Insects 2013, 4(2), 185-197; doi:10.3390/insects4020185
Article

Population Development of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under Simulated UK Glasshouse Conditions

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Received: 11 March 2013; in revised form: 23 April 2013 / Accepted: 25 April 2013 / Published: 15 May 2013
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Abstract: Tomato leafminer Tuta absoluta (Meyrick) is a major pest of tomato plants in South America. It was first recorded in the UK in 2009 where it has been subjected to eradication policies. The current work outlines T. absoluta development under various UK glasshouse temperatures. The optimum temperature for Tuta development ranged from 19–23 °C. At 19 °C, there was 52% survival of T. absoluta from egg to adult. As temperature increased (23 °C and above) development time of the moth would appear to decrease. Population development ceases between 7 and 10 °C. Only 17% of eggs hatched at 10 °C but no larvae developed through to adult moths. No eggs hatched when maintained at 7 °C. Under laboratory conditions the total lifespan of the moth was longest (72 days) at 13 °C and shortest (35 days) at both 23 and 25 °C. Development from egg to adult took 58 days at 13 °C; 37 days at 19 °C and 23 days at 25 °C. High mortality of larvae occurred under all temperatures tested. First instar larvae were exposed on the leaf surface for approximately 82 minutes before fully tunnelling into the leaf. Adult longevity was longest at 10 °C with moths living for 40 days and shortest at 19 °C where they survived for 16 days. Generally more males than females were produced. The potential of Tuta absoluta to establish populations within UK protected horticulture is discussed.
Keywords: integrated pest management; lifespan; population development; tomato
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Cuthbertson, A.G.S.; Mathers, J.J.; Blackburn, L.F.; Korycinska, A.; Luo, W.; Jacobson, R.J.; Northing, P. Population Development of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under Simulated UK Glasshouse Conditions. Insects 2013, 4, 185-197.

AMA Style

Cuthbertson AGS, Mathers JJ, Blackburn LF, Korycinska A, Luo W, Jacobson RJ, Northing P. Population Development of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under Simulated UK Glasshouse Conditions. Insects. 2013; 4(2):185-197.

Chicago/Turabian Style

Cuthbertson, Andrew G.S.; Mathers, James J.; Blackburn, Lisa F.; Korycinska, Anastasia; Luo, Weiqi; Jacobson, Robert J.; Northing, Phil. 2013. "Population Development of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under Simulated UK Glasshouse Conditions." Insects 4, no. 2: 185-197.

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