Author： CARLSON O. V. HIBBS E. T.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.63, Iss.2, 1970-03, pp. : 516-519
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Abstract
Ovipositional behavior of the potato leafhopper, Empoasca fabae (Harris), on broad bean began during feeding. Preoviposition acts lasted from 3 to 30 minutes, oviposition required about 2 minutes, postoviposition acts lasted 1–4 minutes before feeding was resumed. Egg release into a fissure among host plant cells ruptured by the ovipositor was accomplished by alternating frictioncontact and release from ratchets on inner surfaces of paired 2nd valvulae. Because the female disrupted the behavioral pattern just after the ovipositor was unsheathed, oviposition was not accomplished on artificial media. On Solatium chacoense, unaccepted for oviposition, the ovipositor was not unsheathed, and none of the acts associated with oviposition following feeding. It was postulated that oviposition is released or withheld in response to stimuli received during feeding.
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