Capitophorus horni Börner, 1931

on thistles

gall

Leaves disfigured by aphids living at the underside. The aphids are translucent pale green or yellow, often with two brighter green length stripes; length 1.6-2.5 mm. Antennae 2 x cauda. No host plant alternation.

host plants

Asteraceae, Carduinae, narrowly oligophagous

Cirsium arvense, canum, oleraceum, palustre, vulgare; Cynara cardunculus, scolymus; Scolymus.

In many regions Cirsium oleraceum is the main host plant.

references

Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Corpuz-Raros & Cook (1974a), Heie (1994a), Lampel & Meier (2007a), Meliá Masiá (1978a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Suay Cano & González Funes (1998b), Tambs-Lyche (1970a), Wojciechowski, Depa, Halgoš ao (2016a).