Armases angustipes (Grapsidae) crabs were recorded on 31.5 percent of Aechmea pectinata inflorescences, a common ornithofilous bromeliad in rain forests of southeastern Brazil. Crabs foraged mainly in the morning and used newly opened flowers, usually damaging the corolla, consuming the stamens and stigma, and interfering with hummingbird visits. This florivory may reduce the reproductive success of A. pectinata, both directly through consumption of flowers and indirectly by reducing pollinator visits.
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1 June 2003
Florivory by the Crab Armases angustipes (Grapsidae) Influences Hummingbird Visits to Aechmea pectinata (Bromeliaceae)
Maria Bernadete F. Canela,
Marlies Sazima
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BIOTROPICA
Vol. 35 • No. 2
June 2003
Vol. 35 • No. 2
June 2003
Aechmea pectinata
bromelicolous crab
Florivory
hummingbirds
pollination success
Southeastern Brazil
submontane rain forest