Dryocosmus mayri Müllner, 1901

Shachar, Einat, Melika, George, Inbar, Moshe & Dorchin, Netta, 2018, The oak gall wasps of Israel (Hymenoptera, Cynipidae, Cynipini) - diversity, distribution and life history, Zootaxa 4521 (4), pp. 451-498 : 474-475

Dryocosmus mayri Müllner, 1901

Host plants. Israel: Q. ithaburensis . Elsewhere: Q. ithaburensis , Q. cerris and Q. macrolepis .

Life history. Known only from the bud galls of the sexual generation, which are irregularly spherical masses, up to 20 mm in diameter, composed of 6–20 units, each with a single larval chamber ( Fig. 46 ). They are light green to deep purple, sometimes with white hairs apically, and are very sticky.

Phenology. Galls begin to develop in February and adults emerge from them in late February-March. Distribution. Israel: Mezar, Bet Keshet Forest, Hosha'aya, Alonim, Tiv’on, HaSharon Forest. Elsewhre: Austria, Hungary, Ukraine, Greece, Turkey and Jordan.

Figures

FIGURES 41–46. Galls on Quercus ithaburensis. 41. Synophrus politus, sexual generation; 42. Synophrus olivieri sexual generation; 43. Andricus miriami, asexual generation; 44. Same, old gall; 45. Chilaspis israeli, sexual generation; 46. Dryocosmus mayri, sexual generation.