Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Nicoleta ION, Cosmin Alexandru IANCU, Eliza CĂUIA
The study on pollinators diversity in rapeseed crops was carried out in the spring season of 2024, in four sites located in South Romania. Rapeseed (Brassica napus L. ssp. oleifera (DC.) Metzg.) is an important oil crop in Romania reaching approximately one third of the total area of oilseed crops. The obtained data show that the observed pollinators belonged to four orders (i.e., Hymenoptera, Diptera, Lepidoptera, and Coleoptera), but Hymenoptera insects were the most numerous pollinators. The obtained results revealed that the major floral visitors of the Hymenoptera order belonged to Apidae family. Undoubtedly, the honey bee (Apis mellifera) was the most important visitors (about. 60%) followed by some species of solitary bees and bumblebees. The wild bees ranked a secondary place, they being known to have a significant contribution to increasing agricultural production. A high number of non-syrphid flies were also observed on flowers in rapeseed crops.
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