I moderate a few herp and invert lists at Yahoo groups. Some are more active than others, but feel free to join and check them out.

Herper — Herp-related news from around the world

Rearfang — discussion list for rearfanged colubrid snakes

Millipede — discussion list for millipedes and centipedes

Blaberus — discussion list for cockroaches

WildDiseases — information list on reports of wildlife diseases

StrangeArk — news list on mystery animals and strange wildlife