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1 October 2002 Comparative Life History of Liriomyza trifolii and Liriomyza huidobrensis (Diptera: Agromyzidae) on Beans: Effect of Temperature on Development
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Abstract

The influence of four constant temperatures (15, 20, 25, and 30°C) on development time and survivorship of Liriomyza trifolii (Burgess) and Liriomyza huidobrensis (Blanchard) was studied in laboratory experiments. L. huidobrensis required more time for embryonic development at 25 and 30°C, and less time at 15°C, compared with L. trifolii; at 20°C there were no differences between the two species. Larval development time for L. huidobrensis was longer than for L. trifolii at 20, 25, and 30°C. At 15°C no differences were detected. Pupal development of L. huidobrensis was always faster at 15, 20, and 25°C than that of L. trifolii. Total preimaginal development time was quicker at 15 and 20°C in L. huidobrensis than in L. trifolii; at 25°C no significant differences were found. Highest survival of L. trifolii (68%) occurred at 20°C, while that of L. huidobrensis (61%) occurred at 15°C. At 30°C no adults of L. huidobrensis emerged. The estimated lower threshold temperatures for egg, larva, pupa and total development of L. huidobrensis ranged between 7.3 and 8.1°C, and they were always lower than L. trifolii thresholds, which ranged between 9.9 and 10.7°C. The Logan model was used to describe the relationship between development rate and temperature. The quantification of development times presented in this study, combined with fecundity under different temperatures, could be incorporated into a phenological model that will aid in predicting population charges of leafminers.

Alberto Lanzoni, Giovanni G. Bazzocchi, Giovanni Burgio, and Maria Rosa Fiacconi "Comparative Life History of Liriomyza trifolii and Liriomyza huidobrensis (Diptera: Agromyzidae) on Beans: Effect of Temperature on Development," Environmental Entomology 31(5), 797-803, (1 October 2002). https://doi.org/10.1603/0046-225X-31.5.797
Received: 1 June 2001; Accepted: 1 November 2001; Published: 1 October 2002
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