Observations on the overwintering ofFrankliniella occidentalis(Pergande) (Thysanoptera: Thripidae) under climatic conditions of Hungary

Thermal tolerance of Frankliniella occidentalis: Effects of temperature, exposure time, and gender

“…In addition, we found that female WFT adults were more tolerant to low temperature than males, as suggested by the data of Orosz et al (2009) andJu et al (2010), the latter authors found that the females of Corythucha ciliate have lower supercooling points and higher survival rates than males. The reason for this may be the larger size of females and potential differences in response to cold shock.…”

“…Populations then sharply decline in October with decreasing temperature. In south China, the pest can be found throughout the year, but in northern areas, it overwinters as adults or larvae in greenhouses, as reported in Japan (Okazaki et al, 2007) and Hungry (Orosz et al, 2009). It is now apparent that there is no physiological diapause in this pest (Ishida et al, 2003).…”

Overwintering of the western flower thrips in outdoor strawberry crops

“…For many years after the arrival of the species in the UK in 1986, it was considered to be only a pest in glasshouses and not to survive outdoors over winter (Baker et al 1993;Kirk 1996;McDonald et al 1997a). It does not overwinter in the open as an adult in Slovenia (Trdan et al 2003) or Bulgaria (Krumov and Karadjova 2012), and possibly not usually in Hungary, although this is uncertain (Jenser 1990;Orosz et al 2009). The current extent of winter survival outdoors in the UK is unclear and needs to be known in order to devise appropriate pest management strategies for susceptible outdoor crops.…”