Linognathus(li-nog'nă-thŭs), In the diphthong gn, the g is silent only at the beginning of a word.
A genus of sucking lice (order Anoplura, family Linognathidae) that includes the species Linognathus africanus, the African blue louse of sheep and goats; Linognathus ovillus, the sheep body louse; Linognathus pedalis, the foot louse of sheep; Linognathus setosus, the sucking louse of the dog and other canids; Linognathus stenopsis, the sucking louse of goats; and Linognathus vituli, the "long-nosed" sucking louse, ox louse, or blue louse of cattle.
[G. linon, flax, thread, + gnathos, jaw]
a genus of sucking lice of the family Linognathidae, mostly parasitic on ungulates. Includes L. africanus (goats), L. ovillus (sheep face or blue louse), L. pedalis (on hairless parts of limbs of sheep, called also foot louse), L. setosus (fox, dog), L. stenopis (goat), L. vituli (cattle—called also long-nosed cattle louse).