Results 11 to 20 of about 1,746,817 (236)
The first cases of gynandromorphism in oil-collecting bees (Hymenoptera, Apidae: Centridini, Tapinotaspidini) [PDF]
Papéis Avulsos de Zoologia, 2019 Here we provide descriptions of gynandromorphs of two species oil-collecting bees: Lophopedia nigrispinis and Epicharis iheringii, both with partial bilateral phenotypic asymmetry.
Leopoldo Jesús Alvarez +3 more
doaj +2 more sources
Revision of the South African endemic bee genus Redivivoides Michener, 1981 (Hymenoptera: Apoidea: Melittidae) [PDF]
, 2012 The South African endemic bee genus Redivivoides Michener, 1981 is revised and redefined. The genus comprises seven species, six of which are described here as new: Redivivoides capensis sp. nov. ♀♂, R. eardleyi sp. nov. ♀, R. kamieskroonensis sp. nov. ♀,
Michael Kuhlmann +3 more
core +1 more source
Sociobiology, 2017 The knowledge on plant species used for the collection of floral resources is crucial to understanding interactions between plants and bees. The aim of the present study was to identify floral resources used by Centris analis and Centris terminata to ...
Reinanda Lima +6 more
doaj +1 more source
Revista Ciência Agronômica, 2019 Pollination is a key factor in global agricultural production, and there is a need to increase the number of bee species that can be bred for pollination in agriculture, such as the oil-collecting solitary bee Centris (Heterocentris) analis (Fabricius ...
Diego de Vasconcelos Lourenço +3 more
doaj +1 more source
Anales del Jardín Botánico de Madrid, 2014 The genus Zygostates Lindl. (Orchidaceae) comprises about 20 species of small Neotropical epiphytic plants, represented in its southernmost limit by the species Z. alleniana.
Natalia E. Gómiz +2 more
doaj +1 more source
Angewandte Chemie, EarlyView.A programmed assembly strategy based on secondary connectivity integration allows modulating the B←N framework (BNF) microenvironment. Beyond possessing improved stability, the resulting BNFs achieve highly selective adsorption of o‐xylene from all C8 aromatics.
Xiang‐Shuai Li +9 more
wiley +2 more sources
Three new species of Diascia (Scrophulariaceae) from the Western Cape, South Africa
Bothalia: African Biodiversity & Conservation, 2009 Three new annual species of Diascia Link & Otto are described from the Western Cape Province of South Africa. D. collina is characterized by greyish magenta flowers with two divergent yellow sacs containing oil-secreting trichomes.
K. E. Steiner
doaj +1 more source
Calming height requirements for oil shale particles
, 2022 Technical memorandum no. 67-34.The primary object of the Anvil Points Oil Shale Research Center Technical memorandum is to advise authorized personnel employed by the Participating Parties (1) that various activities are in progress or that certain ...
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Basic flow characteristics of raw and spent oil shale
, 2022 Technical memorandum no. 65-4.Includes charts, technical drawings.These technical memoranda pertain to work performed at Anvil Points.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 ...
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Index to Anvil Points Oil Shale Research Center files
, 2022 Technical memorandum no. 67-41.These technical memoranda pertain to work performed at Anvil Points.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated during 1965, 1966 ...
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