Parsnip moth

Depressaria radiella

The parsnip moth or parsnip webworm is a moth of the family Depressariidae. It is found in most of Europe, except Portugal and most of the Balkan Peninsula.
Depressaria radiella - Caterpillar  Caterpillar,Depressaria,Depressaria radiella,Depressariidae,Geotagged,Lepidoptera,Netherlands,Parsnip moth,nl: Groot platlijfje

Appearance

The wingspan is 19–27 mm. Adults are on wing from August to May of the following year. There is one generation per year.
Depressaria radiella - Older and younger caterpillar Coerced out of their nest (and put back later). Both caterpillars NOT to scale - the bottom one is much smaller.
Here the bigger one in situ:
https://www.jungledragon.com/image/98518/depressaria_radiella_-_caterpillar.html Caterpillar,Depressaria,Depressaria radiella,Depressariidae,Geotagged,Heracleum sphondylium,Lepidoptera,Moth Week 2020,Netherlands,Parsnip moth,nl: Groot platlijfje

Food

The larvae feed on ''Heracleum sphondylium'', ''Pastinaca sativa'' and ''Apium nodiflorum''. They feed on the flowers and developing seeds, defending their territory by enclosing an umbel in silk, while safely metabolizing the ingested furocoumarins. Pupation takes place in the main stem of the food plant.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyDepressariidae
GenusDepressaria
SpeciesD. radiella