Results 111 to 120 of about 5,915 (222)
A New Alkenylphenol from the Propolis of Stingless Bee
A new alkenylphenol, 2-hydroxyl-6-(14' Z -nonadecenyl)benzoic acid (1), was isolated from the ethanolic extract of Vietnamese stingless bee propolis Trigona minor (Meliponini, Apidae), together with two known compounds (2 and 3).
Hai Xuan Nguyen +6 more
doaj +1 more source
Sistema automático de clasificación de abejas sin aguijón (Apidae: Meliponini) basado en el contorno y venación de sus alas [PDF]
Proyecto de Investigación. Código del proyecto: 5402-1701-0101El objetivo del proyecto, desarrollar un sistema automático de clasificación taxonómica de abejas sin aguijón nativas de Costa Rica, a partir del procesado digital de imágenes de sus alas, fue
Prendas-Rojas, Juan Pablo
core
Clethra scabra is a plant native to the Araucaria Forest of the Rio Grande do Sul State and provides food resources to flower visitors, however, it is threatened with extinction, and little is known about this interaction.
Sidia Witter +4 more
doaj +1 more source
Potencial produtivo de própolis com abelha sem ferrão Frieseomelitta varia. [PDF]
A própolis é um subproduto das abelhas, que consiste principalmente na mistura de resinas de origem vegetal, e que apresenta alto valor comercial. O uso de abelhas sem ferrão com potencial para a produção da própolis ainda é pouco explorado, devido à ...
CORDEIRO, H. K. C. +2 more
core
In the Yucatan Peninsula region, Mexico, meliponiculture or breeding of stingless bees has been practiced since pre-Hispanic times with a traditional production system (TPS), where bee colonies are housed in hollow logs called “hobone”.
Jesús F. Martínez-Puc +6 more
doaj +1 more source
Small Amazonian stingless bees: an opportunity for targeted cocoa pollination
Cocoa (Theobroma cacao) is a multi-billion-dollar business. This tropical crop strongly depends on animal pollination for fruit development and seed production.
Camila Maia-Silva +6 more
doaj +1 more source
Food profitability and recruitment behaviour in a scent trail laying stingless bee (Scaptotrigona aff. depilis) [PDF]
Innerhalb der sozialen Insekten haben viele Gruppen die faszinierende Fähigkeit entwickelt, Nestgenossinnen zu rekrutieren. Rekrutierung beruht auf einer Kommunikation, die angewandt wird, um Mitglieder des Nestes zu einem bestimmten Ort zu bringen, wo ...
Barth, Friedrich G. +2 more
core
During the period of March of 2000 to July of 2001, we monthly sensed new nests foundation of the Meliponini bees in an urban environment, Juiz de Fora, MG. The number of nests and substrata used for foundation was registered. The objective was to verify
Leonardo Almeida Sousa +3 more
doaj
Stingless bees (Hymenoptera: Apidae: Meliponini) of Colombia
-
openaire +1 more source
Abelhas nativas sem ferrão (Meliponini) e serviços de polinização em espécies florestais. [PDF]
bitstream/item/121211/1/Doc.-264-Schuhli ...
MACHADO, A. M. B., SCHUHLI, G. S. e
core

