In spring I was invaded by hoards of earwigs too! They were chewing all the new growth off of the irises. At night I would go out with a flashlight and see the irises leaves covered with them. I set out some used cooking oil traps for them.
I used empty humus/salsa containers and buried the containers so the top rim was level of the soil. Then I put some cooking oil into each container. The traps caught a few slugs too!
Some of your irises may come back and surprise you. They may have been storing all their energy for a bloom. Now that it bloomed, the energy will (hopefully) be reserved for new growth. However, I've had a few that have bloomed and they decided that's all they were going to do. It's hard to say how a plant will respond with the stress of our drought and hot summers.
If I have any irises you want, let me know and I'll check on them after spring.
Odd, for some reason I feel like I want to go watch Shaka Zulu.