Historical clue formulations

• Postlarval insects — 2026-09-09
• Cocoon dwellers — 2024-08-06
• Ones going through a stage — 2023-10-21
• Wanna-bees, e.g.? — 2021-05-09
• Cocoon dwellers — 2019-03-28
• Butterfly chrysalises, e.g. — 2018-11-09
• Ones in cocoons — 2016-04-28
• Not-quite-mature insects — 2011-04-25
• Slave-making ants steal them — 2011-04-16
• Cocoon occupants — 2009-03-24
• Ones undergoing transformation — 2007-04-01
• Cocoon dwellers — 1999-08-19
• Chrysalises — 1994-01-24