Results 31 to 40 of about 1,220 (169)

The dual crisis: Climate change simultaneously drives pollinator decline and pest outbreaks

Agricultural and Forest Entomology, EarlyView.
Climate change acts as an asymmetric ecological filter, favouring r‐selected pest traits (rapid reproduction, generalism) while disadvantaging K‐selected pollinators. For every 1°C of warming, bee species richness declines ~25% since the 1990s, while pest‐induced crop losses increase by 10%–25%. A network‐centric approach integrating climate‐responsive
Diriba Fufa Serdo
wiley   +1 more source

Taxonomic and functional diversity of urban bees of the world

Conservation Biology, EarlyView.
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso, Pietro K. Maruyama, Ingrid N. Gomes, Lorena B. Valadão‐Mendes, Victor H. D. Silva, Larissa Lorraine, Jordana O. Borges, Rogério V. Gonçalves, Léo C. Rocha‐Filho, Renata Trevizan, Yasmine Antonini   +10 more
wiley   +1 more source

THE GENUS NOMIOIDES SCHENCK (HYMENOPTERA: HALICTIDAE) IN AUSTRALIA [PDF]

Australian Journal of Entomology, 1986
Abstract Nomioides perditellus Cockerell is confirmed as the only species of the genus of bees in Australia.Distinctive morphological characters of both sexes are described and figured for the first time. Floral associations are listed and a distribution map is included. Some characters of the Tribe Nomioidini are discussed.
Yeates, D. K., Exley, E. M.
openaire   +3 more sources

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

Новые данные по фауне пчел (Hymenoptera: Apoidea) Амурской области

Амурский зоологический журнал, 2022
В работе приведены сведения о 46 видах пчел, ранее не указанных для Амурской области, а также кормовые растения, на которых они собраны. Виды принадлежат к 17 родам, 3 из них (Aglaoapis Cameron, 1901, Melitta Kirby, 1802 и Dasypoda Latreille, 1802 ...
Елена Валерьевна Игнатенко, Денис Николаевич Кочетков   +1 more
doaj   +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

Biology ofNomioides variegatus(Olivier) (Hymenoptera: Halictidae) [PDF]

Annales de la Société entomologique de France (N.S.), 2004
Abstract The nesting biology, life history and pollen foraging of the minute Nomioides variegatus (Olivier) is described and illustrated. All Nomioides biological studies are reviewed. Nesting and foraging were observed over two years in a sandy natural area in the Rhone River delta region of southern France.
Rust, R.W., Cambon, G., Vaissière, Bernard   +2 more
openaire   +2 more sources

Parapygmephorus delyorum (Acari: Heterostigmata: Neopygmephoridae), a species new to mite fauna of Iran [PDF]

نامه انجمن حشره‌شناسی ایران, 2011
در پی جمع‏آوری شماری از زنبورهای خانواده‌ی Halictidae در استان اصفهان، تعدادی کنه به صورت مسافر (Phoretic) روی این زنبورها مشاهده و به نام Parapygmephorus delyorum Mahunka, 1980 شناسایی شد. این کنه برای اولین‌بار از ایران گزارش می‏شود.
H. Rakhshani, H. Hajiqanbar
doaj  

Fragmented grasslands in different landscape structures provide different opportunities for cavity‐nesting Hymenoptera

Insect Conservation and Diversity, EarlyView.
Grassland fragmentation effects on cavity‐nesting Hymenoptera are habitat‐specific. Isolated sand steppe fragments are associated with higher brood‐cell abundance. In loess steppes, higher flower frequency increases bee brood‐cell production and parasitoid activity. Abstract The global decline in insects threatens ecosystem functioning, but the drivers
Edina Török, Róbert Gallé, Dávid Korányi, Zsolt Józan, Tamás Lakatos, Katalin Szitár, Péter Batáry   +6 more
wiley   +1 more source

CLASSIFICATION OF THE BEE TRIBE AUGOCHLORINI (HYMENOPTERA: HALICTIDAE) [PDF]

Bulletin of the American Museum of Natural History, 2000
ENGEL, MICHAEL S. (2000): Classification Of The Bee Tribe Augochlorini (Hymenoptera: Halictidae). Bulletin of the American Museum of Natural History 2000 (250): 1-89, DOI: 10.1206/0003-0090(2000)2502.0.CO;2, URL: http://www.bioone.org/perlserv/?request=get-abstract&doi=10.1206%2F0003-0090(2000)250%3C0001%3ACOTBTA%3E2.0.CO ...
openaire   +2 more sources