Quercus kelloggii, USA, California, Ross © United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

gall

Scales on the branches. Around each individual scale a low ride develops; heavily infested branches become knobby and malformed; also bark cracks may develop. Mainly found at the tip of the branches.

hostplants

Fagaceae, monophagous

Quercus “aegilops”, cerris, coccifera, frainetto, ilex, lusitanica, palustris, petraea, pubescens, robur, rubra, suber.

synonyms

Asterolecanium variolosum.

gall

only a microscopical examination allows separation from A. minor and A. quercicola; all three species may occur on the same tree.

references

Béguinot (2000b), Buhr (1965a), Carnero Hernandez & Perez Guerra (1986a), Ćwierzyk & Dziedzicka (1987a), Dauphin & Aniotsbehere (1997a), Dziedzicka (1988a), Gertsson (2016a), Gill (1993a), Gomez-Menor Ortega (1960a), Hellrigl (2004a), Jansen (1999b, 2013a), Koops (2013a), Kozár, Guignard, Bachmann ao (1994a), Kozár & Ostafichuk (1987a), Malumphy (2009a, 2010a), Malumphy & Badmin (2012a), Malumphy & Ostrauskas (2009a), Malumphy, Ostrauskas & Pye (2008a, 2010a), Malumphy & Kahrer (2011a), Masten Milek, Seljak, Šimala ao (2016a), O’Connor, Gertsson & Malumphy (2013a), Redfern & Shirley (2011a), Roskam (2009a), Seljak (2010a), ScaleNet, Spodek, Ben-Dov & Mendel (2013a), Trencheva, Gounari, Trenchev & Kapaxidi (2009a), Trencheva, Trenchev, Tomov, ao (2012a), Williams (2010a).