Author： HOFFMAN J. DAVID
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.72, Iss.6, 1979-11, pp. : 791-793
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Abstract
Studies to develop in vitro rearing systems for parasitic insects require a daily supply of parasite eggs (0–4 h old) which are dissected from natural host eggs. An instrument was designed, tested, and used to expose host insects automatically to parasites when activated by a present timer. Host and parasite were confined in separate chambers in this device at the end of each workday and the timer set to pull a partition from between the chambers 4 h before the start of the next workday. This device was in daily operation for more than a year without a failure and provided 0-to-4-h-old parasite eggs for use in our studies at the start of each workday with a savings of ca. 4 h/day.
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