▁observed ▁to ▁visit ▁the ▁bug ▁during ▁the ▁day ▁while ▁it ▁is ▁feed ing , ▁but ▁no ▁observations ▁of ▁h oney de w ▁inter ception ▁were ▁possible . ▁ ▁The ▁land ▁sn ail ▁Pitt ier ia ▁aur ant ia ca ▁( pre viously ▁known ▁as ▁Eug land ina ▁aur ant ia ca ) ▁is ▁a ▁common ▁visitor ▁to ▁E .   s angu inea ; ▁it ▁positions ▁its ▁foot ▁above ▁the ▁bug ' s ▁ab d omen ▁so ▁that ▁it ▁can ▁intercept ▁h oney de w . ▁No ▁physical ▁contact ▁between ▁the ▁sn ail ▁and ▁the ▁bug ▁has ▁been ▁observed . ▁If ▁the ▁bug ▁moves ▁or ▁changes ▁the ▁direction ▁of ▁the ▁stream ▁of ▁h oney de w , ▁the ▁sn ail ▁is ▁able ▁to ▁re position ▁itself ▁quickly . ▁It ▁is ▁not ▁known ▁how ▁the ▁sn ails ▁find ▁the ▁bugs , ▁but ▁the ▁bugs ▁are ▁able ▁to ▁produce ▁v ibr ational ▁signals , ▁which ▁N ask reck i ▁and ▁N ish ida ▁suggested ▁the ▁sn ails ▁could ▁use ▁as ▁an ▁aid . ▁ ▁An ▁und es cribed ▁species ▁of ▁car p enter ▁ant , ▁genus ▁Cam pon ot us ▁( J TL - 0 0 5 ) ▁also ▁vis its ▁the ▁bug , ▁but ▁is ▁only ▁able ▁to ▁feed ▁when ▁the ▁sn ail ▁is ▁present , ▁pres umably ▁because ▁the ▁an ts ▁are ▁too ▁small ▁to ▁be ▁able ▁to ▁feed ▁on ▁the ▁h oney de w ▁stream ▁by ▁themselves . ▁The ▁an ts ▁clim b ▁onto ▁the ▁head ▁of ▁the ▁sn ail , ▁and