W. E. Steiner

11 plates

• Pantala flavescens 24 Jul 1998
• Bombus (Pyrobombus) ephippiatus 2 Apr 1988
• Bombus sp. 23 Jun 1989 to 25 Jun 1989
• Bombus (Pyrobombus) flavifrons 2 Jul 1988
• Bombus (Pyrobombus) bifarius 4 Aug 1976
• Bombus (Pyrobombus) ephippiatus 2 Apr 1988
• Bombus sp. 14 Jun 1989 to 15 Jun 1989
• Bombus sp. 22 Mar 1986
• Bombus sp. 14 Jun 1989 to 15 Jun 1989
• Bombus (Pyrobombus) ephippiatus 2 Apr 1988
• Bombus sp. 23 Jun 1989 to 25 Jun 1989