Results 21 to 30 of about 1,457 (180)

Morfologia externa de Melipona (Melipona) marginata Lepeletier (Hymenoptera, Apoidea)

open access: yesPapéis Avulsos de Zoologia, 1967
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Camargo, Joao M. F.   +2 more
openaire   +1 more source

Comparative cytogenetics in three Melipona species (Hymenoptera: Apidae) with two divergent heterochromatic patterns

open access: yesGenetics and Molecular Biology, 2018
The genus Melipona is subdivided into four subgenera based on morphological characteristics, and two groups based on cytogenetic patterns. The cytogenetic information on this genus is still scarce, therefore, the goal of this study was to characterize ...
Marina Souza da Cunha   +7 more
doaj   +1 more source

Cytogenetic analysis of the Amazon stingless bee Melipona seminigra merrillae reveals different chromosome number for the genus

open access: yesScientia Agricola, 2011
Cytogenetic analysis of the Amazon stingless bee Melipona seminigra merrillae, by conventional Giemsa staining and C-banding, revealed a different chromosome number for Melipona: 2n = 22 for females and diploid drones while the haploid drones present n =
Izaura Bezerra Francini   +3 more
doaj   +1 more source

Valor nutricional do mel e pólen de abelhas sem ferrão da região Amazônica Nutricional value of honey and pollen of stingerless bees of the Amazonian region

open access: yesActa Amazonica, 2004
Avaliou-se os constituintes nutricionais de amostras do mel e pólen das espécies Melipona seminigra merrillae (jandaíra), Melipona compressipes manaosensis (jupará), Melipona rufiventris paraensis (uruçu boca de ralo), provenientes do meliponário da ...
Rosa Cristina da Silva Souza   +3 more
doaj   +1 more source

DNA barcoding reveals long-term speciation processes in subspecies of the Melipona (Michmelia) seminigra complex (Hymenoptera: Apidae)

open access: yesEuropean Journal of Entomology, 2022
The stingless bee Melipona (Michmelia) seminigra Friese is a polytypic species widely distributed in Brazilian Amazon and Bolivia. Seven subspecies are recognized, four are described, which inhabit mutually exclusive areas in the Amazon basin, although ...
Izaura Bezerra FRANCINI   +6 more
doaj   +1 more source

Physicochemical parameters of Amazon Melipona honey [PDF]

open access: yesQuímica Nova, 2007
Stingless bees produce a honey that is different from the Apis honey in terms of composition. There aren't enough data to establish quality control parameters for this product, mainly due to lack of research results. The aim of this work is to evaluate some physicochemical parameters that can be used for the characterization and for the quality control
Almeida-Muradian, Ligia Bicudo de   +2 more
openaire   +4 more sources

Differentially displayed expressed sequence tags in Melipona scutellaris (Hymenoptera, Apidae, Meliponini) development

open access: yesAnais da Academia Brasileira de Ciências, 2006
We have compared gene expression, using the Differential Display Reverse Transcriptase - Polymerase Chain Reaction (DDRT-PCR) technique, by means of mRNA profile in Melipona scutellaris during ontogenetic postembryonic development, in adult worker, and ...
Flávia A. Santana   +6 more
doaj   +1 more source

L'activité de butinage des Apoides sauvages (Hymenoptera Apoidea) sur les fleurs de maïs à Yaounde (Cameroon) et réflexions sur la pollinisation des graminées tropicales [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2002
The gatering activity of wild bees (Hymenoptera Apoidea) on flowers of maize at Yaound (Cameroon) and further considerations on pollination of the tropical Gramineae.
Tchuenguem-Fohouo F.N.   +2 more
doaj  

Karyotypic description and repetitive DNA chromosome mapping of Melipona interrupta Latreille, 1811 (Hymenoptera: Meliponini)

open access: yesCaryologia, 2019
Heterochromatic patterns in the genus Melipona vary among subgenera species. Melikerria is the only subgenus that presents species with different content of heterochromatin.
Natália Martins Travenzoli   +4 more
doaj   +1 more source

Características Morfológicas e Bioquímicas do pólen coletado por cinco espécies de Meliponíneos da Amazônia Central [PDF]

open access: yesActa Amazonica, 2002
Durante um ano, o pólen transportado por Melipona compressipes manaosensis, Melipona seminigra merrillae, Melipona seminigra seminigra, Frieseomelitta sp. e Scaptotrigona sp. foi coletado diretamente das corbículas das operárias.
Antonio Carlos MARQUES-SOUZA   +4 more
doaj   +1 more source

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