Buprestids can easily be caught with funnel traps. I have a few dozen with a dozen species. You can get 5-6 in a single trap and up to 3 species 
. Don't know if you are still interested in the info but thought I'd pitch in. I have also collected them under hemlock bark, as well as just on the ground.
. Don't know if you are still interested in the info but thought I'd pitch in. I have also collected them under hemlock bark, as well as just on the ground.