, ▁v ibr ational ▁communication , ▁kin ▁recognition , ▁trail ▁following , ▁al log room ing , ▁care ▁of ▁the ▁bro od , ▁cro pping ▁of ▁anten na e ▁and ▁certain ▁m ating ▁behav i ours . ▁In ▁some ▁of ▁these ▁behav i ours , ▁there ▁are ▁marked ▁similar ities ▁between ▁term ites ▁and ▁ju ven ile , ▁but ▁not ▁adult , ▁co ck ro aches . ▁During ▁the ▁evolution ▁of ▁e uso cial ity , ▁the ▁individuals ▁need ▁to ▁share ▁a ▁desire ▁to ▁group ▁together . ▁Ju ven ile ▁co ck ro aches ▁have ▁a ▁t endency ▁to ▁aggregate ▁while ▁adult s ▁often ▁comp ete ▁ag gress ively ▁with ▁each ▁other ▁for ▁space ▁and ▁resources . ▁Similarly , ▁gro oming ▁and ▁being ▁gro omed ▁is ▁common ▁in ▁term ite ▁colon ies ▁but ▁al log room ing ▁is ▁not ▁a ▁behaviour ▁generally ▁engaged ▁in ▁by ▁co ck ro aches ▁although ▁individuals ▁gro om ▁themselves . ▁An ▁exception ▁to ▁this ▁is ▁the ▁co ck ro ach ▁C rypt oc erc us , ▁which ▁seems ▁to ▁be ▁more ▁closely ▁related ▁to ▁the ▁term ites ▁than ▁to ▁other ▁co ck ro aches . ▁ ▁Here ▁ju ven iles ▁gro om ▁each ▁other ▁and ▁also ▁gro om ▁adult s . ▁ ▁Both ▁groups ▁are ▁also ▁affected ▁by ▁their ▁social ▁environments . ▁A ▁single ▁term ite , ▁kept ▁alone , ▁has ▁a ▁significantly ▁decre ased ▁level ▁of ▁vig our ▁and ▁a ▁shorter ▁lif es pan ▁than ▁when ▁two ▁are ▁kept ▁together . ▁An ▁isolated ▁co ck ro ach