ler ▁ ▁References ▁▁ ▁Category : Al tern ate ▁reality ▁games <0x0A> </s> ▁Dec l ana ▁e greg ia , ▁commonly ▁called ▁the ▁South ▁Island ▁l ichen ▁moth ▁or ▁z eb ra ▁l ichen ▁moth , ▁is ▁a ▁moth ▁in ▁the ▁family ▁Ge omet r idae , ▁en demic ▁to ▁New ▁Zealand . ▁This ▁species ▁was ▁first ▁described ▁by ▁ent om olog ists ▁Baron ▁C aj et an ▁von ▁Fel der ▁and ▁Alo is ▁Friedrich ▁R ogen ho fer ▁in ▁ 1 8 7 5 ▁under ▁the ▁name ▁Ch len ias ▁e greg ia . ▁ ▁This ▁species ▁res emb les ▁the ▁North ▁Island ▁l ichen ▁moth ▁but ▁has ▁fewer ▁and ▁co ar ser ▁wing ▁mark ings . ▁It ▁is ▁found ▁only ▁in ▁the ▁South ▁Island ▁and ▁Stewart ▁Island . ▁ ▁The ▁c ater p ill ars ▁of ▁Dec l ana ▁e greg ia ▁feed ▁in ▁summer ▁on ▁Pseud op an ax ▁species , ▁especially ▁five - f inger ▁( P se ud op an ax ▁ar b ore us ), ▁mountain ▁five - f inger ▁( P . ▁col ens oi ), ▁and ▁lance wood ▁( P . ▁cr ass if ol ius ). ▁They ▁are ▁well - cam ou fl aged , ▁res emb ling ▁a ▁small ▁bird - dro pping ▁when ▁young ▁and ▁a ▁Pseud op an ax ▁fruit ▁when ▁older . ▁Lar ger ▁lar va e , ▁up ▁to ▁ 3 0   mm ▁long , ▁look ▁like ▁l ichen - cover ed ▁tw igs ▁and ▁hold ▁themselves ▁st