Translator Disclaimer
1 August 2007 Hot-Water Immersion Quarantine Treatment Against Mediterranean Fruit Fly and Oriental Fruit Fly (Diptera: Tephritidae) Eggs and Larvae in Litchi and Longan Fruit Exported from Hawaii
Author Affiliations +
Abstract

Immersion of litchi fruit in 49°C water for 20 min followed by hydrocooling in ambient (24 ± 4°C) temperature water for 20 min was tested as a quarantine treatment against potential infestations of Mediterranean fruit fly, Ceratitis capitata (Wiedemann); and oriental fruit fly, Bactrocera dorsalis Hendel, eggs or larvae in Hawaiian litchi, Litchi chinensis Sonnerat. The 49°C hot-water immersion of litchi provided probit 9 (99.9968% mortality with >95% confidence) quarantine security against eggs and first instars. There were no survivors from 15,000 each feeding and nonfeeding Mediterranean fruit fly or oriental fruit fly third instars immersed in a computer-controlled water bath that simulated the litchi seed-surface temperature profile during the 49°C hot-water immersion treatment. Litchi served as the model for longan, Dimocarpus longan Lour., a closely related fruit that is smaller and also has commercial potential for Hawaii. Modified fruit infestation and holding techniques used to obtain adequate estimated treated populations from poor host fruit, such as litchi and longan, are described. Data from these experiments were used to obtain approval of a hot-water immersion quarantine treatment against fruit flies for litchi and longan exported from Hawaii to the U.S. mainland.

John W. Armstrong and Peter A. Follett "Hot-Water Immersion Quarantine Treatment Against Mediterranean Fruit Fly and Oriental Fruit Fly (Diptera: Tephritidae) Eggs and Larvae in Litchi and Longan Fruit Exported from Hawaii," Journal of Economic Entomology 100(4), 1091-1097, (1 August 2007). https://doi.org/10.1603/0022-0493(2007)100[1091:HIQTAM]2.0.CO;2
Received: 1 December 2006; Accepted: 13 April 2007; Published: 1 August 2007
JOURNAL ARTICLE
7 PAGES

This article is only available to subscribers.
It is not available for individual sale.
+ SAVE TO MY LIBRARY

SHARE
ARTICLE IMPACT
RIGHTS & PERMISSIONS
Get copyright permission
Back to Top