Life tables and development of Amblyseius swirskii (Acari: Phytoseiidae) at different temperatures.

Experimental & Applied Acarology
Heung-Su Lee, David R Gillespie

Abstract

Development time, reproduction, survival and sex ratio were determined for the omnivorous mite Amblyseius swirskii at nine constant temperatures (13, 15, 18, 20, 25, 30, 32, 34 and 36°C) on pepper leaf disks with cattail, Typha latifolia, pollen for food. These data were used to derive life table parameters at these constant temperatures. No development was observed at 13°C. The lower development threshold, based on the fit to the linear portion of the development curve, was 11.3°C. The upper development threshold was 37.4 ± 1.12°C, and the optimum temperature was calculated to be 31.5°C. Average lifetime fecundity ranged from a low of 1.3 ± 0.24 eggs/female at 15°C to a high of 16.1 ± 0.34 eggs/female at 25°C, and r (m) was greatest at 32°C. Non-linear regression of the relationship between temperature and r (m) produced an estimate of 15.49 ± 0.905°C for the lower threshold for population growth and 36.99 ± 0.816°C for the upper threshold for population growth, and an optimum temperature of 30.1°C. These values suggest that A. swiskii populations should grow quickly in response to food availability (pollen or prey) between 20 and 32°C, but that, especially below 20°C, population growth could be slow and impacts on prey popula...Continue Reading

References

Oct 18, 2001·Experimental & Applied Acarology·M NomikouM W Sabelis
Feb 6, 2004·Experimental & Applied Acarology·Maria NomikouMaurice W Sabelis
Nov 26, 2005·Journal of Insect Physiology·Fatiha BensadiaConrad Cloutier

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Citations

Jul 1, 2014·Experimental & Applied Acarology·Marzieh AlinejadYaghoub Fathipour
Nov 8, 2012·Bulletin of Environmental Contamination and Toxicology·José C ZanuncioJosé E Serrão
Sep 21, 2015·Experimental & Applied Acarology·Ana Cristina Cerqueira CavalcanteGilberto José de Moraes
Dec 17, 2014·Experimental & Applied Acarology·Rosemarije BuitenhuisCynthia Scott-Dupree
Dec 20, 2014·Experimental & Applied Acarology·F Javier CalvoJosé E Belda
Jun 19, 2013·Experimental & Applied Acarology·Maria L PappasGeorge D Broufas
May 15, 2013·Experimental & Applied Acarology·Irina Goleva, Claus P W Zebitz

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