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ISHS Acta Horticulturae 561: VIII International Symposium on Pollination - Pollination: Integrator of Crops and Native Plant Systems

PRELIMINARY OBSERVATIONS ON FORAGING ACTIVITIES OF BOMBUS DAHLBOMII AND BOMBUS TERRESTRIS (HYM: APIDAE) ON NATIVE AND NON-NATIVE VEGETATION IN CHILE

Authors:   L. Ruz, R. Herrera
Keywords:   Bumblebees, foraging, pollen, nectar, Eryngium, Lavatera, Salvia
DOI:   10.17660/ActaHortic.2001.561.24
Abstract:
The present paper provides preliminary information about some foraging activities of B. Dahlbomii, a native apid, and the introduced B. terrestris, in areas of Central-South and Central Chile. The field work was centered in looking at variables like: frequency of insect visits per plant; stigma contact; pollen collection; nectar gathering; and, time of floral visitation. Analysis of the data attempts to provide a better understanding of bumblebees behavior when foraging on native and non-native flowering plants and interaction with other insects, especially bees, in wild conditions.

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