Utamphorophora humboldti (Essig, 1941)

on Physocarpus, primary host plant

parasiet

In Europe only rarely observed on their primary host plant.

hostplants

Rosaceae, monophagous

Physocarpus.


on Poaceae, secondary host plants

Utamphorophora humboldti: aptera

UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

parasiet

Apterae 2-3 mm, apple green, two darker green length lines, head and cauda pale. Antennae about body length; cauda long and thin; siphunculi slightly swollen; frontal tubercles pronounced. The aphids sit in dense rows on the upperside of the leaves, closely appressed to the leaf surface.

hostplants

Poaceae, oligophagous

Avena sativa; Dactylis; Festuca; Lolium; Ochlopoa annua; Polypogon.

Occasionally (?) on Erophila verna and Juncus bufonius.

notes

North American species, observed on several points in Europe.

references

Blackman & Eastop (2017). Heie (1994a), Piron (2010a, 2017a).

mod 22.ii.2018