ter fly ▁of ▁the ▁family ▁H esper i idae . ▁It ▁was ▁described ▁by ▁William ▁Chap man ▁H ew it son ▁in ▁ 1 8 6 6 . ▁It ▁is ▁found ▁in ▁Malays ia ▁and ▁Singapore , ▁as ▁well ▁as ▁on ▁Sum atra ▁and ▁Bor neo . ▁The ▁habitat ▁consists ▁of ▁fr ing es ▁of ▁secondary ▁for ests . ▁It ▁is ▁the ▁only ▁species ▁in ▁the ▁monot yp ic ▁genus ▁E et ion , ▁ere cted ▁by ▁Lion el ▁de ▁Nic é ville ▁in ▁ 1 8 9 5 . ▁ ▁The ▁wings pan ▁is ▁about ▁ 3 8   mm . ▁The ▁wings ▁are ▁dark ▁brown , ▁the ▁for ew ings ▁with ▁white ▁h yal ine ▁( glass - like ) ▁sp ots . ▁ ▁The ▁lar va e ▁probably ▁feed ▁on ▁Cle ist anth us ▁sum at ran us . ▁The ▁lar va e ▁create ▁leaf ▁sh el ters . ▁There ▁are ▁five ▁lar val ▁inst ars . ▁Full - g rown ▁lar va e ▁have ▁a ▁green ▁body ▁and ▁orange ▁head . ▁They ▁reach ▁a ▁length ▁of ▁about ▁ 4 0   mm . ▁P up ation ▁takes ▁place ▁within ▁the ▁leaf ▁shelter . ▁ ▁References ▁▁ ▁" E et ion ▁el ia ▁( H ew it son , ▁[ 1 8 6 6 ]) ". ▁In sect a . pro . ▁Retrieved ▁February ▁ 5 , ▁ 2 0 2 0 . ▁ ▁Category : But ter f lies ▁described ▁in ▁ 1 8 6 6 ▁Category : H