Plant Parasites of Europe

leafminers, galls and fungi

Eulachnus rileyi

Eulachnus rileyi (Williams, 1911)

active grey pine needle aphid, narrow brown pine aphid

on Pinus

Eulachnus riley on Pinus montezumae

Pinus montezumae, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

gall

Aphids 2-8 mm with a greyish, often rater coarse wax dusting, often resulting in transverse bands. Larvae in rows on the needles, adult aphids on the branches; they often cause yellowing and needle dropping. Not attended by ants; very agile.

host plants

Pinaceae, monophagous

Pinus banksiana, canariensis, cembra, contorta, halepensis, montezumae, mugo, nigra & subsp. laricio + pallasiana + salzmannii, peuce, pinaster, pinea, ponderosa radiata, rigida, strobus, sylvestris, uncinata.

synonyms

Eulachnus, Protolachnus, bluncki Börner, 1940; Eulachnus tauricus Bozhko, 1961 (cf Blackman & Eastop).

references

Albrecht (2017a), Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Barjadze, Japoshvili, Karaca & Özdemir (2014a), Basky (2015b), Blackman & Eastop (2017), Börner & Franz (1956a), González Funes & Michelena Saval (1988a), Heie (1995a), Influential Points (2017), Lampel & Burgener (1966a), Lampel & Meier (2003a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Mifsud, Pérez Hidalgo & Barbagallo (2009a), Müller (1986a), Nieto Nafría, Carnero Hernández & Mier Durante (1977a), Nieto Nafría & Mier Durante (1981a), Nieto Nafría, Mier Durante, Binazzi & Pérez Hidalgo (2002a), Seco Fernández, Mier Durante, Blaso Zumeta & Nieto Nafrîa (1998a), Núñez-Pérez & Tizado (1996a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Sanchís, Binazzi & Michelena (1996a), Suay Cano & González Funes (1998c), Tambs-Lyche & Heie (1984a), Wojciechowski, Depa, Halgoš ao (2016a).

Last modified 1.ii.2019