Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe

We describe augmentation of managed populations of Osmia cornuta and O. rufa in the vicinity of Belgrade (Serbia). Annual augmentation of O. cornuta populations was more than five-fold during the six years of our study. This was achieved by watering the soil near the Osmia augmentation shelters used...

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Main Authors: Miloje KRUNIĆ, Ljubiša STANISAVLJEVIĆ
Format: Article
Language:English
Published: Institute of Entomology, Biology Centre, Czech Academy of Science 2006-07-01
Series:European Journal of Entomology
Subjects:
Online Access:https://www.eje.cz/artkey/eje-200603-0026_Augmentation_of_managed_populations_of_Osmia_cornuta_and_O_rufa_Hymenoptera_Megachilidae_in_Southeastern_Eu.php
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author Miloje KRUNIĆ
Ljubiša STANISAVLJEVIĆ
author_facet Miloje KRUNIĆ
Ljubiša STANISAVLJEVIĆ
author_sort Miloje KRUNIĆ
collection DOAJ
description We describe augmentation of managed populations of Osmia cornuta and O. rufa in the vicinity of Belgrade (Serbia). Annual augmentation of O. cornuta populations was more than five-fold during the six years of our study. This was achieved by watering the soil near the Osmia augmentation shelters used for nest building. However, populations of O. rufa under the same treatment only doubled annually. Data are also presented on sex ratios in these managed populations, the sex ratio being an important factor in increasing population numbers and raising pollination efficacy. Sex ratio values (♂ : ♀) varied from 1.46 : 1 to 3.22 : 1 in the populations of O. cornuta and from 1.35 : 1 to 2.68 : 1 in those of O. rufa.
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spelling doaj.art-4ba78277613c45218f5af25c83f8d3702022-12-21T23:47:00ZengInstitute of Entomology, Biology Centre, Czech Academy of ScienceEuropean Journal of Entomology1210-57591802-88292006-07-01103369569710.14411/eje.2006.091eje-200603-0026Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern EuropeMiloje KRUNIĆ0Ljubiša STANISAVLJEVIĆInstitute of Zoology, Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia and Montenegro;We describe augmentation of managed populations of Osmia cornuta and O. rufa in the vicinity of Belgrade (Serbia). Annual augmentation of O. cornuta populations was more than five-fold during the six years of our study. This was achieved by watering the soil near the Osmia augmentation shelters used for nest building. However, populations of O. rufa under the same treatment only doubled annually. Data are also presented on sex ratios in these managed populations, the sex ratio being an important factor in increasing population numbers and raising pollination efficacy. Sex ratio values (♂ : ♀) varied from 1.46 : 1 to 3.22 : 1 in the populations of O. cornuta and from 1.35 : 1 to 2.68 : 1 in those of O. rufa.https://www.eje.cz/artkey/eje-200603-0026_Augmentation_of_managed_populations_of_Osmia_cornuta_and_O_rufa_Hymenoptera_Megachilidae_in_Southeastern_Eu.phphymenopteramegachilidaeorchard beespollinationosmia cornutaosmia rufaaugmentationsoil wateringserbia
spellingShingle Miloje KRUNIĆ
Ljubiša STANISAVLJEVIĆ
Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
European Journal of Entomology
hymenoptera
megachilidae
orchard bees
pollination
osmia cornuta
osmia rufa
augmentation
soil watering
serbia
title Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
title_full Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
title_fullStr Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
title_full_unstemmed Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
title_short Augmentation of managed populations of Osmia cornuta and O. rufa (Hymenoptera: Megachilidae) in Southeastern Europe
title_sort augmentation of managed populations of osmia cornuta and o rufa hymenoptera megachilidae in southeastern europe
topic hymenoptera
megachilidae
orchard bees
pollination
osmia cornuta
osmia rufa
augmentation
soil watering
serbia
url https://www.eje.cz/artkey/eje-200603-0026_Augmentation_of_managed_populations_of_Osmia_cornuta_and_O_rufa_Hymenoptera_Megachilidae_in_Southeastern_Eu.php
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