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).

mod 1.ii.2019