Plant Parasites of Europe

leafminers, galls and fungi

Phorodon humuli

Phorodon humuli (Schrank, 1801)

damson-hop aphid

on Prunus, primary host plant

Phorodon humuli: galls on Prunus spinosa

Prunus spinosa, Hungary, Halászi, 7.v.2016 © László Érsek

Phorodon humuli: galls on Prunus spinosa

dense colonies at the undersides of the leaves

Phorodon humuli: apterae

apterae

gall

slight leaf curl. Aphids 2-3 mm, pale green to yellowish green, rather shiny, with three darker green dorsal length lines.

host plants

Rosaceae, monophagous

Prunus armeniaca, cerasifera, domestica & subsp. insititia, japonica, mahaleb, salicina, spinosa.


on Humulus, secondary host plant

Phorodon humuli: gall on Humulus lupulus

Humulus lupulus, Berghuizen © Ben van As

Phorodon humuli: gall on Humulus lupulus

underside, with aphids

Phorodon humuli: aptera on Humulus lupulus

Humulus lupulus, Engeland, Hampshire, Brockenhurst © Bob Dransfield & Bob Brightwell, InfluentialPoints

Phorodon humuli on Humulus lupulus

Humulus lupulus, Hungary, Mosonmagyaróvár, 19.vi.2020 © László Érsek

Phorodon humuli on Humulus lupulus

colony at leaf underside

Phorodon humuli on Humulus lupulus

aptera

Phorodon humuli on Humulus lupulus

detail, head

Phorodon humuli on Humulus lupulus

siphunculi

Phorodon humuli on Humulus lupulus

alate

Syrphidae larva on Humulus lupulus

predator: Syrphidae larva

gall

aphids at the underside of the leaves and in the inflorescence cause appreciable malformations. The aphids, 1-2 mm, are pale green with darker green median and lateral length lines.

host plants

Cannabaceae, monophagous

Celtis occididentalis; Humulus lupulus.

The record of Cydonia oblonga and Symphoricarpos albus by Ripka ao probably are exceptional.

notes

Both on the primary and on the secondary host this species plays a role as a virus vector.

references

Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b), Danielsson (1974a), Dauphin & Aniotsbehere (1997a), Heie (1994a), Hellrigl (2004a), Houard (1908a), Lampel (1988a), Lampel & Meier (2007a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Müller (1986a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Osiadacz & Wojciechowski (2008a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Rakauskas & Trukšinaitė (2011a), Ripka, Reider & Szalay-Marzsó (1998a), Suay Cano & González Funes (1998b), Tambs-Lyche (1970a), Tavares (1905a), Tomasi (2014a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).

Last modified 6.iv.2022