Results 171 to 180 of about 2,078,028 (208)

Tachinidae (Diptera) as Floral Visitors and Pollinators in Natural and Managed Systems

Entomologia Experimentalis et Applicata, EarlyView.
We review the roles of bristle flies (Tachinidae) as pollinators in natural and managed systems. We find that most tachinid genera visit flowers and that floral‐adapted mouthparts have evolved repeatedly many times in the family. We review patterns of floral specificity and assess the efficacy of tachinids as pollinators with case studies.
John O. Stireman III, Pierfilippo Cerretti   +1 more
wiley   +1 more source

Dose-dependent efficacy of a novel dsRNA-based solution containing vadescana for Varroa destructor control. [PDF]

Pest Manag Sci
Price BE, Kuesel R, Reams T, Manley B, Masucci J, Hopkins BK.   +5 more
europepmc   +1 more source

Forest edges buffer effects of agricultural management on bee–plant interaction networks

Ecological Entomology, EarlyView.
Agricultural management effects: Organic and conventional crop margins host similar bee and plant species, but network structure differs: organic farms exhibit higher interaction diversity, conventional farms higher connectance. Role of forest edges: Native forest edges stabilize bee–plant networks by providing continuous floral resources and suitable ...
Samantha Marx de Castro, Cauê Nagatani, Vania Nobuko Yoshikawa, Franciny Yuko Urushima, Kelli dos Santos Ramos, Guaraci Duran Cordeiro, Maria Santina de Castro Morini   +6 more
wiley   +1 more source

Discovery of natural product-derived pesticide candidates: synthesis, aphicidal activity, and toxicological evaluation of andrographolide derivatives. [PDF]

Pest Manag Sci
Zhang W, Song XX, Zhang WH, Zhou XR, Yuan W, Zhang J, Kong WB, Liang JY, Wu F.   +8 more
europepmc   +1 more source

Influence of elevation, climate, snowmelt and floral abundance on body size of solitary bees

Ecological Entomology, EarlyView.
We measured body size in bee species from a 10‐year specimen collection from Colorado sub‐alpine meadows (2450–3450 m) and tested effects of elevation and annual snowmelt, climate and floral abundance. 2 out of 4 bee species collected across a broad elevation range showed a decline in body size with higher elevations; the other two showed no effect ...
Lachlan C. Jones, Melanie R. Kazenel, Kristin Conrad, Jane E. Ogilvie, Ian K. Breckheimer, Rebecca E. Irwin   +5 more
wiley   +1 more source

Pathogen and Hemocyte Dynamics in Three Apiaries Across a Bee Season. [PDF]

Transbound Emerg Dis
Van Herzele C, Coppens S, Theuns S, De Smet L, Van Cleemput J, de Graaf DC, Nauwynck H.   +6 more
europepmc   +1 more source

Honeybees directly outcompete other flower visitors through interference competition on shared resource

Ecological Entomology, EarlyView.
The outcomes of encounters between honeybees and other flower visitors were observed on two plant species. Pollinators either win, lose or share a resource. Competitive interactions led to greater than expected ‘wins’ for honeybees. The honeybee displaced or gave chase when interacting with another pollinator in at least 20% of winning outcomes ...
Victoria A. Buckle, Peter M. J. Brown, Toby Carter, Thomas C. Ings   +3 more
wiley   +1 more source

Varroa and Colony Losses: Practical Advice for Hobbyist Beekeepers. [PDF]

Insects
Stahlmann-Brown P, Brown K, Hall R, Lindsay F, Pragert H, Taylor M.   +5 more
europepmc   +1 more source

Canopy position and tree size structure the distribution of honeydew‐producing scale insects (Hemiptera: Coccoidea) in a temperate hardwood forest

Ecological Entomology, EarlyView.
Scale insect abundance peaked in the upper canopy of sugar maples. Parthenolecanium peaked on older internodes; Lepidosaphes on the current leader. Internodes longer than the previous carried more scales; wider ones fewer. Abstract Forest canopies are vertically stratified habitats in which microclimate and host tissue quality vary with height.
Susan M. Frye, Sandy M. Smith, Sean C. Thomas   +2 more
wiley   +1 more source

From Hive Sensors to Environmental DNA: Toward a Systems Biology Framework for Honeybee-Based Early Warning of Colony and Ecosystem Health. [PDF]

Insects
Ahsan Z, Haouala F, Rejili M.
europepmc   +1 more source