Plant Parasites of Europe

leafminers, galls and fungi

Illinoia morrisoni

Illinoia morrisoni (Swain, 1918)

sequoia aphid

on conifers

Illinoia morrisoni: aptera on Sequioa smpervirens

Sequoia smpervirens, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints


Apterae ± 2 mm, on young foliage and shoots.


polyphagous on Coniferales, mainly on Cupressaceae

Cedrus deodara; Cupressus; Juniperus; Metasequoia; Sequoia sempervirens; Taxodium; Thuja.

distribution within Europe

North American species, introduced in the UK and France.


Blackman & Eastop (2017).

Last modified 2.x.2018