Classification
Tree [regio]Heteroptera [subordo]
Corixidae [familia]
Corixinae [subfamilia]
Sigara [genus]
Halicorixa [subgenus]
Sigara (Halicorixa) stagnalis [species]
Sigara (Halicorixa) stagnalis (Leach, 1817) contains the following taxa:
Sigara (Halicorixa) stagnalis pontica Jaczewski, 1961 [subspecies]
Sigara (Halicorixa) stagnalis stagnalis (Leach, 1817) [subspecies]