▁away ▁from ▁the ▁parent al ▁col ony , ▁pair ▁up ▁and ▁form ▁a ▁new ▁col ony , ▁but ▁if ▁they ▁are ▁wing less ▁they ▁will ▁remain ▁within ▁the ▁parent al ▁col ony . ▁The ▁different ▁development al ▁routes ▁taken ▁by ▁these ▁two ▁morph s ▁are ▁usually ▁dependent ▁upon ▁food ▁avail ability ▁in ▁the ▁col ony , ▁or ▁varying ▁levels ▁of ▁par as it ism ▁within ▁the ▁col ony . ▁The ▁cas te ▁into ▁which ▁any ▁particular ▁n ym ph ▁will ▁develop ▁begins ▁to ▁become ▁apparent ▁among ▁the ▁late ▁inst ars ; ▁at ▁this ▁time , ▁potential ▁re product ives ▁will ▁begin ▁to ▁show ▁an ▁increase ▁in ▁the ▁size ▁of ▁the ▁g on adal ▁region . ▁ ▁Term ite ▁colon ies ▁may ▁be ▁ar b ore al , ▁m ound - like ▁or ▁sub ter rane an , ▁with ▁primitive ▁term ites ▁nest ing ▁completely ▁inside ▁en closed ▁structures ▁such ▁as ▁st umps ▁or ▁logs . ▁N est ▁construction ▁is ▁largely ▁from ▁the ▁term ites ' ▁own ▁fa ec al ▁matter , ▁other ▁materials ▁being ▁che wed ▁veget able ▁fib re , ▁which ▁makes ▁a ▁weak ▁cart on - like ▁but ▁water proof ▁subst ance , ▁and ▁soil , ▁which ▁makes ▁a ▁strong ▁subst ance , ▁but ▁which ▁is ▁subject ▁to ▁er os ion ▁by ▁water . ▁Aer ial ▁n ests ▁are ▁connected ▁to ▁the ▁ground ▁by ▁en closed ▁passage ways ; ▁the ▁soft - b od ied , ▁blind ▁workers ▁of ▁most ▁species ▁live ▁perman ently ▁in ▁their ▁protected ▁environments ▁and ▁do ▁not