Lasers and insects

[SaberToothLight]

Hi,

What are the colors / wavelengths that would be invisible to insects?

Some items on the list would be:

Roaches
Spiders
Housefly
Mosquito

TIA!

 

[Unown (WILD)]

Why?

 

[CurtisOliver]

He doesn't want the insects enjoying his laser shows.

 

[SaberToothLight]

Marker or pointing them out to others at a distance.