-C and 70% +/- 3 RH to compare their life tables and effeciency as biological control agents. Developmental stages of mite female of both A. scutalis and A. swirskii fed on nymphs of Tetranychus urticae Koch durated 7.81 and 5.50 days, respectively. Preoviposition, oviposition and postoviposition periods lasted 2.86 and 1.87; 12.86 and 22.33; 11.40 and 5.12 days for the two mite species, respectively. The intrinsic rate of natural increase (r(m)) and finite rate of increase (lambda) were 0.146 and 0.167; and 1.15 and 1.18; while the net reproductive rates (R(o)) were 7.22 and 12.97; and the mean generation time (T) was 14.68 and 16.97 for A. scutalis and A. swirskii, respectively. Total fecundity as well as total prey consumption of A. swirskii significantly surpassed those of A. scutalis.

引用

页码：8 / 12

页数：5

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