Freshwater invertebrates identification guide for both professionals and non-professionals. Contains a key to all the macroinvertebrate groups and photographs o

Willy the Baby Water Bug goes on an adventure, only to find out that he should have listened to his parents.

Best-selling simplifier of science Lucille Recht Penner unearths the truth about the water bug which sucks its victims' blood like a vampire, the assassin bug w

Freshwater macroinvertebrates provide a useful and reliable indicator of the health of our rivers, streams, ponds and wetlands. As environmental awareness withi

Originally published: Cleveland, OH: Pilgrim Press, 1997.