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Host Plant Pollen Influences Calling Behavior and Ovarian Development of the Sunflower Moth, Homoeosoma electellum
Jeremy N. McNeil and Johanne Delisle
Vol. 80, No. 2 (1989), pp. 201-205
Stable URL: http://www.jstor.org/stable/4219033
Page Count: 5
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Females of the sunflower moth, Homoeosoma electellum held in the presence of pollen, or an ethanolic pollen extract, from the sunflower Helianthus annuus initiated calling behavior at a significantly younger age following emergence than those provided sucrose only. Furthermore, females with pollen subsequently spent more time calling, and had an increased rate of egg maturation, than those held without pollen. These effects were attributed to a kairomone as females held in the presence of, but denied direct access to, pollen behaved in the same manner as those in contact with pollen. The importance of this life history strategy for the exploitation of temporarily available resources, essential to the survival of neonate larvae, and on the dispersal of adults, is discussed.
Oecologia © 1989 Springer