Crypturaphis grassii Silvestri, 1935

italian alder aphid

on Alnus

Crypturaphis grassii: aptera on Alnus cordata

Alnus cordata, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

parasite

Apterae 2-3 mm, strongly flattened dorsoventrally; scattered at the main veins of both upper side and underside of the leaves.

hostplants

Betulaceae, narrowly monophagous

Alnus cordata.

distribution within Europe

(PESI, 2018).

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Blackman & Eastop (2018).

mod 13.ii.2018