Originally Posted by
Havplenty
the time between sewing a quilt top and actually making the top into a quilt can be years. so those who use starch as many quilters do are more likely to experience the insects. i am sure those starched tops are stored somewhere waiting on the day when its their turn to be a quilt. sometimes they may not even see the insects to know they could possibly have them.
Also, the fabric left behind after cutting what you need for the block(s) will still have starch and if you put it in your stash without washing it again, it's stored with starch on it.