ac ic ▁bands . ▁They ▁fly ▁all ▁summer ▁and ▁make ▁the ▁n ests ▁in ▁holes ▁in ▁the ▁ground , ▁walls ▁or ▁trees , ▁with ▁hair s ▁pl uck ed ▁from ▁plants . ▁ ▁Most ▁Anth id ium ▁species ▁are ▁leaf - cut ting ▁be es ▁who ▁use ▁con ifer ▁res in , ▁plant ▁hair s , ▁earth , ▁or ▁a ▁combination ▁of ▁these ▁as ▁material ▁for ▁the ▁nest ▁walls . ▁Their ▁ab dom inal ▁bands ▁are ▁usually ▁interrupted ▁in ▁the ▁middle . ▁There ▁is ▁no ▁lo be ▁( ar ol ium ) ▁between ▁their ▁cla ws . ▁Anth id ium ▁man ic atum ▁is ▁commonly ▁known ▁as ▁the ▁w ool ▁card er ▁be e ▁which ▁uses ▁comb like ▁mand ibles ▁to ▁" comb " ▁plant ▁fib ers ▁into ▁its ▁bro od ▁cell ▁walls . ▁It ▁has ▁spread ▁from ▁Europe ▁to ▁North ▁and ▁South ▁America . ▁The ▁males ▁are ▁much ▁larger ▁( ca . ▁ 1 8   mm ) ▁than ▁the ▁females ▁( ca . 1 2   mm ) ▁which ▁is ▁not ▁un common ▁among ▁Meg ach il idae , ▁but ▁very ▁rare ▁among ▁other ▁be e ▁families ▁( e . g ., ▁the ▁true ▁h oney ▁be es , ▁genus ▁A pis ). ▁The ▁males ▁also ▁have ▁three ▁" th orn s " ▁at ▁their ▁ab dom inal ▁a pe x ▁which ▁they ▁use ▁as ▁weapons ▁when ▁def ending ▁their ▁territory . ▁ ▁Species ▁The ▁following ▁is ▁an ▁incomplete ▁list ▁of ▁species ▁and ▁four ▁species ▁have ▁been ▁described ▁from ▁the ▁foss