Dichrorampha sequana (Hübner, 1799)

square-spot drill

on Achillea, Tanacetum

parasite

The larvae bore in the roots.

host plants

Asteraceae, oligophagous

Achillea millefolium; Tanacetum vulgare.

Records from Leucanthemum vulgare are less likely.

phenology

Univoltine; hibernation as larva.

distribution within Europe

(PESI, 2019).

larva

Body whitish; head light brown, laterally darkekened; prothoracic plate light brown (Swatschek).

references

Bradley, Tremewan & Smith (1979a), Disqué (1905a), Hancock & Bland (2015b), Lepiforum (2019), Mitterberger (1931a), Schütze (1931a), Swatschek (1958a), Wegner (2015a).

mod 29.ii.2020