Results 81 to 90 of about 5,729 (219)

NEW CASES OF GYNANDROMORPHISM IN XYLOCOPA LATREILLE, 1802 (HYMENOPTERA: APIDAE)

Papéis Avulsos de Zoologia
Gynandromorphism is the most common case of sexual anomaly reported in bees and is characterized by individuals that show male and female traits simultaneously in the body.
PAULA CAETANO ZAMA, IGOR RISMO COELHO
doaj   +1 more source

Xylocopa caffra

, 2020
Xylocopa caffra (LINNÉ, 1767) Xylocopa caffra (LINNÉ, 1767): CANNAVIELLO 1900: 297 (tax., Adi Ugri). Xylocopa caffra LATREILLE (!): MAGRETTI 1906: 12 (Saganeiti). Xylocopa (Koptorthosoma (!)) caffra (LINNÉ, 1767): DUSMET Y ALONSO 1924: 18 (tax., Asmara). Xylocopa caffra (LINNÉ, 1767): EARDLEY 1987: 2 (cat. Afr. Reg.
openaire   +2 more sources

Large Carpenter Bees, Xylocopa spp. (Insecta: Hymenoptera: Apidae: Xylocopinae)

EDIS, 2002
This document is EENY-100, one of a series of the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date July 1999. Reviewed May 2003.
E. E. Grissell, Malcolm T. Sanford, Thomas R. Fasulo   +2 more
doaj   +1 more source

Ecologia da polinização do maracujá-amarelo, na região do Vale do Submédio São Francisco. [PDF]

, 2019
Este estudo descreve aspectos da biologia floral e sistema reprodutivo de Passiflora edulis f.flavicarpa (Passifloraceae), incluindo os padrões de forrageio e comportamento dos visitantes ...
FEITOZA, E. de A., KIILL, L. H. P., LEMOS, I. B., MARTINS, C. F., MONTEIRO, S. P., SIQUEIRA, K. M. M. de   +5 more
core  

Local and landscape effects on bee functional guilds in pigeon pea crops in Kenya [PDF]

, 2015
Pollinators face many challenges within agricultural systems due to landscape changes and intensification which can affect resource availability that can impact pollination services.
Gikungu, M. W., Mauchline, A. L., Otieno, M., Potts, S. G., Sidhu, C. S., Vogiatzakis, I. N., Wilby, A., Woodcock, B. A.   +7 more
core   +3 more sources

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

Biological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso, Renata Trevizan, Pietro K. Maruyama, Ana P. S. Caetano, Rogério V. Gonçalves, Yasmine Antonini, Paulo E. Oliveira   +6 more
wiley   +1 more source

Xylocopa violacea

, 2011
Xylocopa (s.str.) violacea (LINNAEUS 1758) D i s t r i b u t i o n: North Africa, Southern and Central Europe, Iran, Iraq, Turkey (WARNCKE 1982b), Cyprus, Syria (SCHEDL 2007), Turkey: Antalya, Bursa, Isparta, Hakkari, Niğde, İçel, Konya (WARNCKE 1982b).
openaire   +1 more source

Biomonitoramento de abelhas com Pan Traps em um sistema agroflorestal em Tomé-Açu, Pará. [PDF]

, 2011
A castanheira-do-brasil, Bertholletia excelsa Humb. (Lecythidaceae) é uma planta de importante interesse econômico na Amazônia que depende da polinização por abelhas nativas e vem sendo usada em sistemas agroflorestais (SAFs) no nordeste paraense há mais
MAUES, M. M., MOURA, T. do S. A. de, SANTOS, A. C. S. dos, SOUSA, J. T. A. de   +3 more
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Aspects determining the risk of pesticides to wild bees: risk profiles for focal crops on three continents. [PDF]

, 2012
In order to conduct a proper risk assessment of pesticides to bees, information is needed in three areas: (i) the toxicity of the pesticide; (ii) the probability of bee exposure to that pesticide; and (iii) the population dynamics of the bee species in ...
Blacquiere, Tjeerd, Carvalho, Stephan [UNESP], Freitas, Breno M., Gemmill-Herren, Barbara, Gikungu, Mary, Kasine, John M., Kinuthie, Wanja, Kipyab, Pamela, Koomen, Irene, Maina', Gladys, Martins, Dino, Mutiso, Martha, Ngaruiya', Paul, Nocelli, Roberta C. F., Odhiambo, Christopher, Oomen, P. A., Ribeiro, Marcia de F., Roessink, Ivo, Thompson, H., van der Steen, Jozef, van der Valk, Harold, Wassenbergu, Jacoba   +21 more
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NOTES ON THREE SPECIES OF XYLOCOPA [PDF]

The Canadian Entomologist, 1879
From Mr. L. Heiligbrodt I have received a specimen of X. purpurea, and it agrees in all respects with the female of micans. Accompanying this was a male, evidently of the same species.
openaire   +2 more sources