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On hummingbirds, ants and flowers

It has been found that flowers of Abutilon striatum Dickson (Malvaceae) are robbed by hummingbirds and Trigona bees and, thus opened up, invaded by ants of the genus Pheidole.


Universidade de São Paulo, Escola Superior de Agricultura Av.Páduas Dias, 11, C.P 9 / Piracicaba - São Paulo, Brasil, tel. (019)3429-4486, (019)3429-4401 - Piracicaba - SP - Brazil
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