Trisetacus quadrisetus (Thomas, 1889)
on Juniperus

Juniperus communis, Belgium, prov. Namur, Viroinval, Treignes, Tienne d’Al Vau © Stéphane Claerebout

frontal view

Juniperus communis, Kampsheide (Dr.) © Ben van As
gall
Fruit gall. The berry is slightly swollen, and the fusion of its three parts apically is incomplete, leaving a triradiate fissure.
host plants
Cupressaceae, monophagous
Juniperus communis, phoenicea.
references
Béguinot (2002e, 2003b, 2006b), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Farkas (1965a), Garcia (1998a), Hellrigl (2003a), Houard (1908a), Keifer, Baker, Kono ao (1982a), Kiedrowicz, Lewandowski & Skoracka (2016a), Lambinon, Carbonnelle & Claerebout (2015a), Lewandowski, Skoracka, Szydło ao (2014a), Redfern & Shirley (2011a), Ribes Escolà & Askew (2009a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a).