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Data/hora: 09/06/2024 13:45:48

Utilization of floral resources by bees of the Genus Frieseomelitta von Ihering (Hymenoptera: Apidae)
Provedor de dados: 82
Autores: Teixeira,Alex F.R.; Oliveira,Favizia F. de; Viana,Blandina F.
The present study intended to verify which factors (phylogenetic relationship or local ecological conditions) would determine how Frieseomelitta bees use floral resources. The data obtained in the literature on biocenotic studies of Apoidea visiting flowers in Brazil were analyzed, with identification and quantification of floral resources used by Frieseomelitta species in different areas. The phenogram of similarity on use of resources among Frieseomelitta species was compared to the phylogenetic hypothesis proposed for the group. Among the eight Frieseomelitta species registered in 19 studies, F. doederleini (Friese), F. francoi (Moure), F. languida Moure, F. varia (Lepeletier) e Frieseomelitta sp. nov., were collected using resources from 36 plant...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Eusocial bee; Phylogenetic restriction; Visited plant.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000500007

Resupinate Dimorphy, a novel pollination strategy in two-lipped flowers of Eplingiella (Lamiaceae)
Provedor de dados: 39
Autores: Harley,Raymond M.; Giulietti,Ana Maria; Abreu,Ivan Silva; Bitencourt,Cassia; Oliveira,Favizia F. de; Endress,Peter K.
ABSTRACT This work provides a summary of the typical floral structure of subtribe Hyptidinae (Lamiaceae), in which both style and stamens are declinate within or near the concave anterior corolla lobe. Cross-pollination is facilitated by protandry, acting in conjunction with the explosive release of the stamens and pollen. In contrast, we report that in the three species of the genus Eplingiella we found individuals with either resupinate or non-resupinate flowers, which represents a novel floral dimorphism. In these species of Eplingiella, the style occupies a position towards the posterior corolla lip and opposes the declinate stamens. Thus, in non-resupinate flowers the pollinating bee receives pollen on its ventral side and makes contact with the style...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Centris; Eplingiella; Hyptidinae; Lamiaceae; Resupinate dimorphy; Style position.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000100102