Results 41 to 50 of about 6,839 (217)

Catálogo de los Megachilidae del Mediterráneo occidental (Hymenoptera, Apoidea). III. Anthidiini y Dioxyini

open access: yesGraellsia, 2008
El catálogo objeto de este trabajo es la tercera y última entrega de una serie de tres que los autores han realizado sobre la familia Megachilidae en el territorio comprendido corológicamente en el área mediterránea occidental, como base de la revisión ...
C. Ornosa   +2 more
doaj   +1 more source

A gynandromorph of Xylocopa augusti and an unusual record of X. iris from Brazil (Hymenoptera: Apidae: Xylocopini) [PDF]

open access: yes, 2015
We describe and illustrate for the first time a mixed gynandromorph of Xylocopa(Neoxylocopa) augusti Lepeletier de Saint Fargeau from Buenos Aires, Argentina. Also, we document and discuss a historical specimen of the Old World carpenter bee X. (Copoxyla)
Gonzalez, Victor H.   +2 more
core   +4 more sources

Bees (Hymenoptera: Apoidea) of the Chicago Area: Diversity and Habitat Use in an Urbanized Landscape [PDF]

open access: yes, 2018
Bees (Hymenoptera: Apoidea) were collected at 24 sites chosen to represent the diversity of urban and natural habitats in the Chicago metropolitan area. Species richness was assessed for each site.
Molumby, Alan, Przybylowicz, Tomasz
core   +2 more sources

Analysis of the Diversity of Megachilidae Bees on the Northern Subplateau of the Iberian Peninsula [PDF]

open access: yesJournal of Insect Science, 2010
In the western Mediterranean, 772 species of bees in the family Megachilidae have been reported. Special emphasis has been placed on the Iberian Peninsula, where to date 218 species are known. However, few intensive studies providing information about communities of Megachilidae have been carried out. Two earlier works cite 70 species; almost one third
Josep Daniel Asís   +2 more
openaire   +3 more sources

A survey of the bees (Hymenoptera: Apoidea) from Isfahan Province, Iran [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2019
In this survey, 154 bee species of Apoidea superfamily, from the western part of the Isfahan province, Iran were recorded, of which 29 species are new for the fauna of Iran.
Razieh Khodarahmi Ghahnavieh   +1 more
doaj  

Claves y datos nuevos de las especies ibéricas del género Stelis Panzer, 1806 (Hymenoptera, Apoidea, Megachilidae, Anthidiini)

open access: yesGraellsia, 2009
El trabajo actual, dentro de la revisión que se está realizando de la familia Megachilidae en la fauna ibérica, incluye las claves de identificación para las especies del género Stelis Panzer, 1806. Las claves se acompañan de numerosas ilustraciones para
C. Ornosa, F. Torres, J. Ortiz-Sánchez
doaj   +1 more source

Use of Communal Nest Entrances by \u3ci\u3eOsmia Simillima\u3c/i\u3e (Hymenoptera: Megachilidae) [PDF]

open access: yes, 2017
Six Osmia simillima females used communal nest entrances to gain access to their nests in a piece of buried wood.
Scott, Virginia
core   +2 more sources

Potential effects of oilseed rape expressing oryzacystatin-1 (OC-1) and of purified insecticidal proteins on larvae of the solitary bee Osmia bicornis [PDF]

open access: yes, 2008
Despite their importance as pollinators in crops and wild plants, solitary bees have not previously been included in non-target testing of insect-resistant transgenic crop plants.
A Gathmann   +71 more
core   +5 more sources

Climate explains global functional trait variation in bees

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Climate is a fundamental driver of macroecological patterns in functional trait variation. However, many of the traits that have outsized effects on thermal performance are complex, multi‐dimensional, and challenging to quantify at scale.
Madeleine M. Ostwald   +5 more
wiley   +1 more source

Trap nest preference of solitary bees in fragments of the Baturité massif, Atlantic Forest, Brazil [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
The study investigated native solitary bee species that nest in pre-existing cavities in the Baturité Massif, State of Ceará, Brazil, their preference for nest substrates and aspects of these bee communities.
MICHELLE O. GUIMARÃES-BRASIL   +4 more
doaj   +1 more source

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