Coloradoa achilleae Hille Ris Lambers, 1939

small yarrow aphid

on Achillea

Great Britain, Cambridgeshire, Stretham, 11.xi.2024 © Ian Barton

detail

Great Britain, Cambridgeshire, Stretham, 6.vii.2023 © Ian Barton

gall

apterae are small (1-2 mm). almost globular and pale greenish or reddish. No host plant alternation. The colonies are attended by ants.

host plants

Asteraceae, narrowly monophagous

Achillea millefolium, nobilis subsp. neilreichii, seidlii, setacea.

references

Barbagallo & Massimino Cocuzza (2014a), Blackman & Eastop (2017), Börner & Franz (1956a), Buhr (1964b), Danielsson (1974a), Hellrigl (2004a), Influential Points (2026), Jörgl & Lampel (1988a), Lampel & Meier (2007a), Roskam (2019a), Tambs-Lyche (1970a), Wojciechowski, Depa, Halgoš ao (2016a).