under the lamplight

Other reasons to save the little sauce cups from Chinese-style restaurant take-out meals include use as final resting places for specimen exoskeletons.

This deer fly exoskeleton is an example of the type; the living fly (a bit smaller) clung patiently to an inside apartment door to be released into the springtime air.  The fly had entered the apartment a few days ago with one leg enmeshed in a bit of spider silk, which was dropped behind a gas-line heater.