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Publication: Cockerell, T. D. A. 1919 Bees in the Collection of the United States National Museum.-3 Proceedings of the United States National Museum, vol. 55, no. 2264 167-221

ITIS records citing this publication
 
 Kingdom Animalia
  Coelioxys hakonensis Cockerell, 1919 -- invalid
  Megachile arcuata Cockerell, 1919 -- valid
  Megachile bentoni Cockerell, 1919 -- valid
  Megachile elfrona Cameron, 1907 -- invalid
  Megachile eulaliae Cockerell, 1919 -- valid
  Megachile howardi Cockerell, 1919 -- invalid
  Megachile knabi Cockerell, 1919 -- invalid
  Megachile laqueata Cockerell, 1919 -- invalid
  Megachile nigrolateralis Cockerell, 1919 -- invalid
  Megachile nigromixta Cockerell, 1919 -- valid
  Megachile perenensis Cockerell, 1919 -- invalid
  Megachile poculifera Cockerell, 1919 -- invalid
  Osmia pedicornis Cockerell, 1919 -- valid
   

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