期刊
EUROPEAN JOURNAL OF ENTOMOLOGY
卷 114, 期 -, 页码 325-331出版社
CZECH ACAD SCI, INST ENTOMOLOGY
DOI: 10.14411/eje.2017.040
关键词
Hemiptera; Aleyrodidae; Bemisia tabaci; Miridae; Nesidiocoris tenuis; Lepidoptera; Gelechiidae; Tuta absoluta; biological control; functional response; temperature
类别
资金
- Department of Plant Protection at Vali-e Asr University of Rafsanjani
- Department of Plant Protection of Agricultural and Natural Resources Research Center in Southern Kerman (Jiroft, Iran)
- Italian Ministry of Education, Universities and Research (SIR project) [RBSI14I02A]
The effect of temperature on the functional response of female adults of Nesidiocoris tenuis Reuter to different densities of Bemisia tabaci (Gennadius) pupae was assessed. Three constant temperatures (15, 25, and 35 degrees C) and six prey densities (5, 10, 20, 35, 50, and 70) were tested over a 24-h period. Nesidiocoris tenuis exhibited a type II functional response at 15 and 25 degrees C, and a type III response at 35 degrees C. The number of prey consumed by the predator increased with increase in the prey density at all temperatures. Temperature influenced attack rates and handling times. The highest attack rate occurred at 35 degrees C at high densities (35, 50, and 70 prey) and the lowest handling time was recorded at 35 degrees C. The maximum attack rates (T/Th) were 17.13, 42.12, and 45.07 whitefly pupae per day at 15, 25 and 35 degrees C, respectively. As a result, the value of a/T-h indicates that N. tenuis was relatively more efficient in attacking B. tabaci at 35 degrees C than at lower temperatures. Results suggest that the ability of N. tenuis to detect and consume B. tabaci over a broad range of temperatures, especially high temperatures (25-35 degrees C), makes this mirid a good candidate for the biological control of whiteflies in warm environments, such as greenhouses.
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