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Revista de Biología Tropical

versión On-line ISSN 0034-7744versión impresa ISSN 0034-7744


DI TRANI DE LA HOZ, Juan Carlos. Visita de abejas (Apis mellifera, Hymenoptera: Apoidea) a flores de melón Cucumis melo (Cucurvitaceae) en Panamá. Rev. biol. trop [online]. 2007, vol.55, n.2, pp.677-680. ISSN 0034-7744.

Bee (Apis mellifera, Hymenoptera: Apoidea) visitation to cantaloupe Cucumis melo (Cucurvitaceae) flowers in Panama. Flower visits by bees were observed in a melon cultivated field of San Lorenzo district, in Chiriquí, Panama, from January 6 to February 19, 2002, from 6:30 am to 4:30 pm We recorded the duration of each foraging event and the type of resource collected. Flower visits were mostly for nectar collection (∼75 %). Pollen foraging was concentrated in the first hours of the morning and ended by 11:00 am The mean collection time was similar for both food resources, but was different between flower sexes. Flower visits to female flowers took longer (Student's t test, p<0.0001), with a mean time duration of 8.4±4.4 s, whereas in male flowers mean visitation time was of 4.0±1.5 s. Finally, the mean time for each floral sex remained practically constant through the evolution of the crop. Our results were similar to the found ones in temperate zone crops, so apparently tropical conditions of Panama do not change the bee visit patterns on melon flowers. Rev. Biol. Trop. 55 (2): 677-680. Epub 2007 June, 29.

Palabras clave : melon; pollination; flower visits; resource; nectar; pollen; flower sex.

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