Results 41 to 50 of about 4,449 (200)

Distribution and abundance of aphidophagous hoverflies (Diptera: Syrphidae) in wildflower patches and field margin habitats

open access: yes, 2001
1 The spatial and temporal variations in aphidophagous syrphid abundance were recorded over two seasons in wildflower resource patches sown in a winter barley crop and associated field margins.
Matthew S. Sullivan   +5 more
core   +1 more source

Hoverfly fauna (diptera: syrphidae) of the eastern part of Serbia [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke
One of the largest families of the order Diptera - hoverflies, are at the same time one of the most prominent insect groups, being recognized as the second most important pollinator group, bioindicator species, as well as potential biocontrol ...
Janković-Milosavljević Marina A.   +5 more
doaj   +1 more source

How do insects pollinate flowers? Behaviour during visitation determines high pollination efficiency by a generalist insect

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecosystem services provide essential benefits to human survival and well‐being. Animal behaviour is central to the delivery of many ecosystem services, yet we know little about how behaviour drives services' provision.
Martha Fox   +2 more
wiley   +1 more source

Efficiency of two methods of sampling used to assess the abundance and species diversity of adult Syrphidae (Diptera) in mountainous meadows in the Austrian and Swiss Alps

open access: yesEuropean Journal of Entomology, 2018
The outcome of assessments of the biodiversity of a taxonomic group often depend on the sampling method. The choice of an adequate method is especially important for biomonitoring purposes.
Raja I. HUSSAIN   +5 more
doaj   +1 more source

Filling gaps in flower fly distributions: first record of Aneriophora aureorufa (Philippi, 1865) (Diptera, Syrphidae) from Argentina [PDF]

open access: yesCheck List, 2019
The genus Aneriophora Stuardo & Cortés 1952, previously considered endemic to Chile, is recorded for the first time from Argentina.
Guillermo López-García   +4 more
doaj   +3 more sources

Foraging energetics reveals late‐summer challenges for pollinators across two British cities

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Foraging bees often work within fine energetic margins, but recent work has shown that foraging conditions can vary markedly across the year. Despite the importance of seasonality for pollinator foraging, most work in this area has relied on indirect approaches. However,
Ciaran Harris   +2 more
wiley   +1 more source

Environmental analysis of conservationally significant Eumerus and Platycheirus species (Diptera: Syrphidae) in Serbia [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2018
Due to raising environmental pressures, the number of species exposed to risk of extinction is also increasing. One of the first steps in species preservation is their legal protection. However, it is impossible to protect all species, therefore,
Janković Marina A.   +6 more
doaj   +1 more source

Pollinator community composition and pollen resource use in calcareous grasslands under different landscape contexts across Europe

open access: yesJournal of Animal Ecology, EarlyView.
In this paper, we show that pronounced differences in pollinator communities exist between grasslands embedded in contrasting agricultural landscape contexts. Opportunistic foraging strategies of most pollinators resulted in large interaction turnover, but these shifts did not translate into major changes in overall network structure, most likely as a ...
Olivia Bernhardsson   +17 more
wiley   +1 more source

Models of the potential distribution and habitat preferences of the genus Pipiza (Syrphidae: Diptera) on the Balkan peninsula [PDF]

open access: yesArchives of Biological Sciences, 2013
Seven species of the genus Pipiza, collected throughout the southern and western Balkans, were used for the analysis of habitat preferences and potential geographical distribution on the Balkan Peninsula.
Nikolić Tijana   +7 more
doaj   +1 more source

Ant–aphid mutualism: the influence of Tapinoma ibericum (Hymenoptera: Formicidae) on Aphis gossypii (Hemiptera: Aphidae) control by commercial and spontaneous natural enemies

open access: yesInsect Science, EarlyView.
The mutualism between Tapinoma ibericum ants and Aphis gossypii disrupts the biological control exerted by Aphidius colemani in greenhouse peppers. Ant exclusion increased parasitism and the presence of most natural enemies, although Aphidoletes aphidimyza was more abundant with ants.
Jesús Foronda   +7 more
wiley   +1 more source

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