E. D. McDonald Jr.

6 public-domain plates in the archive

• Bombus (Fervidobombus) pensylvanicus pensylvanicus 8 Sep 1939
• Bombus (Fraternobombus) fraternus 13 Aug 1944
• Bombus sp. 16 Jul 1944
• Viola sororia Willd. 17 May 1942
• Bombus sp. 20 Aug 1944
• Bombus sp. 2 Sep 1944