Historical clue formulations

• Encase in protection — 2026-07-26
• Wrap for a monarch? — 2024-04-17
• Result of some spinning — 2023-12-20
• Case for an entomologist — 2021-03-05
• Wrap tightly — 2018-01-14
• Changing room? — 2017-02-19
• Silk case — 2015-10-18
• What a butterfly emerges from — 2014-09-15
• Butterfly protector — 2011-06-13
• Thing from which a butterfly emerges — 2008-12-01
• Cover made of silk — 2004-02-13
• Caterpillar's quarters — 1995-03-12