Results 71 to 80 of about 18,157 (258)

Description of the previously unknown male of Systropha (Austrosystropha) macronasuta (Hymenoptera: Halictidae: Rophitinae) from Kenya [PDF]

open access: yes, 2017
We describe and illustrate for the first time the previously unknown male of Systropha (Austrosystropha) macronasuta Strand.  We provide a species diagnosis and modified couplets of the recent identification key to allow for easy identification of this ...
Bossert, Silas, Patiny, Sébastien
core   +2 more sources

Biodiversity response to local‐scale conservation interventions: A systematic review and meta‐analysis protocol

open access: yesEcological Solutions and Evidence, Volume 6, Issue 3, July–September 2025.
Local‐scale conservation interventions aim to mitigate biodiversity loss, but we lack consensus about their effectiveness. We present a protocol to systematically review the evidence and use meta‐analysis to assess these interventions' overall impact on biodiversity.
Alexa Varah   +2 more
wiley   +1 more source

Narrow flower specialization in two European bee species of the genus Colletes (Hymenoptera: Apoidea: Colletidae)

open access: yesEuropean Journal of Entomology, 2003
Colletes anchusae Noskiewicz, 1924 and C. wolfi Kuhlmann, 1999 (Colletidae) are closely related bee species with vicariant distributions, the former occurring in east and southeast Europe and Turkey, the latter restricted to the Italian peninsula ...
Andreas MÜLLER, Michael KUHLMANN
doaj   +1 more source

Acoustic monitoring of solitary bee activity at nesting boxes

open access: yesEcological Solutions and Evidence, Volume 6, Issue 3, July–September 2025.
A solitary bee (Osmia cornuta) exiting the nest box. The spectrogram shows a typical pattern for a flight buzzing sound. Abstract Monitoring of pollinator activity is of high interest in both agriculture and biodiversity and conservation studies. Passive acoustic monitoring has become increasingly popular because of its rather simple deployment and ...
David Susič   +3 more
wiley   +1 more source

Catálogo de los Megachilidae del Mediterráneo occidental (Hymenoptera, Apoidea). III. Anthidiini y Dioxyini

open access: yesGraellsia, 2008
El catálogo objeto de este trabajo es la tercera y última entrega de una serie de tres que los autores han realizado sobre la familia Megachilidae en el territorio comprendido corológicamente en el área mediterránea occidental, como base de la revisión ...
C. Ornosa   +2 more
doaj   +1 more source

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

Habitat characteristics and nest of the ladybird spider, Eresus kollari (Araneae: Eresidae) in South Korea

open access: yesEcosphere, Volume 16, Issue 7, July 2025.
Abstract Eresus kollari is typically found in dry grasslands and stony steppes; however, in South Korea, it has been primarily found in the humid environments of cemeteries. These spiders have highly localized habitats, and their burrowing and nest‐building habits make them difficult to find and observe in the field.
Jin Hyeok Choi   +3 more
wiley   +1 more source

A SUPPLEMENT TO THE REVISION OF EURYGLOSSINA (APOIDEA: COLLETIDAE) [PDF]

open access: yesAustralian Journal of Entomology, 1969
AbstractTwo species, Euryglossina haemodonta and E. aurantia are described as new. In addition, males of E. argocephala Exley are described for the first time.
openaire   +4 more sources

Evaluation of Bee Diversity within Different Sweet Cherry Orchards in the Sultandaği Reservoir (Turkey)

open access: yesJournal of Apicultural Science, 2015
Many varieties of sweet cherry are self-incompatible. Therefore, sweet cherry orchards require a huge population of pollinator bees to carry out an adequate amount of pollen transfer between the different varieties.
Güler Yasemin   +2 more
doaj   +1 more source

Sampling of flower-visiting insects: Poor correspondence between the catches of colour pan-trap and sweep netting

open access: yesEuropean Journal of Entomology, 2019
Pollinating insects are important and therefore, it is important to be able to assess and monitor changes in their abundance. Consequently, it is essential that the methods used to collect data have some level of precision and are accurate.
Hilda-Linn BERGLUND, Per MILBERG
doaj   +1 more source

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