2004
DOI: 10.1590/s1519-566x2004000400004
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Xylocopa (Monoxylocopa) abbreviata Hurd & Moure (Hymenoptera: Apidae) e Encholirium spectabile (Bromeliaceae): uma associação estreita no semi-árido do Brasil tropical

Abstract: . This bromeliad grows clumped on rock outcrops exposed to direct sunlight in the semi-arid tropical caatingas of northeastern Brazil. In the largest aggregation of E. spectabile, X. abbreviata reached 1,7 nests/stalk and around 20 nests/ha. The stalks are available as nest site after fruiting, and can be used for three months before final decaying. However the flowering asynchronism within local population assures good stalks almost all year round. The flower stalk is filled with a soft pulp where the female … Show more

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Cited by 30 publications
(41 citation statements)
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“…Guarding behaviour as described in M. postica is widespread in the Xylocopinae, i.e., Ceratinini (Sakagami & maeta 1977;michener 1985;maeta et al 1992), allodapini (mason 1988maeta et al 1992;Steen & Schwarz 1998), and Xylocopini (Ramalho et al 2004), and may reflect the retention of a primitive defence mechanism closely related to nest architecture, i.e., a single, narrow nest entrance allowing an effective blockading with the metasoma (Ramalho et al 2004).…”
Section: Guarding Behaviourmentioning
confidence: 96%
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“…Guarding behaviour as described in M. postica is widespread in the Xylocopinae, i.e., Ceratinini (Sakagami & maeta 1977;michener 1985;maeta et al 1992), allodapini (mason 1988maeta et al 1992;Steen & Schwarz 1998), and Xylocopini (Ramalho et al 2004), and may reflect the retention of a primitive defence mechanism closely related to nest architecture, i.e., a single, narrow nest entrance allowing an effective blockading with the metasoma (Ramalho et al 2004).…”
Section: Guarding Behaviourmentioning
confidence: 96%
“…Studies on other bee species (Apis mellifera, Diadasina distincta) have also demonstrated that individuals of the larger sex occupy cells of greater dimensions (Taber & owens 1970;martins et al 1999), whereas in Xylocopa abbreviata, in which sexes do not differ in size there is no difference in size between male and female cells (Ramalho et al 2004). These facts suggest that females of M. postica can build cells to a given length depending on the sex of individual which will develop inside that cell.…”
Section: Nesting Substrates and Nest Architecturementioning
confidence: 98%
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“…Apesar de grande diversidade nos atributos florais e sistemas de polinização (Benzing 2000), poucas espécies desta subfamília foram estudadas quanto à sua biologia floral, interação planta-animal e reprodução (Vogel 1969, Varadarajan & Brown 1988, Sazima et al 1989, Bernardello et al 1991, Stiles & Freemann 1993, Forzza et al 2003, Vesprini et al 2003, Ramalho et al 2004. Este fato pode estar relacionado à distribuição das espécies em afloramentos rochosos (Benzing 2000, Forzza et al 2003) que são áreas de difícil acesso.…”
Section: Introductionunclassified
“…Por lo tanto, no existe contacto ni entre la madre y su progenie en desarrollo, ni entre la progenie. La mayoría de las especies estudiadas de Xylocopini exhiben celdas selladas durante el período en que los inmaduros se desarrollan (Dover 1924, Rau 1943¸ Hurd 1955, 1958, Hurd & Moure 1960, Balduf 1962, Sakagami & Laroca, 1971, Gerling & Hermann 1978, Camillo & Garófalo 1982, Gerling et al 1983, Maeta et al 1985, Camillo et al 1986, Thoenes & Buchmann 1994, Maeta et al 1996, Steen & Schwarz, 2000, Ramalho et al 2004, Gimenes et al 2006. En estas especies, tampoco ocurre contacto entre la madre y los individuos en desarrollo.…”
Section: Contacto Físico Entre La Hembra Y Su Progenie En Desarrollounclassified