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2. Study on wild (solitary) bees as crop pollinators in Al-Hasa District Kingdom of Saudi Arabia;Al-Ajlan;Arab J. Plant Prot.,2004
3. A new wild, pollinating bee species of the genus Tetraloniella from the Arabian Peninsula (Hymenoptera, Apidae);Alqarni;ZooKeys,2012
4. A new species of Chalicodoma from Saudi Arabia with modified facial setae (Hymenoptera, Megachilidae);Alqarni;ZooKeys,2012
5. On Palaearctic and Oriental species of the genera Pseudapis W.F. Kirby, 1900, and Nomiapis Cockerell, 1919 (Hymenoptera, Halictidae, Nomiinae);Baker;Beitr. Entomol.,2002