ps ▁Category : H ydro zo a ▁Category : C n id arian ▁orders <0x0A> </s> ▁Ph eng aris ▁x i ush ani ▁is ▁a ▁species ▁of ▁but ter fly ▁of ▁the ▁family ▁Ly ca en idae . ▁It ▁is ▁only ▁known ▁from ▁Y unn an ▁in ▁China . ▁ ▁The ▁for ew ing ▁length ▁is ▁ 2 1   mm ▁for ▁males . ▁The ▁female ▁is ▁similar , ▁but ▁slightly ▁larger ▁and ▁the ▁black ▁marg ins ▁of ▁both ▁wings ▁are ▁well ▁developed . ▁ ▁The ▁species ▁occurs ▁together ▁with ▁Ph eng aris ▁at rog utt ata ▁in ▁one ▁local ity , ▁which ▁is ▁probably ▁their ▁usual ▁habitat ▁within ▁und ist urbed ▁for ested ▁mountains . ▁ ▁Et ym ology ▁The ▁specific ▁name ▁refers ▁to ▁the ▁beautiful ▁mountain ▁on ▁the ▁s lop es ▁of ▁which ▁it ▁was ▁found ▁( X iu - Sh an ▁in ▁Chinese ▁means ▁“ be aut iful ▁mountain ” ), ▁and ▁to ▁Dr . ▁X i ush an ▁LI ▁who ▁brought ▁the ▁two ▁authors ▁of ▁this ▁description ▁together ▁and ▁who ▁has ▁committed ▁much ▁of ▁his ▁life ▁to ▁research ▁on ▁e col ogy ▁and ▁conservation ▁of ▁but ter f lies . ▁ ▁External ▁links ▁Notes ▁on ▁and ▁key ▁to ▁the ▁genus ▁Ph eng aris ▁( s . ▁str .) ▁( L ep id optera , ▁Ly ca en idae ) ▁from ▁main land ▁China ▁with ▁description ▁of ▁a ▁new ▁species ▁ ▁Category : Ph eng aris <0x0A> </s> ▁Ch ure t ▁( , ▁also ▁Roman ized ▁as ▁Ch ū ret