Results 91 to 100 of about 2,514 (208)

Pollination ecology of New Zealand orchids : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University [PDF]

open access: yes, 2002
The New Zealand orchid flora comprises twenty-five genera and at least 100 species occurring throughout the country. Although the number of endemic species is high (69%) only four genera are endemic to New Zealand.
Lehnebach, Carlos A
core  

What do we know about Neotropical trap-nesting bees? Synopsis about their nest biology and taxonomy

open access: yesPapéis Avulsos de Zoologia
Cavity-nesting bees are enigmatic because they are difficult to observe in the wild, hence trap-nests (man-made cavities) provide the means by which these bees may be studied.
Camila Cristina Ferreira da Costa   +1 more
doaj   +1 more source

Historical and recent investigations on the bee fauna of Taiwan (Hymenoptera, Apoidea) [PDF]

open access: yes, 2008
The bee fauna of Taiwan was studied intensively in the first half of last century and was based in large parts on the extensive material collected by Hans Sauter between 1902 and 1914. Subsequent studies on bees of Taiwan have only been sporadic.
Dubitzky, Andreas   +2 more
core  

Diversity of Flower-visiting Bees and their Pollen Loads on a Wildflower Seed Farm in Montana [PDF]

open access: yes, 2012
During a two-year survey on a wildflower seed farm in southcentral Montana, we collected ∼50 species of bees from 18 genera in sweep samples on cultivated wildflowers and weeds.
Blodgett, Sue   +4 more
core   +3 more sources

Pollination ecology and floral visitor spectrum of turtlehead (Chelone glabra L.; Plantaginaceae)

open access: yesJournal of Pollination Ecology, 2015
Many flowering plants engage in mutualistic interactions with animals in order to sexually reproduce, exchanging food rewards such as nectar and pollen for the service of pollen transfer between flowers.
Leif L. Richardson, Rebecca E. Irwin
doaj   +1 more source

Check list of ground-dwelling ant diversity (Hymenoptera: Formicidae) of the Iguazú National Park with a comparison at regional scale [PDF]

open access: yes, 2015
We describe the ant fauna of Iguazú National Park (INP), a region of high biodiversity andendemism in northeastern Argentina that includes the southernmost protected area ofthe Atlantic Forest (AF).
Achury, R.   +6 more
core   +2 more sources

Species status and new distribution records for Lithurgus huberi Ducke (Hymenoptera, Megachilidae, Lithurginae) [PDF]

open access: yes, 2013
Notes are provided on the morphology of males and females of the enigmatic Lithurgus huberi Ducke (Lithurginae: Lithurgini), a species historically believed to have been introduced into South America from Asia and to be a possible synonym of the more ...
Alvarez, Leopoldo Jesús   +3 more
core   +3 more sources

Rote Liste der Bienen Baden-Württembergs [PDF]

open access: yes, 2009
In der jüngsten Vergangenheit hat die Anwendung der inzwischen veralteten Liste zunehmend Probleme bereitet und zwar nicht nur im Zusammenhang mit der Begründung von Naturschutzmaßnahmen, sondern auch bei Bewertungen von Flächen z.B.
Herrmann, Mike   +6 more
core  

Unveiling the trap-nesting bees and wasps’ fauna (Hymenoptera: Apocrita) and associated organisms of the Jardim Botânico do Rio de Janeiro, Brazil [PDF]

open access: yesPapéis Avulsos de Zoologia
Urban areas, as cities, are frequently overlooked as refuges for the native fauna. However, these places may support several species and house relevant biodiversity contributing to important ecosystemic functions.
Diego Marinho, Felipe Vivallo
doaj   +2 more sources

A változó mezőgazdaság hatása termesztett növényeink természetes megporzó rovarnépességeire = Impact of changing agriculture on the native pollinating insect assemblages of cultivated crop plants [PDF]

open access: yes, 2008
Négy egymás utáni évben a lucerna, vöröshere, bükköny, napraforgó, vöröshagyma és gyümölcsfajok (alma, meggy) megporzó rovarnépességeit vizsgáltuk. Lucernásokban 113 vadméh fajt mutattunk ki. A lucernások Apoidea megporzó népessége átstrukturálódott.
Benedek, Pál   +5 more
core  

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