Results 61 to 70 of about 848 (177)

Solitary oil‐collecting bee in cities: Habitat suitability and lack of population structuring in Centris analis

open access: yesInsect Conservation and Diversity, Volume 18, Issue 6, Page 982-996, November 2025.
Lack of genetic population structure in urban populations of Centris analis. Low morphological differentiation across four phytogeographical regions in Brazil. Monogyny‐monandry mating system in C. analis. Abstract The decline of insect populations worldwide has raised concerns about the negative impact on ecosystem services, particularly pollination ...
Leandro Pereira Rezende   +4 more
wiley   +1 more source

Análise polínica do resíduo pós-emergência de ninhos de Centris tarsata Smith (Hymenoptera: Apidae, Centridini) [PDF]

open access: yesNeotropical Entomology, 2009
Foi estabelecido um protocolo de tratamento para análise do resíduo polínico de ninhos de Centris tarsata Smith, obtidos através do uso de ninhos-armadilha. A área estudada localiza-se na Estação Biológica de Canudos, município de Canudos (09º56'34"S; 38º59'17"W), microrregião Nordeste da Bahia.
Dórea, Marcos da C   +3 more
openaire   +3 more sources

Sexual dimorphism and morphometric characterization of Centris tarsata Smith, 1874, Hymenoptera: Apidae in different environments

open access: yesActa Agronómica, 2018
Solitary bees Apidae: Centridini are important pollinators of Malpighia emarginata DC. Malpighiales: Malpighiaceae. However, there are few studies on the characterization of populations of this species in areas with orchards and their surroundings.
Adriane Vieira Souza   +4 more
doaj   +1 more source

Solitary bee Epicharis albofasciata. [PDF]

open access: yes, 2016
8 pages : illustrations (some color) ; 26 cm.This paper describes the extensive nesting site and the nesting behavior of a large population of the solitary, ground-nesting bee Epicharis (Epicharoides) albofasciata Smith, found in Trinidad in association ...
Rozen, Jerome G., Jr. (Jerome George), 1928-
core  

The Large Carpenter Bees (Xylocopa, Apidae) of the Neotropical Region: Phylogenetics, Classification and Biogeography

open access: yesZoologica Scripta, Volume 54, Issue 6, Page 884-896, November 2025.
ABSTRACT The large carpenter bees of the genus Xylocopa comprise almost 400 species distributed worldwide. Their large body and ability to build nests through woodworking make them one of the most remarkable groups of bees. In the Neotropics, they comprise over 100 species occurring in tropical and subtropical environments including islands in the ...
Gabriel A. R. Melo, Aline C. Martins
wiley   +1 more source

Polinizadores da aceroleira Malpighia emarginata DC (Malpighiaceae) em área de cerrado no Triângulo Mineiro

open access: yesBioscience Journal, 2007
A aceroleira (Malpighia emarginata DC, Malpighiaceae) é uma planta de importância econômica cultivada no Brasil, cujo fruto é muito consumido por seu alto teor de vitamina C.
Alice Maria Guimarães Fernandes Vilhena   +1 more
doaj  

Centris bicornuta and Epicharis albofasciata. [PDF]

open access: yes, 2017
20 pages : illustrations ; 26 cm.This paper presents detailed comparative descriptions of the mature larvae and eggs of Centris (Heterocentris) bicornuta Mocsáry and Epicharis (Epicharoides) albofasciata Smith as representatives of two genera that are ...
Rozen, Jerome G., Jr. (Jerome George), 1928-
core  

Exploitation of Floral Resources and Niche Overlap within an Oil-collecting Bee Guild (Hymenoptera, Apidae) in a Neotropical Savanna [PDF]

open access: yes, 2017
Oil bees exploit host plants for resources to feed the adults and offspring, as well as for the construction of their nests. The aim of the current study is to investigate how the species in this guild distribute their foraging effort, and the range in ...
Aguiar, Cândida Maria Lima   +3 more
core   +2 more sources

Host‐Cleptoparasite Biogeographical Congruence Through Time: The Case of Cuckoo Oil Bees

open access: yesJournal of Biogeography, Volume 52, Issue 5, May 2025.
ABSTRACT Aim Insect brood parasites (i.e., cleptoparasites), like cuckoo bees, typically attack hosts within specific lineages, but seem to be less constrained by the biogeographical movements of their hosts compared to obligate parasites. Cuckoo bees depend on stable host populations, being particularly sensitive to environmental changes and thus ...
Aline C. Martins   +6 more
wiley   +1 more source

Déficit de polinização da aceroleira no período seco no semiárido paraibano Pollination deficit of acerola orchards during the dry season in the semiarid region of northeastern Brazil

open access: yesRevista Brasileira de Fruticultura, 2011
A aceroleira é uma importante frutífera tropical que pode produzir frutos o ano todo na região semiárida do Nordeste do Brasil, caso seja utilizada a irrigação.
Rozileudo da Silva Guedes   +3 more
doaj  

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