Results 141 to 150 of about 78,130 (182)

Wind energy and insects: reviewing the state of knowledge and identifying potential interactions. [PDF]

PeerJ
Weschler M, Tronstad L.
europepmc   +1 more source

Genetic diversity and conservation in Bromeliaceae based on SSR markers. [PDF]

Genet Mol Biol
Barcellos MF, Costa LMS, Bered F.
europepmc   +1 more source

Microsatellite loci for euglossine bees (Hymenoptera: Apidae)

Molecular Ecology Notes, 2007
AbstractThe Neotropical Euglossini (Hymenoptera: Apidae) are important pollinators of many flowering plants, particularly orchids. Lack of highly polymorphic genetic markers for euglossine species has limited the study of their social organization and inbreeding.
Robert J. Paxton
exaly   +4 more sources

A database and synthesis of euglossine bee assemblages collected at fragrance baits [PDF]

Apidologie, 2020
AbstractEuglossine bees are an ecologically important group, which due to their diverse resource needs act as pollinators of many neotropical plants. Male euglossines collect fragrant compounds used in mating displays from diverse sources, including the flowers of orchids and other plants.
Adriana A Martins, Emma-Liina Marjakangas, Øystein H Opedal   +2 more
exaly   +6 more sources

Odor Compound Detection in Male Euglossine Bees

Journal of Chemical Ecology, 2003
Male euglossine bees collect fragrances from various sources, which they store and use for as yet unknown purposes. They are attracted, often specifically, to single odor compounds and blends thereof. We used gas chromatography with electroantennographic detection (GC-EAD) and electroantennography (EAG) to investigate the response to 8 odor compounds ...
Florian P. Schiestl
exaly   +4 more sources

Nectar-foraging behavior of Euglossine bees (Hymenoptera: Apidae) in urban areas

Apidologie, 2008
Euglossine bees have been described as long-distance pollinators because of their great flight capacities although flight capacity is not necessarily correlated to home range.
Cintia Akemi Oi, Del Lama Marco Antonio
exaly   +2 more sources

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POPULATION GENETICS, DIPLOID MALES, AND LIMITS TO SOCIAL EVOLUTION OF EUGLOSSINE BEES

Evolution; International Journal of Organic Evolution, 1996
Population genetics using allozyme electrophoresis of four euglossine bee genera in Panama revealed high proportions of diploid males among social species but no genetic polymorphism in seasonal and parasitic species, thus, no possibility for discrimination of diploid males.
D W Roubik
exaly   +3 more sources

Nonfloral sources of chemicals that attract male euglossine bees (Apidae: Euglossini) [PDF]

Journal of Chemical Ecology, 1993
We present chemical analysis of four rotten or fungus-infected logs that attracted fragrance-collecting male euglossine bees. Eight of the 10 volatile compounds detected have never been found in the fragrances of orchids pollinated by male euglossine bees.
W Mark Whitten
exaly   +4 more sources

Thermoregulation and Heat Exchange in Euglossine Bees

Physiological Zoology, 1983
The relations of the temperatures of the thorax ($T_{th}$), head ($T_{h}$), and abdomen ($T_{ab}$) to air temperature ($T_{a}$) are described for male euglossine bees attracted to baits. The large, pubescent bees in the genera Eulaema and Eufriesea regulated $T_{th}$ fairly well, as indicated by the slope of $T_{th}$ on $T_{a}$; $T_{h}$ was distinctly ...
Michael L. May, Timothy M. Casey
openaire   +1 more source

Diversity and Seasonality of Male Euglossine Bees (Hymenoptera: Apidae) in Central PanamÁ

Ecology, 1983
Seasonal changes in species richness, composition, and abundance of male euglossine bees were determined by weekly censusing of individuals attracted to 16 chemical baits. Bee populations were monitored for >1 yr in the lowland tropical moist forest of seasonally dry Barro Colorado Island (BCI), Panama.
James D Ackerman
exaly   +2 more sources