Flytrap / Fruitfly Trap Cone for small jar

The season for flies and other annoying flying creatures has begun, so I decided to prepare a few traps. Some are to be deadly (flies), some temporary (pollinators). I decided that it would be good if it was something small, durable, widely available... And so the idea for a trap for flying insects in the form of a cap for quite popular small jars ~200 g (e.g. tomato paste, mustard, horseradish) appeared. It is important that the outer diameter of the jar thread is ~48 millimeters.