Abstract

Oviposition preferences among some members of the family Tabanidae inhabiting a pond near Auburn, Alabama, were investigated using a series of experimental stations containing several species of aquatic plants. Females of Chrysops callidus Osten Sacken, C. cincticornis Walker, and a Chrysops species, randomly deposited egg masses on Typha latifolia (L.) placed at distances of 2, 5, 10, 25, 50, and 100 feet from the shore. At stations near the shore, deer flies showed a definite oviposition preference for Polygonum hydropiperoides Michx. over Leersia oryzoides (L.), Typha latifolia L., Juncus acuminatus Michx., Polygonum caespitosum Blume, and a small wooden stick. The 2nd highest number of egg masses was deposited on L. oryzoides . No eggs were found on P. caespitosum or the wooden stick.

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