"Sie sind klein und sitzen nicht still und erfordern möglicherweise ein Mikroskop + eine Pinzette, um sicher zu sein.
The adults grow up to 3 millimetres (0.12 in) long. The thorax and the eyes margins are bright yellow, mesonotum shows brown longitudinal bands and yellow stripes, the abdomen is yellow with large horizontal brown stripes.
They start flying in late March or in the first half of April and can be encountered feeding on nectar of flowers and various sweet liquids and excretions. They overwinter hibernating as adults, after at least two generations in a year.
In Europe in some localities from late Summer through December this species shows an aggregation behaviour, forming big swarms appearing as clouds or smoke, that invade buildings and parks.
Larvae usually live in roots of grasses. They are carnivorous, mainly preying on 'root aphids' ('Sugar-beet root aphids' Pemphigus fuscicornis, 'Lettuce root aphids' Pemphigus bursarius, etc.)" says Danny VG in habitat Garden on 18.04.2021. Thaumatomyia notata (Thaumatomyia notata) is a species of 'frit flies' or 'grass flies' belonging to the family Chloropidae.
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By User: Danny VG
Posted in: Animal > Thaumatomyia notata