This one is still being built. It now looks like the heat syncing might support a 2400mw diode. This would be the most powerful largest single-diode 445nm I have ever seen. It would certainly incinerate any pest with ease.
The results were complete resulting in total annihilation, poof, ceased to exist, a sudden and total going away of the target
I've purchased kits (survivallaser.com) completed lasers (Lazerer.com) and am currently having a custom unit being built with costs ranging from $160~$500+.
The good news is power outputs are increasing and costs are dropping so they will become more affordable over time. The 445nm diodes being used are basically the same laser diodes used in 12X Blue Ray players.