phthiriasis

[ thahy-rahy-uh-sis, thi- ]

/ θaɪˈraɪ ə sɪs, θɪ- /

crab lice infestation.

Origin of phthiriasis

1590–1600; < Greek phtheiríāsis, equivalent to phtheír louse + -iāsis -iasis

Pediculosis: a state of lousiness, or the abnormal condition caused by the multiplication of lice on the body: sec phthiriasis.

Explanation of Terms Used in Entomology |John. B. Smith
I shall now proceed to the remaining class of diseases mistaken for Phthiriasis; those, namely, which are produced by larv.

An Introduction to Entomology: Vol. I (of 4) |William Kirby
Phthiriasis: a diseased condition of the skin caused by sucking lice.

Explanation of Terms Used in Entomology |John. B. Smith
It has been said that the phthiriasis of the cat is occasioned by the abundance of ricini.

Animal Parasites and Messmates |P. J. Van Beneden

As an equine disorder this kind of phthiriasis was first described by Bouley.

Parasites |T. Spencer Cobbold

phthiriasis

/ (θɪˈraɪəsɪs) /

pathol the state or condition of being infested with lice; pediculosis

C16: via Latin from Greek, from phtheir louse

phthiriasis

[ thĭ-rī′ə-sĭs, thī- ]

Infestation with lice, especially crab lice; pediculosis.