Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/124198
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Type: Journal article
Title: The effects of temperature on the development, fecundity and mortality of Eretmocerus warrae: is Eretmocerus warrae better adapted to high temperatures than Encarsia formosa?
Author: Wang, T.
Keller, M.A.
Hogendoorn, K.
Citation: Pest Management Science, 2019; 75(3):702-707
Publisher: Wiley
Issue Date: 2019
ISSN: 1526-498X
1526-4998
Statement of
Responsibility: 
Tao Wang, Michael Anthony Keller and Katja Hogendoorn
Abstract: BACKGROUND: Eretmocerus warrae (Hymenoptera: Aphelinidae) is a parasitoid of the glasshouse whitefly, Trialeurodes vaporariorum (Hemiptera: Aleyrodidae). Here, we compare its potential as a biological control agent at high temperatures to that of Encarsia formosa (Hymenoptera: Aphelinidae), a wasp which is widely sold for control of T. vaporariorum. RESULTS: Eretmocerus warrae attained the highest estimated developmental rate at 31.4 ∘C and the maximum oviposition rate at 30.5 ∘C. Developmental times of E. warrae at fluctuating temperatures that simulate night-day patterns were similar to those predicted based on constant temperatures. Above the optimum temperature, E. warrae tolerated higher constant temperatures than En. formosa during development and as adults. Using a ramping temperature approach, the critical thermal maximum for adult E. warrae was significantly higher than that of adult En. formosa. CONCLUSION: Eretmocerus warrae is better adapted to high temperatures than En. formosa, and could therefore be a complementary or superior biological control agent during summer months in hot regions.
Keywords: Trialeurodes vaporariorum; critical thermal maximum; ramping temperature; survival; fluctuating temperature
Description: Published online in Wiley Online Library: 1 October 2018
Rights: © 2018 Society of Chemical Industry
RMID: 0030099359
DOI: 10.1002/ps.5169
Published version: http://onlinelibrary.wiley.com/
Appears in Collections:Agriculture, Food and Wine publications

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