▁average ▁by ▁ 3 5 %. ▁ ▁Although ▁the ▁sc out ▁ant ▁is ▁observed ▁to ▁lay ▁a ▁ph er om one ▁trail ▁on ▁the ▁return ▁journey ▁to ▁the ▁nest , ▁the ▁other ▁an ts ▁seem ▁to ▁be ▁unable ▁to ▁follow ▁this ▁trail ▁without ▁the ▁help ▁of ▁the ▁sc out . ▁The ▁sc out ▁ant ▁therefore ▁leads ▁the ▁ra id ▁from ▁the ▁front , ▁with ▁the ▁other ▁an ts ▁following ▁in ▁a ▁column - like ▁formation . ▁Rec ruit ment ▁time ▁var ies ▁between ▁ 6 0 ▁and ▁ 3 0 0 ▁seconds , ▁with ▁all ▁cast es ▁taking ▁part ▁in ▁a ▁ra id . ▁During ▁the ▁out ward ▁journey ▁towards ▁the ▁term ites , ▁all ▁an ts ▁are ▁lay ing ▁a ▁ph er om one ▁trail , ▁making ▁it ▁much ▁easier ▁for ▁them ▁to ▁find ▁their ▁way ▁back ▁to ▁the ▁nest ▁later ▁without ▁having ▁to ▁rely ▁on ▁the ▁sc out ▁ant . ▁ ▁Appro xim ately ▁ ▁before ▁contact ▁with ▁the ▁term ites , ▁the ▁ra iding ▁column ▁stops ▁and ▁ag gl omer ates ▁until ▁all ▁the ▁an ts ▁in ▁the ▁column ▁have ▁arrived , ▁forming ▁a ▁sort ▁of ▁circle ▁around ▁the ▁ra id ▁leader ▁( the ▁sc out ). ▁After wards ▁the ▁an ts ▁r ush ▁forward ▁towards ▁the ▁term ites ▁in ▁an ▁open ▁formation ▁and ▁over wh elm ▁their ▁pre y . ▁During ▁the ▁attack , ▁a ▁division ▁of ▁labour ▁can ▁be ▁observed . ▁While ▁the ▁maj ors ▁focus ▁mostly ▁on ▁breaking ▁up ▁the ▁protect ive ▁layer ▁over ▁the ▁for aging