Results 21 to 30 of about 20,747 (314)

Crop and landscape factors affecting variation in composition and behaviour of the pollinator community in field bean crops

open access: yesJournal of Pollination Ecology, 2023
The global decline in pollinators is likely to negatively affect the yield of insect pollinated crops such as field beans (Vicia faba). To understand the impact of such declines it is important to investigate how the abundance, composition and behaviour ...
Lucy Capstick   +3 more
doaj   +1 more source

The Impact of Willow Flowering Time on Species Composition and the Number of Apoidea Pollinators

open access: yesThe Journal of Bioscience and Medicine, 2021
Pollinators are important to wild and cultivated plants, and the same plants are important to pollinators as well. A very important source of pollen and nectar to pollinators are willows (Salix spp.).
Monika Konatowska   +2 more
semanticscholar   +1 more source

Contribution to the knowledge of the bee fauna (Hymenoptera, Apoidea, Anthophila) in Serbia

open access: yesZooKeys, 2021
The current work represents summarised data on the bee fauna in Serbia from previous publications, collections, and field data in the period from 1890 to 2020.
S. Mudri‐Stojnić   +4 more
semanticscholar   +1 more source

Twenty New Records of Bees (Hymenoptera, Apoidea) for Sardinia (Italy)

open access: yesInsects, 2021
Simple Summary Recently, several studies have highlighted the global decline of pollinators. This has increased concern for the long-term sustainability of plant biodiversity, food production, human nutrition, and human well-being.
V. Nobile   +8 more
semanticscholar   +1 more source

Catálogo de los Megachilidae del Mediterráneo occidental (Hymenoptera, Apoidea). II. Lithurgini y Megachilini

open access: yesGraellsia, 2007
El catálogo objeto de este trabajo es el segundo de una serie de tres relativa a la familia Megachilidae del territorio comprendido corológicamente en el área mediterránea occidental.
C. Ornosa   +2 more
doaj   +1 more source

First Records of the Adventive Pseudoanthidium nanum (Mocsáry) (Hymenoptera: Megachilidae) in Illinois and Minnesota, with Notes on its Identification and Taxonomy [PDF]

open access: yes, 2019
We report the first records of Pseudoanthidium nanum (Mocsáry) in Illinois and Minnesota in 2016 and 2018, respectively. This represents a relatively rapid expansion since P. nanum was first detected in New Jersey in 2008.
Arduser, Mike   +6 more
core   +2 more sources

Preliminary checklist of the bees of St. Eustatius, Lesser Antilles (Hymenoptera: Apoidea: Anthophila) [PDF]

open access: yes, 2013
We present a preliminary checklist of bees (Hymenoptera: Apoidea: Anthophila) compiled for St. Eustatius, an island located in the Lesser Antilles of the eastern Caribbean. The list has nine species, including six that have not been previously documented
Bush, Stephen P., Madden, Hannah
core   +4 more sources

Significance of Apoidea as Main Pollinators. Ecological and Economic Impact and Implications for Human Nutrition

open access: yesDiversity, 2020
Wild and managed bees provide pollination services to crops and wild plants, as well as a variety of other services beneficial to humans. Honey bees are the most economically valuable pollinator worldwide.
P. Hristov   +3 more
semanticscholar   +1 more source

\u3ci\u3eAnthidium Oblongatum\u3c/i\u3e (Apoidea: Megachilidae) Confirmed as a Michigan Resident, with Notes on Other Michigan \u3ci\u3eAnthidium\u3c/i\u3e Species [PDF]

open access: yes, 2018
The Palearctic wool-carder bee, Anthidium oblongatum (Illiger) is newly documented in Michigan, with vouchers from Kent, Washtenaw, and Wayne Counties.
Monsma, Jeremy   +2 more
core   +2 more sources

Apoidea (Hymenoptera) Kampinoskiego Parku Narodowego [PDF]

open access: yesFragmenta Faunistica, 1979
Puszcza Kampinoska, położona miedzy Wisłą a Bzurą, cechu je się kontrastowym zróżnicowaniem środowisk przyrodniczych: potężne wały wydmowe wznoszą się nad płaskimi, b agnist ymi łąkami, a suche b or y sosnowe graniczą z okresowo zalewanymi lasami olszowymi. Mim o iż Puszcza leży u bram Warszawy, dzięki niedostępności i trudny m warunk om dla osadnictwa,
Banaszak, Jozef, Plewka, Tadeusz
openaire   +2 more sources

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