Some insects use a form of defence known as autothysis, which has what effect on the insect itself?

Question

What is a common name for flying insects known for their extremely short life spans - one day in the adult winged stage - and emergence in large numbers in the summer months?

Answer 1

It dies
Autothysis is the process where an animal, e.g. a termite or ant, destroys itself via an internal rupturing, dehiscence or explosion of an organ which ruptures the skin to release toxic, sticky or corrosive substances.