Bionomia de Monoeca xanthopyga Harter-Marques, Cunha & Moure (Hymenoptera, Apidae, Tapinotaspidini) no Planalto das Araucárias, Rio Grande do Sul, Brasil

First report of <i>Monoeca</i> in Argentina, with description of two new species (Hymenoptera: Apidae)

“…The new flower records and the study of the pollen scopal loads corroborate the association of these oil-collecting bees with plants of the family Malpighiaceae as oil and pollen sources, and as shown by previous authors (Gottsberger, 1986;Cunha & Blochtein, 2003;Sigrist & Sazima, 2004;Rozen et al, 2006;Rocha-Filho & Melo, 2011 …”

“…genus collect oil from flowers of diverse species of Malpighiaceae (Gottsberger, 1986;Cunha & Blochtein, 2003;Sigrist & Sazima, 2004;Rozen et al, 2006;Rocha-Filho & Melo, 2011), and from some species of the tribe Oncidiinae of Orchidaceae (Cunha & Blochtein, 2003;Rocha-Filho & Melo, 2011). However, other floral resources can be gathered from other plant families as well as from Malpighiaceae.…”

“…However, other floral resources can be gathered from other plant families as well as from Malpighiaceae. Females of Monoeca xanthopyga Harter-Marques, Cunha, & Moure were observed collecting pollen of Malpighiaceae and Fabaceae (Cunha & Blochtein, 2003). The pollen masses in brood cells of M. haemorrhoidalis (Smith) consisted of pollen of Niedenzuella acutifolia (Cav.)…”

Male sleeping aggregations of solitary oil-collecting bees in Brazil (Centridini, Tapinotaspidini, and Tetrapediini; Hymenoptera: Apidae)

“…These bees are termed oil-collecting bees, or just oil bees. While several studies have been undertaken on the nesting biology of Brazilian oil bees, few of them have reported on male biology (Alves-dos- Santos et al, 2002;Cunha and Blochtein, 2003;Gaglianone, 2001Gaglianone, , 2005Rozen et al, 2006). We report here on the sleeping location of males of some oil-collecting bee species of these three tribes.…”

Territorial or wandering: how males of Protodiscelis palpalis (Colletidae, Paracolletinae) behave in searching for mates

“…sites not related to nests or food resources like in several Xylocopini (e.g. Alcock 1996;Leys 2000); (2) nesting sites, like in Centridini and Tapinotaspidini (Alcock et al 1976;Hiller and Wittmann 1994;Cunha and Blochtein 2003) and (3) flowers, as in Anthidiini, Centridini, Emphorini, Megachilini, Osmiini and Xylocopini, among others (Raw 1976;Eickwort and Ginsberg 1980;Roubik 1989; Alves dos Santos 2000; Medeiros and Schlindwein 2003;Oliveira and Schlindwein 2010). While patrolling flowers, males may either search for females without being engaged in combats with conspe-cific males or may actively defend flowers in order to restrict other males in accessing floral resources.…”