Strautzia longipennis (Wiedemann, 1830)
sunflower maggot fly
Up to 20 larvae bore in the pith of the stem; pupation in the soil.
Helianthus annuus, tuberosus.
Univoltine; hibernation as puparium.
distribution within Europe
North American species, found in Germany; whether this has resulted in a successful colonisation is not yet clear.
Brückner & Korneyev (2010a), Smit (2020a) .