The population structure of hummingbird flower mites in Centropogon solanifolius (Campanulaceae)

  • Gordon, Shelly
Publication date
May 2002
Publisher
Digital Commons @ University of South Florida

Abstract

Hummingbird flower mites of the genus Rhinoseius (Mesostigmata: Ascidae) are nectar thieves of several species of cloud forest plants, including Centropogon solanifolius (Campanulaceae). Rhinoseius sp. disperses by riding on the bills of the hummingbirds that pollinate the flowers. The population size, flower colonization rate, and sex ratio of Rhinoseius sp. in C. solanifolius were examined in relation to flower age and the distance to the nearest open neighbor flower (NND) in Lower Montane Rain Forest in Monteverde, Costa Rica. Population size and the rate of flower colonization were not significantly influenced by the flower age or the NND. Flowers were colonized rapidly and the population size was highly variable. The interaction betwee...

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