ary . ▁ ▁The ▁wings pan ▁is ▁ 1 3 – 1 5   mm . ▁ ▁The ▁lar va e ▁feed ▁on ▁Tr ig lo chin ▁mar it ima ▁and ▁Tr ig lo chin ▁pal ust ris . ▁They ▁mine ▁the ▁leaves ▁of ▁their ▁host ▁plant ▁in ▁aut umn . ▁The ▁mine ▁has ▁the ▁form ▁of ▁a ▁broad , ▁transparent , ▁full ▁depth ▁gallery . ▁They ▁over w inter ▁in ▁the ▁rh iz ome , ▁and ▁bore ▁in ▁the ▁rh iz ome ▁or ▁stem ▁in ▁spring . ▁P up ation ▁takes ▁place ▁outside ▁of ▁the ▁mine . ▁ ▁References ▁ ▁Category : Sc rob ip al pa ▁Category : M oth s ▁described ▁in ▁ 1 8 8 9 <0x0A> </s> ▁Sir ▁Arthur ▁Smith ▁Wood ward , ▁F RS ▁( 2 3 ▁May ▁ 1 8 6 4 ▁– ▁ 2 ▁September ▁ 1 9 4 4 ) ▁was ▁an ▁English ▁p ala e ont ologist , ▁known ▁as ▁a ▁world ▁expert ▁in ▁foss il ▁fish . ▁He ▁also ▁described ▁the ▁Pil td own ▁Man ▁foss ils , ▁which ▁were ▁later ▁determined ▁to ▁be ▁fra ud ul ent . ▁He ▁is ▁not ▁related ▁to ▁Henry ▁Wood ward , ▁whom ▁he ▁replaced ▁as ▁cur ator ▁of ▁the ▁Ge ology ▁Department ▁of ▁the ▁British ▁Museum ▁of ▁Natural ▁History . ▁ ▁Biography ▁Wood ward ▁was ▁born ▁in ▁Mac cles field , ▁Ch esh ire , ▁England ▁and ▁was ▁educated ▁there ▁and ▁at ▁O w ens ▁College , ▁Manchester . ▁He ▁joined ▁the ▁staff ▁of ▁the