▁to ▁the ▁sat yr ▁family ▁that ▁is ▁found ▁mainly ▁in ▁S out heast ▁Asia ▁and ▁in ▁parts ▁of ▁South ▁Asia . ▁ ▁It ▁is ▁about ▁ 5 0 – 5 5   mm ▁in ▁exp anse ▁with ▁the ▁upper ▁surface ▁of ▁wings ▁pre domin antly ▁brown ▁in ▁colour . ▁The ▁for ew ing ▁has ▁a ▁sub - ap ical ▁white ▁band ▁and ▁pale ▁spot ▁on ▁the ▁a pe x . ▁Und ers ide ▁of ▁the ▁h ind wing ▁has ▁a ▁large ▁o cell us ▁or ▁and ▁a ▁series ▁of ▁sp ots ▁along ▁the ▁margin . ▁It ▁is ▁found ▁in ▁b am bo o ▁for ests . ▁ ▁Description ▁▁ ▁H ind wing ▁dent ate ▁at ▁a pe x ▁of ▁ve in ▁ 4 . ▁U ppers ide ▁ground ▁colour ▁V andy ke ▁brown ; ▁for ew ing ▁crossed ▁by ▁an ▁ob lique , ▁slightly ▁cur ved , ▁dis cal ▁white ▁band , ▁the ▁marg ins ▁of ▁the ▁band ▁more ▁even ▁and ▁regular ▁than ▁in ▁the ▁female ▁of ▁Let he ▁ro h ria ; ▁beyond ▁this ▁are ▁two ▁ob liqu ely ▁placed ▁pre ap ical ▁white ▁sp ots . ▁H ind wing ▁uniform , ▁o cel li ▁of ▁the ▁unders ide ▁showing ▁through . ▁ ▁Und ers ide ▁uniform ▁brown ; ▁for ew ings ▁and ▁h ind w ings ▁with ▁sub bas al , ▁sub term inal ▁and ▁terminal ▁sin uous ▁l il ac ine - white ▁lines ; ▁for ew ing ▁with ▁the ▁ob lique ▁dis cal ▁white ▁bar ▁as ▁on ▁the ▁upp