Habitat
They occur to an altitude of about 1000 meters.he preferred habitat is damp areas with swamp and water plants - slack and marshes, including peatlands but ''Coccidula rufa'' also occurs in dry biotopes.Food
They eat aphids which they hunt on aquatic plants such as cane, reed, sedges, and gramineans in the genera ''Glyceria'' and ''Elymus'' They eat aphids which they hunt on the aquatic plants, especially ''Hyalopterus pruni'' which lives not only on ''Prunus'' species such as ''Prunus spinosa'', but also on reeds, ''Arundo donax'' and ''Molinia caerulea''. Overwintering takes place in the reed.References:
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