Hatches - Leeches

Links - Biopharm Leeches

Why You Should Be Fishing More Leech Flies - Fly Fisherman

Fly Fishing Stillwater Hatches - Fly Fisherman

Leech News - R&M Lupton leeches - medical leech supplier

Leeches, Fly Fishing Philip Rowley

Freshwater Leeches - Identification and Ecology – Field Studies Council

The life cycle of the Siamese shield leech, Placobdelloides siamensis Oka, 1917

Billings Montana Fly Fishing (A Local's Guide) - Into Fly Fishing

Medicinal leech therapy in plastic surgery

Dead leeches infected by parasitic protozoans and flatworms