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Photo#2421009
NHMLA Butterfly Pavilion mine 2

NHMLA Butterfly Pavilion mine 2
Natural History Museum of Los Angeles, Los Angeles County, California, USA
June 17, 2024
The cage used to contain the butterflies had pretty widely-spaced mesh, so there's no telling whether the mine was imported with the plant or naturally colonized the plant from outdoors.

Host:

was on the same leaf with it.