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"An order of the class Arachinida, includes those insects, as the mites, ticks, itch-insects, etc., which are without a definite line of demarktationbetween the unsegmented abdomen appearing united in one."-Whitney, 1902

Acarida

"An order of the class Arachinida, includes those insects, as the mites, ticks, itch-insects, etc.,…

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." — Williams, 1889

Itch-mite

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." — Williams, 1889

Also known as Rhus radicans or rhus toxicodendron. The leaves of this plant produces urushiol, which causes an itching rash to anyone who touches it.

Poison Ivy

Also known as Rhus radicans or rhus toxicodendron. The leaves of this plant produces urushiol, which…

A disease caused by a minute insect, the acarus scabiei, which bores into and underneath the epidermic layer of the skin.

Scabies

A disease caused by a minute insect, the acarus scabiei, which bores into and underneath the epidermic…

"The burrow of the itch insect that causes scabies." — Richardson, 1906

Scabies

"The burrow of the itch insect that causes scabies." — Richardson, 1906