Eriosoma anncharlotteae Danielsson, 1979

on Ulmus

gall

aphids on leaves that are almost totally inrolled downwards at either side of the midrib. The gall is a deep rose-red when they develop on young trees or suckers, rather yellow or pale green on old trees or thick branches. The aphids are dark green to bluish-grey, covered by wax wool.

primary hostplants

Ulmaceae, narrowly monophagous

Ulmus minor, procera.

on Ribes

gall

aphids at the roots. They are 1-2 mm large, yellow to pale red in white wax wool.

secondary host plants

Grossulariaceae, monophagous

Ribes alpinum, sanguineum.

references

Bellmann (2012a), Burton, Ellis & Schneider (2022a), Blackman & Eastop (2014), Carter & Danielsson (1993a), Coulianos & Holmåsen (1991a), Coulianos & Karlsson (2014a), Danielsson (1979a, 1982a), Heie (1980a), Lampel & Meier (2003a), Redfern & Shirley (2011a).