W. P. Cockerell

9 plates

• Bombus (Pyrobombus) centralis [Not Stated]
• Bombus (Pyrobombus) wilmattae [Not Stated]
• Bombus (Fervidobombus) fervidus fervidus 6 Aug 1906
• Bombus sp. Aug 1917
• Bombus (Alpigenobombus) breviceps 1 Feb 1912 to 28 Feb 1912
• Bombus (Fervidobombus) mexicanus 17 Jan 1919
• Bombus (Alpigenobombus) breviceps 1 Feb 1912 to 28 Feb 1912
• Bombus (Alpigenobombus) breviceps 1 Feb 1912 to 28 Feb 1912
• Bombus (Bombus) terrestris Jul 1920