If you want bee info, a great person to get a hold of is Rusty.
http://www.honeybeesuite.com/papers/
She's the director of the Native Bee Conservancy, as well as someone who
keeps up on bee research.
Another good resource is https://agdev.anr.udel.edu/maarec/category/ccd/
Frankly, time will
Cherubini, the pesticide industry is hardly an uninterested party in the
question of whether pesticides are involved in colony collapse. The original
article brought up by Tyson is just frantic shouting with no substance, but to
turn to the pesticide industry is not an unbiased approach. That
For collecting earthworms (and I assume you do mean earthworms, rather than
any other vermiform taxa), extractions by electricity and chemicals (dilute
formalin, spicy mustard solutions) do work. Chemical extraction especially
can vary in effectiveness on different species, which could throw off a
