ki ▁re vised ▁the ▁Ty de inae ▁sub family , ▁this ▁time ▁using ▁orn ament ation ▁and ▁other ▁features , ▁and ▁re est ab lished ▁the ▁genus ▁L orry ia . ▁ ▁Description ▁ ▁In ▁L orry ia ▁form osa , ▁like ▁all ▁A car iformes ▁mit es , ▁the ▁capit ul um ▁is ▁the ▁head ▁segment ▁and ▁the ▁id ios oma ▁is ▁the ▁body ▁segment . ▁The ▁id ios oma ▁is ▁further ▁sub div ided ▁into ▁the ▁prop odos oma , ▁met ap odos oma , ▁and ▁op is th os oma . ▁The ▁Ty de inae ▁sub family , ▁to ▁which ▁L orry ia ▁form osa ▁belongs , ▁is ▁character ized ▁by ▁having ▁three ▁pairs ▁of ▁lyr if iss ures ▁( gro ov es ▁that ▁enc irc le ▁the ▁surface ▁of ▁an ▁append age ) ▁and ▁a ▁pair ▁of ▁primitive ▁eyes ▁( oc uli ) ▁which ▁commonly ▁occur ▁later ally ▁on ▁the ▁prop odos oma , ▁the ▁middle ▁body ▁segment ▁to ▁which ▁the ▁first ▁two ▁pairs ▁of ▁legs ▁are ▁attached . ▁The ▁gen ital ▁region ▁includes ▁a ▁pro gen ital ▁a pert ure ▁fl ank ed ▁by ▁set ae . ▁Spec im ens ▁are ▁generally ▁less ▁than ▁ 2 5 0   µ m ▁long . ▁ ▁Life ▁cycle ▁ ▁Life ▁cycles ▁of ▁L orry ia ▁form osa ▁are ▁character ized ▁by ▁six ▁distinct ▁development al ▁stages : ▁egg , ▁lar va , ▁pro ton ym ph , ▁de ut onym ph , ▁tr it onym ph , ▁and ▁adult .