▁margin ata ▁( F ab r ici us , ▁ 1 7 8 1 ) ▁ ▁Ar ima ▁margin ata ▁ob en berger i ▁H avel ka , ▁ 1 9 5 9 ▁ ▁Ar ima ▁margin ata ▁pseud ob rach yp tera ▁H avel ka , ▁ 1 9 5 9 ▁ ▁Distribution ▁This ▁species ▁is ▁only ▁found ▁in ▁the ▁S out heast ▁France ▁and ▁in ▁the ▁North western ▁Italy . ▁ ▁Description ▁Ar ima ▁margin ata ▁can ▁reach ▁a ▁body ▁length ▁of ▁about ▁ ▁in ▁females , ▁of ▁about ▁ ▁in ▁males . ▁ ▁Therefore ▁this ▁species ▁presents ▁a ▁clear ▁sexual ▁dim orphism , ▁as ▁females ▁are ▁generally ▁much ▁larger ▁than ▁males . ▁Moreover ▁females ▁out number ▁males . ▁▁ ▁These ▁be et les ▁are ▁sh iny ▁black ▁with ▁orange ▁marg inal ▁bands ▁on ▁the ▁edge ▁of ▁the ▁pron ot um ▁and ▁the ▁el y tra . ▁E ly tra ▁cover ▁only ▁two ▁ab dom inal ▁segments . ▁▁ ▁An ten na e ▁are ▁fil iform ▁and ▁the ▁ab d omen ▁is ▁vol umin ous . ▁The ▁last ▁stern ites ▁is ▁composed ▁by ▁one ▁piece , ▁in ▁the ▁shape ▁of ▁a ▁g ink o ▁leaf , ▁while ▁the ▁gen ital ▁plate ▁is ▁made ▁of ▁two ▁parts . ▁ ▁These ▁be et les ▁do ▁not ▁fly , ▁but ▁they ▁are ▁very ▁active . ▁ ▁Bi ology ▁Ad ult s ▁of ▁this ▁species ▁can ▁be ▁found ▁from ▁April ▁to ▁August , ▁and ▁have ▁one ▁generation ▁per ▁year ▁( un iv olt ine ).