Results 101 to 110 of about 2,514 (208)

Géneros de Hymenoptera asociados al cultivo de maíz (Zea mays) durante la etapa de floración

open access: yesAIA Avances en Investigación Agropecuaria
Introducción. Hymenoptera juega un papel fundamental en los procesos ecológicos en el cultivo del maíz. El polen del maíz es usado por una amplia diversidad de himenópteros como fuente de proteína.
Selmy Adriana Ayala-Tzab   +4 more
doaj   +1 more source

Habitat-Dependency of Transect Walk and Pan Trap Methods for Bee Sampling in Farmlands

open access: yesJournal of Apicultural Science, 2019
Bees are the most important group of flower visitors providing an essential ecosystem service, namely pollination. Due to the worldwide decline of bees, there should be standardized sampling methods in place to ensure consistent and comparable results ...
Templ Barbara   +6 more
doaj   +1 more source

Las abejas de Porce familia colletidae (hymenoptera: apoidea) notas y claves para los géneros presentes en la zona de influencia del embalse Porce ii.

open access: yesRevista Facultad Nacional de Agronomía Medellín, 1999
Se presentan claves taxonómicas a nivel de género para la identificación de las abejas colletidas de la zona de Influencia del Embalse Porce II (Porce, Antioquía, Colombia S.A).
Smith Pardo Allan H.
doaj  

Pan Trapping and Malaise Trapping: A Comparison of Bee Collection Techniques in Subalpine Meadows

open access: yesDiversity
Public lands, managed for multiple uses such as logging, mining, grazing, and recreation, also support vital environmental services like wild bee pollination. A trending decline in wild bees has heightened interest in documenting these key pollinators in
Nicholas Anderson   +6 more
doaj   +1 more source

Lincoln University entomological expedition to Pitt Island [PDF]

open access: yes, 1991
The expedition had two objectives: 1. To search for the Pitt Island longhorn beetle, Xylotoles costatus and determine its distribution, abundance and conservation status. 2.
Barratt, B. I. P.   +3 more
core  

Przestrzenne i czasowe zróżnicowanie Apoidea w lasach Wielkopolskiego Parku Narodowego [PDF]

open access: yes, 1994
Results of the investigations of spatial and temporal differentiations of Apoidea in the forests of Wielkopolski National Park were presented. It was shown that the both forest floor differ with the degree of species differentiation and domination’s ...
Banaszak, Józef, Cierzniak, Tomasz
core  

Distribució i grau d’invasió de la formiga argentina (Linepithema humile Mayr) (Hymenoptera: Formicidae) al Parc Natural de s’Albufera des Grau, Menorca (Illes Balears) [PDF]

open access: yes, 2012
The Argentine ant is an exotic invasive species present in all the Mediterranean and subtropical ecosystems of the world. It is closely associated to urban and human-disturbed areas, even though it can also invade natural areas causing a strong negative ...
Abril, Silvia, Gómez, Crisanto
core  

Minutes for fiscal Year 2015 [PDF]

open access: yes, 2016
The following are brief synopses of the minutes of the meetings of the Hawaiian Entomological Society for the fiscal year 2015. The HES fiscal year runs from March 1 to the end of February of the following year.
Matsunaga, Janis N.
core  

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