Results 21 to 30 of about 5,729 (219)

Temporal variation in flower-visiting insects of Calotropis gigantea in the Southern Province of Sri Lanka

open access: yesRuhuna Journal of Science, 2022
Calotropis gigantea (Giant milkweed) is a medicinal plant native to a few Asian countries including Sri Lanka. However, the plant is considered invasive in countries such as Australia, the USA and Brazil.
W.P.S.N. Wijeweera   +3 more
doaj   +1 more source

Xylocopa iris

open access: yes, 2022
Xylocopa iris (CHRIST, 1791), Kleine Holzbiene N a c h w e i s e: 19.Bez.,Leopoldsberg, Nasenweg, N 48°16,6′, E 16°20,73′, 342 m SH, F&B-F10, 16.VI.2012, 1♀, ldcEO; 21. Bez., Stammersdorf, Alte Schanze XI, N 48°19,2′, E 16°25,3′, 215 m SH, F&B-A15, 10.VIII.2014, 1♀, lFS & lHZ, dcHZ; 21.
Zettel, Herbert   +3 more
openaire   +2 more sources

Studies on diversity, abundance and pollination efficiency of insect pollinators and pollination mechanism involved in sunnhemp (Crotalaria juncea L.)

open access: yesElectronic Journal of Plant Breeding, 2019
Biodiversity of insect pollinator’s species visiting sunnhemp crop was studied in TNAU Coimbatore, India. Fifteen insect species belonging to four orders were recorded from sunnhemp flowers, of which nine belongs to order Hymenoptera, two to ...
S.R. Rakesh   +3 more
doaj   +1 more source

Preliminary checklist of the bees of St. Eustatius, Lesser Antilles (Hymenoptera: Apoidea: Anthophila) [PDF]

open access: yes, 2013
We present a preliminary checklist of bees (Hymenoptera: Apoidea: Anthophila) compiled for St. Eustatius, an island located in the Lesser Antilles of the eastern Caribbean. The list has nine species, including six that have not been previously documented
Bush, Stephen P., Madden, Hannah
core   +4 more sources

Bees feeling the burn. [PDF]

open access: yesBiol Rev Camb Philos Soc
ABSTRACT Fire is a major form of environmental disturbance, and in recent years, due to anthropogenic climate change and anthropogenic land management, we are seeing increases in the frequency and intensity of fires. With bees being an important, diverse group of pollinators that is facing declines globally, understanding how they respond to fires is ...
Prendergast KS, Campbell JW, Bateman PW.
europepmc   +2 more sources

Pollination of Sedirea japonica (Orchidaceae) by Bombus diversus diversus (Hymenoptera: Apidae)

open access: yesEuropean Journal of Entomology, 2013
There are no records of the pollinators of many orchids even though the Orchidaceae are often cited as the example of an intimate relationship between plants and their pollinators.
Kenji SUETSUGU, Koji TANAKA
doaj   +1 more source

Xylocopa violacea

open access: yes, 2022
Published as part of Zettel, Herbert, Ockermüller, Esther, Schoder, Sabine & Seyfert, Franz, 2022, Zur Verbreitung der Wildbien en (Hymenoptera, Apidae) in Wien, Österreich, pp.
Zettel, Herbert   +3 more
openaire   +1 more source

A new species of the carpenter bee genus Xylocopa from the Sarawat Mountains in southwestern Saudi Arabia (Hymenoptera, Apidae)

open access: yesZooKeys, 2017
A new species of the carpenter bee genus Xylocopa Latreille (Xylocopinae: Xylocopini) is described and figured from two localities in southern Saudi Arabia. Xylocopa (Koptortosoma) sarawatica Engel, sp. n.
Michael S. Engel   +4 more
doaj   +3 more sources

A record of bilateral gynandromorphism in Epeolus (Hymenoptera: Apidae: Nomadinae) [PDF]

open access: yes, 2018
The discovery of a gynandromorph of a North American Epeolus Latreille is reported. A specimen of E. flavofasciatus Smith from Flagstaff, Arizona, USA discovered in the collection of the American Museum of Natural History (AMNH) exhibits male-specific ...
Onuferko, Thomas M
core   +2 more sources

Diversidad de visitantes y aproximación al uso de nidos trampa para Xylocopa (Hymenoptera: Apidae) en una zona productora de pasifloras en Colombia

open access: yesActualidades Biológicas, 2015
Las abejas del género Xylocopa son los polinizadores más eficientes de muchas plantas del género Passiflora, por esta razón, se ha propuesto el uso de "nidos trampa" para aumentar el número de visitas de estos polinizadores.
Mario S Pinilla-Gallego   +1 more
doaj   +1 more source

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