φθειρίαω

A. to be lousy, D.L. 5.5: esp. have the morbus pedicularis, Com. A desp. 280, Archig. ap. Gal. 12.463, Plu. Sull. 36; τοῖς ἐκ νόσου φθειριῶσι Dsc. 1.37; of bees, Gp. 15.2.13; of oxen, ib.17.29; also φθειριῶσα ἄμπελος Str. 7.5.8.