Aculus epiphyllus (Nalepa, 1892)

on Fraxinus

Aculus epiphyllus: galls on Fraxinus ornus

Fraxinus ornus, Bulgaria, Varna © Stéphane Claerebout

Aculus epiphyllus: galls on Fraxinus ornus

detail of the underside

gall

At one side, epiphyllous, irregular, yellowish pustules, 1-2 mm high, hollow below. But the mite can also induce hypophyllous, rust-coloured erinea, mainly along the midrib of the leaflets; they consist of multicellular, either blunt or acute hairs.

hostplants

Oleaceae, monophagous

Fraxinus angustifolia subsp. oxycarpa, excelsior, ornus, pennsylvanica.

synonyms

Phyllocoptes, Vasates, epiphyllus.

references

Béguinot (2006b), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Farkas (1965a), Houard (1909a), Jočić & Petanović (2012a), Petanović & Stanković (1999a), Redfern & Shirley (2011a), Ripka (2007a), Roivainen (1947a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a), Stănescu (2009a), Sylvén (1960a), Tomasi (2012a, 2014a).

mod 12.vii.2018