Results 61 to 70 of about 20,747 (314)

Wpływ barw pułapek Moerickego na liczebność i zróżnicowanie pozyskiwanych pszczół (Apoidea, Hymenoptera) [PDF]

open access: yes, 1994
In deciduous and pine forests the effect of white, yellow and Ыие Moericke traps on numbers and sped es diversity of Apoidea was assessed. It was proven that the most useful in forest are white traps.
Banaszak, Józef   +2 more
core  

Capalictus, a new subgenus of Lasioglossum Curtis, 1833 from South Africa, with description of three new species (Hymenoptera, Apoidea, Halictidae) [PDF]

open access: yes, 2012
Capalictus, a new subgenus of Lasioglossum Curtis, 1833 (Hymenoptera, Apoidea, Halictidae), endemic to the South African Cape Province, is described. The type species is Halictus mosselinus Cockerell, 1945. Evylaeus (Sellalictus) fynbosensis (Pauly et al.
Gibbs, Jason   +2 more
core   +3 more sources

Floral strips increase the abundance and spillover of beneficial insects in rotational crop fields

open access: yesAgricultural and Forest Entomology, EarlyView.
Abstract Insects provide many ecological functions that support agricultural production, but beneficial insect populations are often lower in areas of intensive agriculture. Agronomic practices that support beneficial insect populations are important for sustainable crop production.
Michael F. Killewald   +4 more
wiley   +1 more source

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  

Bees (Hymenoptera: Apoidea) of the Chicago Area: Diversity and Habitat Use in an Urbanized Landscape [PDF]

open access: yes, 2018
Bees (Hymenoptera: Apoidea) were collected at 24 sites chosen to represent the diversity of urban and natural habitats in the Chicago metropolitan area. Species richness was assessed for each site.
Molumby, Alan, Przybylowicz, Tomasz
core   +2 more sources

KUM ARILARI (Hymenoptera, Apoidea, Andrenidae) [PDF]

open access: yesUludağ Arıcılık Dergisi, 2017
Yaban arıları, çok sayıda yabani ve kültür bitkisinin tozlaşmasını sağlaması dolayısıyla ekolojik ve ekonomik öneme sahiptir. Bu nedenle bu canlılar için “temel taşı” türler terimi kullanılır. Andrena Fabricius, 1775 cinsi yaban arıları genel olarak kum arıları olarak bilinir.
openaire   +2 more sources

A systematic review and meta‐analysis on urban arthropod diversity

open access: yesInsect Conservation and Diversity, EarlyView.
Our results evidence that urbanization is associated with a lower mean diversity of arthropods. We also detected a higher variance of arthropod diversity in urban than in rural habitats. Reported data suggest that cities hold a great potential for arthropod conservation if adequate measures are implemented. Abstract Urbanization is rapidly expanding at
Olivia Sanllorente   +3 more
wiley   +1 more source

Three new species of Eupetersia Blüthgen, 1928 (Hymenoptera, Halictidae) from the Oriental Region [PDF]

open access: yes, 2012
Three new species, Eupetersia (Nesoeupetersia) singaporensis sp. nov., collected in a mangrove swamp in Singapore, and Eupetersia (Nesoeupetersia) sabahensis sp.
Pauly, Alain
core   +3 more sources

An updated checklist of the bees (Hymenoptera, Apoidea, Anthophila) of Pennsylvania, United States of America

open access: yes, 2020
Checklists provide information about the species found in a defined region and serve as baselines for detecting species range expansions, contractions, or introductions. Bees are a diverse and important group of insect pollinators.
S. K. Kilpatrick   +6 more
semanticscholar   +1 more source

The Buzz of Inconsistency: Pollinator Potential vs. Research Effort

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT Pollinator insects are essential for the functioning of terrestrial ecosystems and play a critical role in ensuring food security; thus, studies on this topic provide significant benefits for human society. Pollination involves diverse taxa that can vary depending on the specific environment.
Marco Bonelli   +6 more
wiley   +1 more source

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