Results 91 to 100 of about 5,915 (222)

New Thai Tetragonula. [PDF]

open access: yes, 2017
17 pages : illustrations (some color) ; 26 cm.A new species of stingless bee (Apinae: Meliponini) is described from workers and two males recovered from nests in tree trunks in Kanchanaburi Province, Thailand.
Boontop, Yuvarin.   +2 more
core  

Colony strength and queen replacement in Melipona marginata (Apidae: Meliponini) [PDF]

open access: yesBrazilian Journal of Biology, 2005
Physogastric queens of Melipona marginata were removed from their colonies in order to verify the acceptance of a new queen by workers. Colony strength was evaluated according to queen oviposition rate and comb diameters. Replacement was observed seven times.
openaire   +5 more sources

Microbial Evolution in Allodapine Bees: Perspectives From Trophallactic, Socially Plastic Pollinators

open access: yesEvolutionary Applications, Volume 18, Issue 7, July 2025.
ABSTRACT This review seeks a deeper functional understanding of wild bee microbiomes by focusing on a tribe of bees where natural history and behavioral ecology are well known but investigations of microbiology are just beginning. Opportunities to improve our future knowledge of pathogens to insect pollinators are explored—which have broad ...
Simon M. Tierney   +2 more
wiley   +1 more source

Ovary Activation in Virgin Queens of Plebeia lucii Moure (Hymenoptera: Meliponini)

open access: yesSociobiology
Stingless bees (Meliponini) are commonly used in meliponiculture and pollination. In colonies of Plebeia lucii Moure (Hymenoptera: Meliponini), a single queen undergoes changes in hormone profiles, as well as physiological, behavioral, transcriptional ...
Ana Paula Pereira Raimundo   +6 more
doaj   +1 more source

New record of the stingless bee Tetragonula gressitti from India (Hymenoptera: Apidae: Meliponini) [PDF]

open access: yes, 2013
Tetragonula gressitti (Sakagami, 1978), currently known from southern Vietnam, is here reported for the first time from dense forests in the state of Arunachal Pradesh, India.
Rasmussen, Claus   +2 more
core   +3 more sources

Abejas sin aguijón (Apidae: Meliponini) en Loreto, Perú [PDF]

open access: yes, 2019
Las abejas sin aguijón han jugado un papel importante en la subsistencia de los indígenas americanos, proveyéndoles miel, cera y polen; actualmente se están empezando a usar como polinizadores de cultivos. Sin embargo, recientemente estas abejas son motivo de preocupación ya que pueden ser sensibles a la alteración del hábitat, cambios que resultan en ...
Rasmussen, Claus; id_orcid 0000-0003-1529-6548   +1 more
openaire   +2 more sources

Oviposition behavior of Plutella xylostella onto cabbages covered with nets [PDF]

open access: yes, 2011
Plusieurs expérimentations de terrains menées en zone tropicale en Afrique et en Asie ont montré l'efficacité des filets anti-insectes pour protéger les cultures de choux contre les Lépidoptères en particulier Plutella xylostella.
Coffi, Hubert Kacou   +3 more
core  

Structural and ultrastructural characterization of male reproductive tracts and spermatozoa in fig wasps of the genus Pegoscapus (Hymenoptera, Chalcidoidea) [PDF]

open access: yes, 2008
The three Pegoscapus species present the same internal reproductive tract features comprising testes with a single testicular tubule, seminal vesicles, vasa deferentia, accessory glands and an ejaculatory duct.
Báo, Sônia Nair   +2 more
core   +1 more source

The Influence of the Loss of Brazilian Savanna Vegetation on the Occurrence of Nests of Stingless Bees (Apidae: Meliponini)

open access: yesSociobiology, 2014
The vegetation of the Cerrado, also known as the Brazilian savanna, is rapidly being replaced by agricultural and urban areas. The scope of this study was to evaluate the relationship between the reduction in savanna vegetation and the occurrence of ...
Fabiana Curtopassi Pioker-Hara   +2 more
doaj   +1 more source

A scientific note on the presence of functional tibia for pollen transportation in the robber bee Lestrimelitta limao Smith (Hymenoptera: Apidae: Meliponini)

open access: yesSociobiology, 2014
Stingless bees belonging to the Lestrimelitta genus shows a unique foraging ecology for the group. Instead of collecting food from flowers, these bees steal their food from other stingless bees’ hives.
Lucas Garcia von Zuben   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy