Helobdella stagnalis (Linnaeus, 1758)

Hirudo stagnalis Linnaeus, 1758

Glossiphonia stagnalis Blanchard, 1894

Glossiphonia (Helobdella) stagnalis Moore, 1922

Bakedebdella gibbosa Sciacchitiano, 1939

Geographical distribution.

Transpalaearctic species. This is one of the most common leech species inhabiting freshwater ecosystems in Eurasia.

Locations.

Yatria River (64°15'50"N, 60°52'39"E), Ob River (61°5'38.0"N, 69°27'38.6"E; 60°57'13"N, 68°39'27"E), Saima River (61°14'41.1"N, 73°25'09.5"E), Shaitanskaya River (61°4'50.4"N, 69°28'51.9"E), Zhivoy stream (60°53'22"N, 68°41'40"E), Kabaniy stream (60°54'4"N, 68°42'55"E), Okhotnichiy stream (60°56'9"N, 68°41'52"E), Sredniy stream (60°55'24"N, 68°42'46"E), Irtysh River (61°1'21"N, 69°8'20"E; 61°0'58"N, 69°9'26"E; 61°0'14"N, 68°59'10"E; 60°59'57"N, 68°59'19"E; 60°59'37"N, 68°59'22"E), Mamontovyi creek (60°57'18"N, 68°32'27"E), Malyi Yugan River (60°31'22.3"N, 74°28'01.9"E), Bolshoi Yugan River (60°17'38.0"N, 73°53'32.0"E; 60°17'33.0"N, 73°53'38.0"E), Lungunigyi River (60°11'43.0"N, 74°12'20.0"E), Ugutka River (60°29'17.0"N, 74°03'41.0"E).