▁wings pan ▁of ▁ 1 5   mm ▁and ▁the ▁female ' s ▁is ▁ 1 9   mm . ▁ ▁Distribution ▁It ▁is ▁distributed ▁throughout ▁the ▁countries ▁of ▁India , ▁Sri ▁L anka , ▁China , ▁My an mar , ▁Sum atra , ▁Bor neo , ▁Java ▁and ▁parts ▁of ▁Africa . ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : M oth s ▁of ▁Asia ▁Category : M oth s ▁described ▁in ▁ 1 8 5 4 ▁Category : T ax a ▁named ▁by ▁Francis ▁Walker <0x0A> </s> ▁In ▁mole cular ▁bi ology , ▁mir - 7 2 0 ▁micro R NA ▁is ▁a ▁short ▁R NA ▁mole c ule . ▁Micro R N As ▁function ▁to ▁reg ulate ▁the ▁expression ▁levels ▁of ▁other ▁gen es ▁by ▁several ▁mechan isms . ▁ ▁Cong en ital ▁Ne ural ▁T ube ▁De fect s ▁mi R - 7 2 0 ▁expression ▁has ▁been ▁found ▁to ▁vary ▁in ▁the ▁ser um ▁levels ▁of ▁women ▁carrying ▁fet uses ▁with ▁and ▁without ▁neural ▁t ube ▁defect s . ▁mi R - 7 2 0 ▁is ▁significantly ▁down reg ulated ▁following ▁child ▁delivery , ▁thus ▁suggesting ▁a ▁role ▁in ▁pre gn ancy ▁as ▁well ▁as ▁a ▁possible ▁pla cent al ▁deriv ation . ▁ ▁mi R - 7 2 0 ▁U pre g ulation ▁mi R - 7 2 0 ▁is ▁up reg ulated ▁in ▁my el od ys pl astic ▁synd rom es , ▁in ▁mol ar ▁to oth ▁germ ▁in ▁new born ▁m ice ▁following ▁anti