Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
formīcābĭlis, e, adj. [formica], resembling the creeping of ants (late Lat.): pulsus, Cael. Aur. Acut. 2, 27, 145.
Also called formīcālis pulsus, Cael. Aur. Tard. 2, 14, 198; cf. formicatio and formico, II.