Abstract
We present results deriving from the inception of an investigation (involving 4,000 scored matings) into the development of discriminatory behavior inDrosophila paulistorum. We examined two complementary situations for their effects on mating behavior: physical isolation (seclusion) beginning at each of six developmental stages and exposure to heterosemispecifics during all preadult stages (mixed culturing). Preadult seclusion at certain stages decreased sexual isolation between three of four semispecific pairs. Seclusion effect, or lack thereof, varied with semispecies and with the stage at which seclusion was imposed: the earlier the stage at which seclusion was initiated, the more drastic the effect. In contrast, mixed culturing increased sexual isolation between the one pair of semispecies that was tested.
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This research was partially supported by research awards from the Whitehall Foundation (to L. Ehrman), PSC-CUNY (662176 to H. R. Koepfer), and The Conservation Agency through a grant from the Falconwood Corporation (to H. R. Koepfer).
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Kim, YK., Ehrman, L. & Koepfer, H.R. Developmental isolation and subsequent adult behavior ofDrosophila paulistorum. I. Survey of the six semispecies. Behav Genet 22, 545–556 (1992). https://doi.org/10.1007/BF01074307
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DOI: https://doi.org/10.1007/BF01074307