Results 31 to 40 of about 20,943 (236)

Análisis de la miel de abeja en Chile: un estudio de caso en el sector apícola *

open access: yesEntramado, 2022
La finalidad de este estudio consiste en analizar la miel de abeja en Chile para proponer lineamientos estratégicos que permitan contribuir a la gestión del sector apícola chileno.
Patricia Huerta-Riveros   +3 more
doaj   +1 more source

El código de barras de ADN confirma la distribución de Bombus magnus (Vogt, 1911) (Hymenoptera: Apidae) en la península Ibérica

open access: yesGraellsia, 2019
Bombus magnus (Vogt, 1911) (Hymenoptera: Apidae) es una de las tres especies crípticas pertenecientes al complejo lucorum junto con B. lucorum (Linnaeus, 1761) y B. cryptarum (Fabricius, 1775). En la península Ibérica solo se encuentran B.
Nuria Blasco-Lavilla   +2 more
doaj   +1 more source

Métodos Empíricos Aplicados à Análise Econômica do Direito [PDF]

open access: yesEm: YEUNG, Luciana L. (Org.). An\'alise Econ\^omica do Direito: Temas Contempor\^aneos. S\~ao Paulo: Actual, 2020, 2021
Nas \'ultimas d\'ecadas houve forte mudan\c{c}a no perfil das publica\c{c}\~oes em an\'alise econ\^omica do direito e nos m\'etodos emp\'iricos mais utilizados. Por\'em, nos pr\'oximos anos a mudan\c{c}a pode ser maior e mais r\'apida, exigindo adapta\c{c}\~ao dos pesquisadores da \'area.
arxiv  

Morphometry and number of spermatozoa in drone honeybees (Hymenoptera: Apidae) reared under different conditions

open access: yesEuropean Journal of Entomology, 2011
The effects of three factors operating during pre-emergence development period on some characteristics of drones were studied. Weight of newly emerged drones, length of forewing, length of tibia, length of femur, length and width of basitarsus and number
Adel M. MAZEED
doaj   +1 more source

Comparison of Pesticide Exposure in Honey Bees (Hymenoptera: Apidae) and Bumble Bees (Hymenoptera: Apidae): Implications for Risk Assessments

open access: yesEnvironmental Entomology, 2018
To date, regulatory pesticide risk assessments have relied on the honey bee (Apis mellifera L.) (Hymenoptera: Apidae) as a surrogate test species for estimating the risk of pesticide exposure to all bee species.
A. Gradish   +12 more
semanticscholar   +1 more source

Expression of heat-shock protein genes in Apis mellifera meda (Hymenoptera: Apidae) after exposure to monoterpenoids and infestation by Varroa destructor mites (Acari: Varroidae)

open access: yesEuropean Journal of Entomology, 2017
Heat shock proteins (hsps) protect proteins in eukaryotic cells from damage. Expression of hsps in insects subject to different environmental stimuli is poorly characterized.
Najmeh SAHEBZADEH, Wei Hong LAU
doaj   +1 more source

A survey of the bees (Hymenoptera: Apoidea) from Isfahan Province, Iran [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2019
In this survey, 154 bee species of Apoidea superfamily, from the western part of the Isfahan province, Iran were recorded, of which 29 species are new for the fauna of Iran.
Razieh Khodarahmi Ghahnavieh   +1 more
doaj  

Distribution and pollination services of wild bees and hoverflies along an altitudinal gradient in mountain hay meadows

open access: yesEcology and Evolution, 2021
Extensively managed and flower‐rich mountain hay meadows, hotspots of Europe's biodiversity, are subject to environmental and climatic gradients linked to altitude.
Kevin Baumann   +3 more
doaj   +1 more source

A key to the genera and subgenera of stingless bees in Indonesia (Hymenoptera: Apidae)

open access: yesTREUBIA, 2019
Indonesia harbors the greatest diversity of social bees in all of Asia, particularly of the stingless bees (Apidae: Apinae: Meliponini). Presently, 46 species of stingless bees are known across Indonesia although records are not comprehensive and ...
M. Engel, S. Kahono, D. Peggie
semanticscholar   +1 more source

Genetic variation in Turkish honeybees Apis mellifera anatoliaca, A. m. caucasica, A. m. meda (Hymenoptera: Apidae) inferred from RFLP analysis of three mtDNA regions (16S rDNA-COI-ND5)

open access: yesEuropean Journal of Entomology, 2012
In this study, the genetic structure of Turkish honey bee (Apis mellifera L.) populations, mainly obtained from the Central Anatolian region, were investigated at three different mitochondrial regions.
Fulya ÖZDIL   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy