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Overwintering potential of the invasive leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a pest in greenhouse tomato production in Western Europe

(2015) JOURNAL OF PEST SCIENCE. 88(3). p.533-541
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Abstract
The South American tomato leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is a devastating pest in tomato crops. After having spread rapidly in the Mediterranean area since its first detection in 2006, it has recently become established in greenhouses in Western Europe. It was assumed that the low temperatures commonly associated with the winters in this area would prevent this exotic species from successful overwintering. However, the observed presence of T. absoluta at the start of the growing season in Belgium sparked a study on its potential to overwinter in Western Europe. In this study, the insect's cold hardiness and overwintering potential was assessed by determining: (1) the supercooling point (SCP) of larvae, pupae, and adults, (2) the lower lethal time (LT) for these stages at 0 and 5 A degrees C, and (3) the reproductive diapause incidence, as indicated by the reproductive performance of females reared at two temperatures (18 and 25 A degrees C) and two photoperiods [16:8 and 8:16 (L:D) h]. The mean SCP recorded for pupae (-16.7 A degrees C) was significantly higher than for adults (-17.8 A degrees C) and larvae (-18.2 A degrees C). Based on estimates of the LT adults demonstrated better cold hardiness than larvae and pupae at both 0 and 5 A degrees C with the median LT of adults averaging 17.9 and 27.2 days, respectively. No reproductive diapause was observed under the tested regimes. The results of this study indicate that T. absoluta is likely to successfully overwinter between two successive tomato crops in commercial greenhouses in Western Europe.
Keywords
South American tomato pinworm, Low temperature, Cold hardiness, Diapause, Protected crops, Tomato, BIOLOGICAL-CONTROL, COLD-HARDINESS, NATURAL ENEMIES, LADY BEETLE, UK, TEMPERATURE, TOLERANCE, PRIMERS, PINWORM, ADULTS

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Citation

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Chicago
Van Damme, Veerle, Nick Berkvens, Rob Moerkens, Els Berckmoes, Lieve Wittemans, Raf De Vis, Hans Casteels, Luc Tirry, and Patrick De Clercq. 2015. “Overwintering Potential of the Invasive Leafminer Tuta Absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a Pest in Greenhouse Tomato Production in Western Europe.” Journal of Pest Science 88 (3): 533–541.
APA
Van Damme, V., Berkvens, N., Moerkens, R., Berckmoes, E., Wittemans, L., De Vis, R., Casteels, H., et al. (2015). Overwintering potential of the invasive leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a pest in greenhouse tomato production in Western Europe. JOURNAL OF PEST SCIENCE, 88(3), 533–541.
Vancouver
1.
Van Damme V, Berkvens N, Moerkens R, Berckmoes E, Wittemans L, De Vis R, et al. Overwintering potential of the invasive leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a pest in greenhouse tomato production in Western Europe. JOURNAL OF PEST SCIENCE. 2015;88(3):533–41.
MLA
Van Damme, Veerle, Nick Berkvens, Rob Moerkens, et al. “Overwintering Potential of the Invasive Leafminer Tuta Absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a Pest in Greenhouse Tomato Production in Western Europe.” JOURNAL OF PEST SCIENCE 88.3 (2015): 533–541. Print.
@article{6847835,
  abstract     = {The South American tomato leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is a devastating pest in tomato crops. After having spread rapidly in the Mediterranean area since its first detection in 2006, it has recently become established in greenhouses in Western Europe. It was assumed that the low temperatures commonly associated with the winters in this area would prevent this exotic species from successful overwintering. However, the observed presence of T. absoluta at the start of the growing season in Belgium sparked a study on its potential to overwinter in Western Europe. In this study, the insect's cold hardiness and overwintering potential was assessed by determining: (1) the supercooling point (SCP) of larvae, pupae, and adults, (2) the lower lethal time (LT) for these stages at 0 and 5 A degrees C, and (3) the reproductive diapause incidence, as indicated by the reproductive performance of females reared at two temperatures (18 and 25 A degrees C) and two photoperiods [16:8 and 8:16 (L:D) h]. The mean SCP recorded for pupae (-16.7 A degrees C) was significantly higher than for adults (-17.8 A degrees C) and larvae (-18.2 A degrees C). Based on estimates of the LT adults demonstrated better cold hardiness than larvae and pupae at both 0 and 5 A degrees C with the median LT of adults averaging 17.9 and 27.2 days, respectively. No reproductive diapause was observed under the tested regimes. The results of this study indicate that T. absoluta is likely to successfully overwinter between two successive tomato crops in commercial greenhouses in Western Europe.},
  author       = {Van Damme, Veerle and Berkvens, Nick and Moerkens, Rob and Berckmoes, Els and Wittemans, Lieve and De Vis, Raf and Casteels, Hans and Tirry, Luc and De Clercq, Patrick},
  issn         = {1612-4758},
  journal      = {JOURNAL OF PEST SCIENCE},
  language     = {eng},
  number       = {3},
  pages        = {533--541},
  title        = {Overwintering potential of the invasive leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) as a pest in greenhouse tomato production in Western Europe},
  url          = {http://dx.doi.org/10.1007/s10340-014-0636-9},
  volume       = {88},
  year         = {2015},
}

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