T. P. Chao

14 public-domain plates in the archive

• Bombus (Tricornibombus) atripes 11 May 1926 to 31 May 1926
• Bombus (Tricornibombus) atripes 16 Apr 1926 to 26 Apr 1926
• Bombus (Tricornibombus) atripes 28 Jul 1924 to 16 Aug 1924
• Bombus (Diversobombus) trifasciatus 1 Jun 1926 to 22 Jun 1926
• Bombus (Bombus) ignitus 5 May 1925 to 31 May 1925
• Bombus (Tricornibombus) atripes 28 Jul 1924 to 16 Aug 1924
• Bombus (Diversobombus) trifasciatus 11 May 1926 to 31 May 1926
• Bombus (Bombus) ignitus 1 Jun 1926 to 22 Jun 1926
• Bombus (Tricornibombus) atripes 1 Aug 1925
• Bombus (Diversobombus) trifasciatus 29 Jun 1926
• Bombus (Tricornibombus) atripes 10 Jul 1926
• Bombus (Bombus) ignitus 28 Jul 1924 to 16 Aug 1924
• Bombus (Tricornibombus) atripes 1 Jun 1926 to 31 Jul 1926
• Bombus (Tricornibombus) atripes 1 Aug 1925