Hydrothassa marginella grows to 3.4 - 4.5mm in length and are dark metallic blue and orange-yellow in colour.[1] The pronotum is coloured yellowish with lateral margins. It may be confused with H. glabra or H. hannoveriana.[1]
Habitat
Hydrothassa marginella is a common and widespread species, active between the months of mid-April and August.[1] It has various host plants, especially buttercups.[2] Adults overwinter in grass tussocks.[1]
Mating couple of Hydrothassa marginellaLarva of Hydrothassa marginella
Distribution
Hydrothassa marginella is prevalent in central and northern Europe.[3]
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