期刊
JOURNAL OF HYMENOPTERA RESEARCH
卷 81, 期 -, 页码 109-126出版社
PENSOFT PUBLISHERS
DOI: 10.3897/jhr.81.60528
关键词
Conservation; floral preferences; habitat requirements; nesting behaviour; phenology; Scolymus
类别
资金
- Federal German Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU) through the International Climate Initiative (IKI)
- Fonds de la Recherche Scientifique - FNRS
- Research Foundation of Flanders -FWO under EOS Project [3094785]
- Academie de Recherche et d'Enseignement Superieur (ARES)
The study on Dasypoda visnaga and Dasypoda maura shows minor differences in their habitat requirements, with both species exhibiting similar nesting behaviors and floral preferences.
Many wild bee species are declining globally. To design efficient mitigation strategies to slow down or reverse these trends, we urgently need to better understand their basic ecological requirements. In this context, we studied two specialist species for which ecological data are scarce: Dasypoda visnaga and Dasypoda maura. We provide for the first-time detailed information on their phenologies, morphological traits, floral preferences, and nesting behaviours based on historical data and new samples from Morocco. The flight season of both species extends from late spring to late summer but D. maura emerges earlier than D. visnaga. Though the two species show different morphological traits, palynological analyses show that D. visnaga and D. maura females collect almost exclusively pollen from Sco/ymus sp. (Asteraceae). Concerning their nesting behaviour, D. visnaga seems to he more gregarious than D. maura. Both species build nests in sandy soil that can reach a depth of 80 cm. These ecological observations show that the differences between D. visnaga and D. maura are minor with regards to habitat requirements.
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