Results 91 to 100 of about 298 (163)

Variación de la comunidad de abejas de las orquídeas (Hymenoptera: Apidae) en tres ambientes perturbados del piedemonte llanero colombiano

Revista de Biología Tropical, 2007
Las abejas de las orquídeas subsisten en vastas áreas de bosque tropicales gracias a que mantienen estrechas relaciones con tipos de vegetación particular en diversos micro-hábitats.
Alejandro Parra-H, Guiomar Nates-Parra
doaj  

Genetics of Euglossini bees (Hymenoptera) in fragments of the Atlantic Forest in the region of Viçosa, MG

Brazilian Journal of Biology
With uncontrolled deforestation, forest fragments remain, which in most cases are in different stages of regeneration and present isolated populations. In the present study we analyzed the genetic patterns of Eulaema nigrita populations in seven Atlantic
A. M. Waldschmidt, L. A. Lopes, P. Marco Jr., L. A. O. Campos   +3 more
doaj   +1 more source

Low heat tolerance and high desiccation resistance in nocturnal bees and the implications for nocturnal pollination under climate change. [PDF]

Sci Rep, 2023
Gonzalez VH, Manweiler R, Smith AR, Oyen K, Cardona D, Wcislo WT.   +5 more
europepmc   +1 more source

The orchid-bee fauna (Hymenoptera: Apidae) of ‘RPPN Feliciano Miguel Abdala’ revisited: relevant changes in community composition

Brazilian Journal of Biology
The orchid-bee fauna of ‘Reserva Particular do Patrimônio Natural Feliciano Miguel Abdala’, a 957-ha preserve of Atlantic Forest in eastern Minas Gerais, southeastern Brazil, was surveyed 12 years after the first inventory in the area.
A. Nemésio, IRC. Paula
doaj   +1 more source

Heteromorphic stamens are differentially attractive in Swartzia (Fabaceae). [PDF]

AoB Plants, 2022
Basso-Alves JP, da Silva RF, Coimbra G, Leitão SG, de Rezende CM, Bizzo HR, Freitas L, Paulino JV, Mansano VF.   +8 more
europepmc   +1 more source

Eufriesea nigrescens y E. Pretiosa (Hymenoptera: Apidae: Euglossini): un caso de oportunismo o simbiosis?

Caldasia, 2000
Una colonia mixta se forma cuando un nido es ocupado por más de una especie (Michener 1974). En Bombus, este tipo de colonias son muy comunes de manera natural; la reina de una especie invade el nido de otra, mata a la reina hospedera y pone sus propias ...
González B. Victor Hugo, Ospina Torres Rodulfo   +1 more
doaj  

Reproductive ecology of two pioneer legumes in a coastal plain degraded by sand mining

Hoehnea
The present study evaluates and compares the phenology, pollination biology and breeding systems of Chamaecrista desvauxii (Collad.) Killip.and Clitoria laurifolia Poir.
Adriana de Oliveira Fidalgo, Débora Marcouizos Guimarães, Gabriela Toledo Caldiron, José Marcos Barbosa   +3 more
doaj   +1 more source

Coryanthes macrantha (Orchidaceae: Stanhopeinae) and their floral and extrafloral secretory structures: an anatomical and phytochemical approach. [PDF]

AoB Plants, 2022
Casique JV, Soares MVB, da Silva EF, Kikuchi TY, Andrade EHA, Mastroberti AA.   +5 more
europepmc   +1 more source

Diversidade de Euglossini (Hymenoptera: Apidae) em áreas de Cerrado do Triângulo Mineiro, MG.

Bioscience Journal, 2007
Os Euglossini são abelhas típicas de matas tropicais úmidas, mas poucos estudos têm sido feitos estimando parâmetros ecológicos desse grupo em outras fitofisionomias.
Paulo Emílio Ferreira e Alvarenga, Rafael Fosca Freitas, Solange Cristina Augusto   +2 more
doaj  

Edible Fruit Plant Species in the Amazon Forest Rely Mostly on Bees and Beetles as Pollinators. [PDF]

J Econ Entomol, 2021
Paz FS, Pinto CE, de Brito RM, Imperatriz-Fonseca VL, Giannini TC.   +4 more
europepmc   +1 more source