Vinegar flies or mourning flies in flowerpot

For both types of fly I had two alternatives: 1. Throw away the flowerpot. 2. Keep Hardcore application and possibly flower pot. So I did not pour the infected plants for 1 week and placed at the current minus temperatures about 8 hours on the balcony. The flies are cold-sensitive and do not really like dryness. After the "dry and cold shock treatment" I have put her back in the apartment and until today no "little beasts" found more ...

Four-Day Planet by H. Beam Piper | April 2024