Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. pĕdīcŭlārĭus, a, um, adj. [pediculus], of or belonging to lice, pedicular: staphis agria, quam herbam pediculariam quidam vocant, quod pediculos necat, lousewort, Scrib. Comp. 166.