y ga en idae . ▁It ▁is ▁found ▁in ▁North ▁Mac ed onia , ▁Greece ▁( including ▁Sam os ) ▁and ▁Turkey . ▁ ▁The ▁length ▁of ▁the ▁for ew ings ▁is ▁ 9 . 5 – 1 1 . 4   mm ▁for ▁males ▁and ▁ 9 . 4 – 1 0 . 5   mm ▁for ▁females . ▁Ad ult s ▁are ▁on ▁wing ▁from ▁June ▁to ▁July . ▁ ▁The ▁lar va e ▁mainly ▁feed ▁on ▁Hel ian th em um ▁can um , ▁but ▁have ▁also ▁been ▁recorded ▁feed ing ▁on ▁Hel ian th em um ▁grand if lor is , ▁Hel ian th em um ▁ge org icum ▁and ▁Hel ian th em um ▁num m ular ium . ▁The ▁first ▁three ▁inst ars ▁mine ▁the ▁leaves ▁of ▁their ▁host ▁plant . ▁The ▁mine ▁has ▁the ▁form ▁of ▁a ▁gallery ▁on ▁H . ▁ge org icum , ▁while ▁they ▁only ▁feed ▁on ▁the ▁par en chy ma ▁of ▁the ▁leaves ▁when ▁feed ing ▁on ▁H . ▁num m ular ium . ▁ ▁References ▁ ▁C . ▁M . ▁Na umann , ▁W . ▁G . ▁T rem ew an : ▁The ▁Western ▁Pala ear ctic ▁Z y ga en idae . ▁Apol lo ▁Books , ▁St en stru p ▁ 1 9 9 9 , ▁ ▁External ▁links ▁The ▁Bar code ▁of ▁Life ▁Data ▁Systems ▁( B OL D ) ▁ ▁Category : Proc rid inae ▁Category : M oth s ▁described ▁in ▁ 1 8 7 9