▁in ▁a ▁la va ▁t ube . ▁ ▁The ▁relationship ▁of ▁Syn empor ion ▁relative ▁to ▁other ▁v esper ▁bat ▁gener a ▁is ▁incon clus ive . ▁Research ers ▁have ▁been ▁unable ▁to ▁extract ▁its ▁DNA ▁from ▁foss ils , ▁which ▁is ▁the ▁only ▁reliable ▁way ▁to ▁examine ▁ph y log en etic ▁relationships ▁in ▁this ▁family ▁of ▁b ats . ▁It ▁is ▁unclear ▁if ▁Syn empor ion ▁colon ized ▁the ▁Hawai ian ▁Islands ▁from ▁the ▁Old ▁World ▁or ▁the ▁New ▁World ; ▁most ▁likely ▁it ▁belonged ▁to ▁one ▁of ▁the ▁tribes ▁of ▁sub family ▁V esper til ion inae ▁which ▁make ▁up ▁the ▁bulk ▁of ▁v esper ▁b ats ▁but ▁this ▁is ▁simply ▁assumed ▁because ▁the ▁minor ▁sub famil ies ▁of ▁v esper ▁b ats ▁as ▁well ▁as ▁the ▁V esper til ion inae ▁tribes ▁were ▁all ▁well ▁distinct ▁from ▁each ▁other ▁already ▁by ▁the ▁time ▁Syn empor ion ▁became ▁a ▁separate ▁line age . ▁But ▁few ▁ske let al ▁characteristics ▁are ▁known ▁to ▁reli ably ▁indicate ▁relationships ▁among ▁the ▁v esper ▁b ats , ▁so ▁all ▁that ▁can ▁be ▁said ▁at ▁present ▁is ▁that ▁it ▁la cks ▁obvious ▁tra its ▁suggesting ▁it ▁belongs ▁to ▁one ▁of ▁the ▁minor ▁v esper ▁bat ▁sub famil ies . ▁ ▁Description ▁It ▁was ▁a ▁relatively ▁small ▁species ▁of ▁bat , ▁with ▁linear ▁measurements ▁about ▁ 2 5 % ▁smaller ▁than ▁the ▁Hawai ian ▁ho ary ▁bat ▁which ▁we igh s ▁ 1 0 - 1 5 ▁gr ams ▁and ▁has ▁a ▁wings pan ▁of ▁around