RM
LM of the proboscid leech helobdella stagnalis
Light micrograph of the proboscid leech Helobdella stagnalis. The proboscid leeches (sub-order Rhynchobdellae) are characterised by the ability to extrude part of the anterior intestine through the mouth sucker, for use as a stabbing proboscis. This species belongs to the Glossiphoniid family, which suck blood from mosquito larvae, aquatic woodlice, water fleas and snails. Magnification unknown.
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