A Key to the British Freshwater Leeches: With Notes on Their Life Cycles and Ecology |
Contents
INTRODUCTION | 5 |
NOTES ON THE USE OF THE KEY | 12 |
THE IDENTIFICATION OF LEECH COCOONS | 27 |
2 other sections not shown
Common terms and phrases
adults amphibians Annelida annuli attached Batracobdella paludosa body Boreobdella verrucata bred breeding British leeches brood chironomid chironomid larvae cocoons colour plate copulation crop cycle Davies & Reynoldson distribution dorsal surface earthworms Ecol ecology ectoparasite Elliott Erpobdella octoculata Erpobdella testacea eutrophic eyes feeding fish Free-living fresh water genera genital atrium genital pores Glossiphonia complanata Glossiphonia heteroclita gnathobdellid Haementeria costata Haemopis sanguisuga hatch Helobdella stagnalis Herter Hirudinea Hirudineen Hirudinidae Hirudo medicinalis host invertebrates jaws June Klemm laboratory Lake District Lake District stream large numbers larvae leeches Hirudinea lineata Linnaeus longitudinal macrophytes male pore mammals Mann mature leeches McCarthy medicinal leech molluscs nephridium oligochaetes overwintering population oxygen oxygen concentration oxygen consumption P/B ratio pairs papillae parent Pawlowski 1936 PHARYNGOBDELLAE pharynx Piscicola geometra Piscicolidae ponds posterior sucker proboscis sanguivorous Sawyer segments Soós specimens stones streams and rivers substratum summer temperature Theromyzon tessulatum ventral surface water birds Wilkialis 1970b young leeches Zool