pt iles ▁described ▁in ▁ 1 7 9 9 ▁Category : Re pt iles ▁of ▁India ▁Category : T ax a ▁named ▁by ▁Johann ▁Friedrich ▁G mel in <0x0A> </s> ▁The ▁Hall owe en ▁p enn ant ▁( C el ith em is ▁e pon ina ) ▁is ▁a ▁species ▁of ▁drag on fly ▁in ▁the ▁family ▁Lib ell ul idae . ▁It ▁is ▁native ▁to ▁eastern ▁North ▁America , ▁including ▁Ontario ▁in ▁Canada ▁and ▁the ▁United ▁States ▁as ▁far ▁west ▁as ▁Colorado . ▁ ▁Description ▁The ▁Hall owe en ▁p enn ant ▁has ▁been ▁described ▁as ▁looking ▁very ▁similar ▁to ▁a ▁but ter fly . ▁Its ▁wings ▁are ▁entirely ▁orange - yellow ▁in ▁color ▁with ▁dark ▁brown ▁bands , ▁the ▁Hall owe en ▁insp iration ▁for ▁its ▁common ▁name . ▁Dragon f lies ▁of ▁its ▁genus ▁per ch ▁at ▁the ▁tips ▁of ▁plants , ▁w aving ▁in ▁the ▁b ree ze ▁like ▁p enn ants . ▁The ▁young ▁has ▁yellow ▁mark ings , ▁including ▁a ▁stri pe ▁on ▁its ▁back . ▁The ▁adult ▁male ▁and ▁female ▁may ▁develop ▁pale ▁red ▁mark ings , ▁especially ▁on ▁the ▁face . ▁This ▁species ▁is ▁about ▁ 3 8 ▁to ▁ 4 2 ▁mill im eters ▁long . ▁ ▁Distribution ▁and ▁habitat ▁This ▁species ▁occurs ▁in ▁eastern ▁North ▁America . ▁In ▁the ▁southern ▁part ▁of ▁its ▁range ▁it ▁is ▁in ▁season ▁all ▁year ▁round . ▁In ▁northern ▁lat itudes ▁it ▁can ▁be ▁seen ▁from ▁mid - J une ▁to ▁mid - August . ▁It ▁ranges ▁as