Asterodiaspis variolosa (Ratzeburg, 1870)
golden pit scale
on Quercus

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).