Results 31 to 40 of about 6,054 (217)

Characterization of Salix nigra floral insect community and activity of three native Andrena bees

open access: yesEcology and Evolution, 2021
Salix nigra (black willow) is a widespread tree that hosts many species of polylectic hymenopterans and oligolectic bees of the genus Andrena. The early flowering of S.
Sandra J. Simon   +5 more
doaj   +1 more source

A contribution to the knowledge of the bee genus Andrena Fabricius (Hymenoptera, Andrenidae) of the Republik of Khakassia

open access: yesActa Biologica Sibirica, 2017
An annotated list of 31 species of the genus Andrena newly recorded from Republic of Khakassia is given. Among them one species A. atrata Friese, 1887 is newly recorded from Siberia. Now the fauna of Andrena of Khakassia includes 32 species which is more
D. A. Sidorov, M. Yu. Proshchalykin
doaj   +1 more source

Occurrence of a Gynandromorphic Bombus bimaculatus (Hymenoptera: Apidae) in Southeastern Ohio [PDF]

open access: yes, 2017
Herein, we introduce the first reported case of gynandromorphy in the bumblebee Bombus bimaculatus (Cresson) (Hymenoptera: Apidae), a relatively common North American species found east of the Mississippi River.
Gardiner, Mary M   +2 more
core   +3 more sources

A preliminary list of Andrena subgenera (Hymenoptera: Andrenidae) of Iran, with five new records [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2015
The list of forty one subgenera of the genus Andrena from Iran is given. The list provided here is based on a detailed study of all available published data.
Safoora Allahverdi   +3 more
doaj  

To the knowledge of insects, pollinators of Sorbus aucuparia Linnaeus, 1753 and Aronia mitschurinii A.K. Skvortsov et Maitul., 1982 in Moscow Region, Russia [PDF]

open access: yesКавказский энтомологический бюллетень, 2018
Composition of insect species pollinating Sorbus aucuparia and Aronia mitschurinii in Moscow Region, Russia was studied. It was collected 39 species – representatives of 4 orders and 21 families.
M.G. Krivosheina
doaj   +1 more source

Development of Multiple Polymorphic Microsatellite Markers for Ceratina calcarata (Hymenoptera: Apidae) Using Genome-Wide Analysis [PDF]

open access: yes, 2016
The small carpenter bee, Ceratina calcarata (Robertson), is a widespread native pollinator across eastern North America. The behavioral ecology and nesting biology of C.
Brittain   +7 more
core   +2 more sources

Andrena Florivaga Eversmann , 1852 (Hymenoptera: Apoidea: Andrenidae) - A New Bee Species of the Genus Andrena in Poland

open access: yesJournal of Apicultural Science, 2013
W oparciu o materiał zebrany w Kampinoskim Parku Narodowym (Nizina Mazowiecka) zaprezentowano rzadki gatunek Andrena florivaga Eversmann, 1852, dotychczas nie wykazywany z Polski.
Banaszak Józef   +2 more
doaj   +1 more source

Hybridization, polyploidy, and evolutionary transitions between monoecy and dioecy in Bryonia (Cucurbitaceae) [PDF]

open access: yes, 2008
Correns’s 1903 (Berichte der Deutschen Botanischen Gesellschaft 21: 133 – 147) crosses between a monoecious and a dioecious species of Bryonia revealed the simple Mendelian inheritance of dioecy and provided the first instance of an XY sex determination ...
Renner, Susanne S., Volz, Stefanie M.
core   +1 more source

Integrated taxonomic revision of the mining bee subgenus Andrena (Micrandrena) (Hymenoptera: Andrenidae) in the Levant and Cyprus [PDF]

open access: yesArthropod Systematics & Phylogeny
Andrena (Micrandrena) Ashmead is the largest subgenus of Andrena Fabricius 1775, with more than 150 species distributed throughout the northern hemisphere.
Gideon Pisanty   +4 more
doaj   +3 more sources

Contribution to Bee Fauna (Hymenoptera: Apoidea: Anthophila) of Poland. V. The Genus Andrena Fabricius, 1775. Part I

open access: yesJournal of Apicultural Science, 2018
The paper presents new records of the following six very rare or scarcely recorded species of short-tongued bees of the genus Andrena Fabricius, 1775 in Poland: A. (Notandrena) nitidiuscula Schenck, 1853; A.
Motyka Ewelina   +3 more
doaj   +1 more source

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