▁The ▁average ▁lifetime ▁is ▁ 3 7 ▁days , ▁of ▁which ▁ 6 0 % ▁is ▁considered ▁ad ul th ood . ▁The ▁females ▁of ▁the ▁species ▁use ▁an ▁a sex ual ▁form ▁of ▁reprodu ction ▁where ▁the ▁growth ▁and ▁development ▁of ▁emb ry os ▁occurs ▁without ▁fert il ization ▁by ▁a ▁male ; ▁this ▁type ▁of ▁par then ogen esis , ▁where ▁females ▁are ▁produced ▁from ▁un fer til ized ▁eggs , ▁is ▁called ▁the ly to ky . ▁It ▁is ▁not ▁known ▁whether ▁the ▁int rac ell ular ▁end os ym b ion t ▁b acter ium ▁Wol bach ia ▁is ▁responsible ▁for ▁the ▁alter ation ▁in ▁re product ive ▁cap ability . ▁Wol bach ia , ▁a ▁genus ▁of ▁inherited ▁b acter ia ▁common ▁in ▁insect s , ▁are ▁known ▁to ▁alter ▁the ▁sex ▁ratio ▁in ▁ar th rop ods ▁and ▁mit es . ▁The ▁sex ▁ratio ▁is ▁also ▁greatly ▁influenced ▁by ▁the ▁host ▁plant : ▁one ▁study ▁found ▁that ▁on ▁cit rus , ▁ 3 0 % ▁of ▁the ▁population ▁were ▁males , ▁compared ▁to ▁ 6 2 % ▁males ▁when ▁re ared ▁on ▁gra pe f ruit . ▁Re ared ▁on ▁rub ber ▁trees , ▁the ▁percentage ▁of ▁males ▁in ▁the ▁population ▁dro ps ▁to ▁very ▁low , ▁or ▁nothing . ▁ ▁Hab itat ▁and ▁distribution ▁ ▁L orry ia ▁form osa ▁has ▁been ▁found ▁associated ▁with ▁ch ay ote ▁squ ash ▁( Se ch ium ▁ed ule ), ▁cit rus , ▁dah lia , ▁p ear ,