Aphis janischi (Börner, 1940)

on Cirsium

parasite

Apterae 2-3 mm, black, wax-dusted. At the base of the stem, also in the leaf axils on top of the midrib.

host plants

Asteraceae, narrowly monophagous

Cirsium oleraceum.

Rarely Cirsium arvense.

synonyms

Morphologically indistinguishable from Aphis fabae, therefore possibly synonymous with A.f. cirsiiacanthoidis (Blackman & Eastop).

references

Blackman & Eastop (2017), Börner & Franz (1956a), Heie (1986a), Müller & Horatschek (1980a), Osiadacz & Wojciechowski (2008a), Wojciechowski, Depa, Halgoš ao (2016a).