Results 41 to 50 of about 137 (123)
Polyploidization is common among angiosperms and might induce typically allogamous plants to become autogamous (self-compatible, relying on sexual self-fertilization) or apomictic (achieving asexual reproduction through seeds).
Mariana Ferreira Alves +3 more
doaj +1 more source
O objetivo deste trabalho foi identificar comportamentos de deposição de óleo realizados pelas fêmeas da abelha solitária Centris analis (Fabricius), parasitadas por Physocephala spp.
Ricardo Marques Couto, Evandro Camillo
doaj +3 more sources
Pollination biology of melittophilous legume tree species in the Atlantic Forest in Southeast Brazil
This study describes the floral phenology and morphology, reproductive biology and pollinators for eight legume tree species, Schizolobium parahyba, Senna macranthera, and Senna multijuga (Caesalpinioideae), as well as Andira fraxinifolia, Lonchocarpus ...
Mardiore Pinheiro +2 more
doaj +1 more source
Fêmeas de Centris vittata Lepeletier foram observadas visitando flores de Byrsonima sp. e nidificando em troncos de Astronium sp. (Anacardiaceae) em uma área de Mata Mesofítica, em Urbano Santos (3º 12' 28''S; 43º24'12''), Maranhão, Brasil.Females of ...
Marina da Costa Ramos +2 more
doaj +1 more source
In this paper, the species of Centris of the “hyptidis group” are revisited, proposing to recognize them as members of Anisoctenodes subgen. nov., a new subgenus supported by morphological and molecular data. The species included in this new taxon are C.
Felipe Vivallo
doaj +1 more source
Mesonychium asteria (Smith) is a cleptoparasitic bee with occurrence restricted to South America. In this study, we provide new information related to the host association and cleptoparasitic behavior of this species in nests of Centris xanthomelaena ...
Herbeson Ovidio de Jesus Martins +2 more
doaj +1 more source
First Record of Female Philopatry in the Tribe Centridini (Hymenoptera: Apidae)
This study addresses the behavior and ecology of the solitary bee Centris aenea. The objective was to verify the philopatry of this bee’s females. The study was carried out in a nest aggregation in the Restinga area in Coroa Vermelha, Santa Cruz de ...
Dinah Halos Mota Monteiro +2 more
doaj +1 more source
Centris (Ptilotopus) auriceps sp. nov. and C. (Ptilotopus) neglecta sp. nov. from South America are described and illustrated. The description of the first species is based on a single male specimen collected in Pará state, northern Brazil, while the ...
Felipe Vivallo
doaj
A total of 67 nests of Centris tarsata were obtained from wood trap-nests of different diameters, consisting of a linear series of brood cells built with sand mixed with oil.
M. L. T. Buschini, L. L. Wolff
doaj +1 more source
Here we provide descriptions of gynandromorphs of two species oil-collecting bees: Lophopedia nigrispinis and Epicharis iheringii, both with partial bilateral phenotypic asymmetry.
Leopoldo Jesús Alvarez +3 more
doaj +1 more source

