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Wild bees (Hymenoptera: Apoidea) in urban ecosystem: Preliminary survey in the city of Bogotá and its surroundings
The high altitude flat area of Bogota is located at 2600 m elevation and has temperatures that oscillate between -5 and 25 oC (average 14oC). Based on archives, field notes, bibliographic review and… Expand
Abejas silvestres (Hymenoptera: Apoidea) en ecosistemas urbanos: Estudio en la ciudad de Bogotá y sus alrededores Wild bees (Hymenoptera: Apoidea) in urban ecosystem: Preliminary survey in the city…
Palabras clave: Andes. Colombia. Inventario. Diversidad. Recursos florales. Abstract. The high altitude flat area of Bogota is located at 2600 m elevation and has temperatures that oscillate between… Expand
Arsenic speciation in manufactured seafood products.
The literature on the speciation of arsenic (As) in seafoods was critically reviewed. Most research has been directed toward fresh seafood products with few papers dealing with As speciation in… Expand
Two new species of Centris (Aphemisia) Ayala, 2002 from Colombia with a synopsis of the subgenus for the country (Hymenoptera: Apidae: Centridini).
A synopsis of the species of Centris subgenus Aphemisia Ayala in Colombia is presented. A total of six species were recognized: C. lilacina Cockerell, C. mocsaryi Friese, C. plumipes Smith and C.… Expand
Nesting biology and potential distribution of an oil-collecting Centridine Bee from South America
Despite their relevance for the maintenance of terrestrial ecosystems, important aspects such as the biology and distribution range remain unknown for most species of bees that occur in the… Expand
A dense daytime aggregation of solitary bees lHymenopterac Apidaec Centridinir in the Lesser Antilles
—A dense daytime aggregation of thousands of bees was present on at least six successive days on a large Caesalpinia bonduc (Caesalpiniaceae) shrub on the island of Anguilla, Lesser Antilles. A… Expand
OBSERVACIONES SOBRE LA ESTRATIFICACIÓN VERTICAL DE ABEJAS EUGLOSINAS (APIDAE: EUGLOSSINI) EN UN BOSQUE RIPARIO DE LA ORINOQUÍA COLOMBIANA Observations on the vertical stratification of orchid bees…
Observations on the vertical distribution of the Orchid bees were made in a riparian forest associated with the system of Mata-Mata lagoons (Meta-Colombia). We evaluated the understory (1.8 m), the… Expand
OBSERVACIONES SOBRE LA ESTRATIFICACIÓN VERTICAL DE ABEJAS EUGLOSINAS (APIDAE: EUGLOSSINI) EN UN BOSQUE RIPARIO DE LA ORINOQUÍA COLOMBIANA
Se realizaron observaciones sobre la distribucion vertical de abejas euglosinas en un bosque ripario asociado al sistema de lagunas Mata-Mata (Meta-Colombia). Los estratos evaluados fueron:… Expand
A new species of Centris (Xanthemisia) Moure, 1945 from South America with a synopsis of the known species of the subgenus in Colombia (Hymenoptera: Apidae: Centridini).
A synopsis of the species of Centris subgenus Xanthemisia Moure in Colombia is presented. The species identified are Centris ferruginea Lepeletier, C. lutea Friese and C. aureiventris, a new species… Expand
A new South American species of Centris ( Heterocentris ) Cockerell, 1899 with a key to the species with horn-like projections on the clypeus (Hymenoptera: Apidae: Centridini)
The genus Centris Fabricius, 1804 is one of the more diverse lineages of solitary bees in the Neotropical Region with more than250 described species. Here Centris ceratops new species is described… Expand