Effects of Storage at 1.1°C on the Mortality of Liriomyza trifolii (Burgess) (Diptera: Agromyzidae) Life Stages in Celery

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Abstract
Experiments were conducted to evaluate the effects of the recommended storage temperature for celery (1.1°C) for various lengths of time on the mortality of the egg, larval, prepupal, and pupal stages of Liriomyza trifolii (Burgess). Mortality increased significantly (P < 0.05) with storage time for the egg, larval, and prepupal stages. Adult emergence from 15 and 89% developed pupae was reduced significantly (P < 0.05) due to storage, whereas adult emergence from 60% developed pupae was not affected. Sixteen days of cold storage under simulated commercial conditions resulted in >97% leafminer mortality in heavily infested field-grown celery. I conclude that storage at 1.1°C for at least 16 days could be effective in controlling L. trifolii in shipped celery if no pupae are present between the petioles.