▁members ▁of ▁this ▁family ▁display ▁sexual ▁dim orphism , ▁males ▁are ▁bra ch yp ter ous , ▁which ▁means ▁that ▁they ▁have ▁reduced , ▁non - function al ▁wings . ▁A ▁unique ▁feature ▁of ▁this ▁sub family ▁is ▁that ▁all ▁the ▁known ▁species ▁are ▁primary ▁gall ▁form ers ▁on ▁B anks ia . ▁ ▁References ▁▁▁ ▁Australian ▁Fa unal ▁Directory ▁ ▁Austin , ▁A . D . ▁& ▁D anger field , ▁P . C . ▁( 1 9 9 8 ). ▁Bi ology ▁of ▁the ▁Mes osto a ▁ker ri ▁Austin ▁and ▁Wh art on ▁( In sect a : ▁H ymen optera : ▁Bra con idae : ▁Mes osto inae ), ▁an ▁en demic ▁Australian ▁was p ▁that ▁causes ▁stem ▁g alls ▁on ▁B anks ia ▁margin ata ▁Cav . ▁Aust . ▁J . ▁Bot . ▁ 4 6 : ▁ 5 5 9 - 5 6 9 ▁ ▁Category : Bra con idae ▁Category : H ymen optera ▁sub famil ies <0x0A> </s> ▁Pa ▁Q al atan - e ▁B ala ▁( , ▁also ▁Roman ized ▁as ▁P ā ▁Q al ā t ū n - e ▁B ā l ā ) ▁is ▁a ▁village ▁in ▁Sh amil ▁R ural ▁District , ▁Tak ht ▁District , ▁Band ar ▁Abb as ▁County , ▁H orm oz gan ▁Province , ▁Iran . ▁At ▁the ▁ 2 0 0 6 ▁census , ▁its ▁population ▁was ▁ 4 6 7 , ▁in ▁ 1 0 9 ▁families . ▁ ▁References ▁▁ ▁Category : Pop