Freshman Jolene Schaefer led the Mavericks with 3 hits in 4 at-bats and two run scored.
UTA scored its first run of the series with a winning run in the eighth inning.
UTA was held scoreless in consecutive games for just the second time this year.
UT Arlington fell to 17-19 overall and 2-7 in the Western Atheltic Conference.
UT Arlington falls to 17-17 overall and 2-5 in the WAC after losing to NMSU.