2010
DOI: 10.1590/s1519-566x2010000400020
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Abstract: -Bees can form all levels of social organization, from solitary to advanced eusocial societies. Although 80% of the species exist as solitary species, most researches emphasize social species. This study focuses on the description of the male reproductive system of the solitary bees Thygater analis (Lepeletier) and Melitoma segmentaria (Fabricius) and searches for traits that support behavioral and phylogenetic studies. The reproductive system of males were dissected, fi xed in 2.5% glutaraldehyde in 0.1 M sod… Show more

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Cited by 6 publications
(5 citation statements)
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“…According to Gomes et al (2012), the plesiomorphic number of spermatozoa per cyst in Hymenoptera is 64, as also found in Trypoxylon (Trypargilum) Richards (Moreira et al, 2008) and Microstigmus arlei (Richards) (Zama et al, 2007). However, in some members of Vespidae up to 128 spermatozoa were observed (Brito et al, 2005), as in Polistes versicolor versicolor (Olivier) (Araújo et al, 2010), and in Apidae, tribe Meliponini (Lino-Neto et al, 2008). The number of spermatozoa per cyst is determined by the number of cell divisions and is constant for each species; however, it can vary from species to species.…”
Section: Discussionmentioning
confidence: 95%
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“…According to Gomes et al (2012), the plesiomorphic number of spermatozoa per cyst in Hymenoptera is 64, as also found in Trypoxylon (Trypargilum) Richards (Moreira et al, 2008) and Microstigmus arlei (Richards) (Zama et al, 2007). However, in some members of Vespidae up to 128 spermatozoa were observed (Brito et al, 2005), as in Polistes versicolor versicolor (Olivier) (Araújo et al, 2010), and in Apidae, tribe Meliponini (Lino-Neto et al, 2008). The number of spermatozoa per cyst is determined by the number of cell divisions and is constant for each species; however, it can vary from species to species.…”
Section: Discussionmentioning
confidence: 95%
“…These secretions have several functions, including induction and acceleration of oviposition, increased fertility, decreased female receptivity or attractiveness, maintenance and activation of spermatozoa, and success in sperm competition (Gillott, 2005;Huang et al, 2007;Avila et al, 2011;King et al, 2011). These secretions may also be related to the male reproductive strategy, contributing to the mechanism that guarantees copulation fidelity and keeps the sperm viable in the female's spermateca for a longer period (Araújo et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
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“…Except for Apis mellifera (Apinae) (Louveaux, 1977) and Hypanthidium foveolatum (Megachilinae) (Gracielle et al, 2009), which have around 200 and 28 follicles per testis, respectively, other Apidae studied have three or four follicles per testis. For instance, Centris, as well as other Apinae (Ferreira et al, 2004;Lima et al, 2006;Fiorillo et al, 2009;Brito et al, 2010), Anthophorinae (Araújo et al, 2010b), Melittinae and some Megachilinae (Roig-Alsina and Michener, 1993;Ferreira et al, 2004), present four follicles per testis. On the other hand, Andreninae, Colletinae, Halictinae, the majority of the Megachilinae (Ferreira et al, 2004) and the wasps Crabronidae (Zama et al, 2007;Moreira et al, 2008) and Vespidae (Dirks and Sternburg, 1972;Brito et al, 2005;Bushrow et al, 2006;Araújo et al, 2010a) present three follicles per testis.…”
Section: Discussionmentioning
confidence: 99%