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Abelhas e vespas solitárias em ninhos-armadilha na Reserva Biológica Guaribas (Mamanguape, Paraíba, Brasil)
The trap-nesting bees of Guaribas Biological Reserve were studied during one year. Three areas with different vegetation types were sampled, open savanas, closed forest, and a mosaic of these twoExpand
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A planar path following controller for underactuated marine vehicles
Inspired by the previous work of Aicardi et al.[1] a path following controller for underactuated planar vehicles is designed by adopting a polar-like kinematic model of the system. The solutionExpand
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Nesting Biologies and Immature Stages of the Tapinotaspidine Bee Genera Monoeca and Lanthanomelissa and of Their Osirine Cleptoparasites Protosiris and Parepeolus (Hymenoptera: Apidae: Apinae)
Abstract The nesting biologies of Monoeca haemorrhoidalis (Smith) and Lanthanomelissa betinae Urban (Tapinotaspidini) are described from southeastern Brazil. Both are ground nesting; the nests of theExpand
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Amazonian species within the Cerrado savanna: new records and potential distribution for Aglae caerulea (Apidae: Euglossini)
Given human-related changes, quality distributional data are required for consistent conservation. Still, the lack of proper biogeographic information is a major setback for many groups. Here, we useExpand
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Floral oil collection by male Tetrapedia bees (Hymenoptera: Apidae: Tetrapediini)
Several groups of solitary bees, known as oil-collecting bees, gather lipids from flowers that offer them as their main reward to pollinators. In the Neotropical region, oil-collecting bees belong toExpand
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Bi-directional WLAN channel measurements in different mobility scenarios
  • A. Aguiar, J. Klaue
  • Computer Science
  • IEEE 59th Vehicular Technology Conference. VTC…
  • 17 May 2004
TLDR
The interest in the behaviour of the wireless channel increases as WLAN access points become more widespread. Expand
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Revision and phylogeny of the bee genus Paratetrapedia Moure, with description of a new genus from the Andean Cordillera (Hymenoptera, Apidae, Tapinotaspidini)
The bee genus Paratetrapedia represents a commonly collected group of bees and is especially diverse in forested areas of the Neotropics. Its taxonomy has remained poorly understood because of a lackExpand
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A assembléia de abelhas (Hymenoptera, Apidae) de uma área restrita de campos naturais do Parque Estadual de Vila Velha, Paraná e comparações com áreas de campos e cerrado
A assembleia de abelhas (Hymenoptera, Apidae) de uma area restrita de campos naturais do Parque Estadual de Vila Velha, Parana e comparacoes com areas de campos e cerrado. Foram realizadas coletasExpand
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Krameria tomentosa oil flowers and their pollinators: Bees specialized on trichome elaiophores exploit its epithelial oil glands
a b s t r a c t Oil flowers are spread over eleven angiosperm families and exploited by bees specialized on oil gath- ering. This reward is produced by glandular surfaces of specific floral whorlsExpand
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Notes on oil sources for the bee genus Caenonomada(Hymenoptera, Apidae, Tapinotaspidini)
It is reported for the first time oil collecting by bees of the genus Caenonomada on flowers of Plantaginaceae. Females of Caenonomada unicalcarata were observed collecting oil on flowers ofExpand
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