QUOTE (Supes @ Jun 21 2004, 01:20 AM)
5. Consider installing yellow or sodium vapor light bulbs at outside entrances. These lights are less attractive than mercury vapor, fluorescent, or incandescent bulbs to night-flying insects which, in turn, attract spiders.
Back in first year chem, our lecturer hooked up a gerkin to some sort of electric current or something and managed to turn it into a sodium lamp. The gerkin went bright orange.