va ▁in ▁the ▁l ungs ▁of ▁hosts ▁and ▁under go ▁three ▁n ym ph ▁stages . ▁The ▁whole ▁life ▁cycle ▁can ▁take ▁place ▁in ▁ 2 0 ▁days ▁under ▁ideal ▁conditions . ▁E gg s ▁do ▁not ▁h atch ▁while ▁the ▁host ▁is ▁hi bern ating . ▁ ▁Econom ic ▁impact ▁and ▁treatment ▁Sl ug ▁mit es ▁are ▁a ▁concern ▁for ▁commercial ▁and ▁h ob by ist ▁bre ed ers ▁of ▁sn ails ; ▁as ▁few ▁as ▁six ▁mit es ▁can ▁sick en ▁an ▁individual ▁and ▁make ▁it ▁sus cept ible ▁to ▁in fection ▁by ▁thread w orm s ▁and ▁b acter ia ▁such ▁as ▁Pseud omon as ▁aer ugin osa . ▁C ounter me asures ▁include ▁regular ▁was hing ▁and ▁introduction ▁of ▁Hy po as pis ▁miles , ▁a ▁pre dat ory ▁species ▁of ▁m ite ▁which ▁fe eds ▁upon ▁sl ug ▁mit es . ▁ ▁References ▁▁ ▁Ba ur ▁B . ▁and ▁Sch up bach ▁H . U . ▁( 2 0 0 8 ). ▁" Par as it ic ▁mit es ▁influence ▁fit ness ▁components ▁of ▁their ▁host , ▁the ▁land ▁sn ail ▁a ri anta ▁ar b ust ror um ". ▁In verte br ate ▁bi ology , ▁ 1 2 7 ▁( 3 ), ▁ 3 5 0 - 3 5 6 ▁ ▁Ba ur ▁A . ▁and ▁Ba ur ▁B . ▁( 2 0 0 5 ). ▁" Inter pop ulation ▁variation ▁in ▁the ▁pre val ence ▁and ▁intensity ▁of ▁par as it ic ▁m ite ▁in