Flowering Phenology and Pollination Ecology of Cryptanthus Dianae Leme: A Case of Floral Fragrance-Collecting by Euglossinae Bees in Bromeliaceae


pollinating insects
insect pollination
insect behavior

How to Cite

Filho, J. A. S., & Machado, I. C. (2008). Flowering Phenology and Pollination Ecology of Cryptanthus Dianae Leme: A Case of Floral Fragrance-Collecting by Euglossinae Bees in Bromeliaceae. Selbyana, 29(2), 226–232. Retrieved from https://ojs.test.flvc.org/selbyana/article/view/121204


Cryptanthus Otto & A. Dietrich, one of the most distinctive genera in the Bromeliaceae, is endemic to Brazil. The flowering phenology and floral biology of Cryptanthus dianae Lerne were studied in natural sites in Tapacurá Ecological Station and Natural heritage private reserve (RPPN) Frei Caneca, both located in Pernambuco. Cryptanthus dianae flowers once a year, with one to four flowers opening per day. The species is andromonoecious with a predominance of male flowers during the beginning of the blooming period. Flowers emerge in the central apical area of the inflorescence and more rarely in the peripheral basal area of the rosette where the hermaphrodite flowers open. Visits by hummingbirds (Phae thornis ruber), flies, diurnal moths (Saliana sp.), and bees (Euglossa cordata, Eulaema nigrita, Trigona sp.) were observed. According to the behavior and frequency of visits, the Euglossini males appear to be the main pollinators. During floral visits, Euglossa cordata and Eulaema nigrita scrape the petals, filaments and style with their forelegs, thus suggesting that odor is an additional floral resource in addition to the pollen and nectar. This is the first report of the presence of floral odor in Bromeliaceae as the primary attractive.


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