Schlotheim thought that the spines on Agnostus pisiformis were segmented and compared them with the antenn of acarus.
acarus farinæ DeGeer, as its name indicates, is found in flour.
A parasite known as the acarus folliculorum infests the sebaceous glands.
Yet the acarus has eight legs, like a spider, and the harvest-bug six, like an insect.
To the invasion of the cutaneous structures by an animal parasite, the sarcoptes scabiei (acarus scabiei).
It would be an acarus, he observes, but it has only six legs.
We have seen a remarkable instance of this in the acarus marginatus of Hermann.
It has not been demonstrated that the acarus so common in flour has had any injurious effect when eaten.
The acarus autumnalis, or mower's mite, has been found in the skin of this part, and it is capable of causing great distress.
We now come to the genus acarus (Tyroglyphus), of which the cheese and sugar mites are examples.
Acarus Ac·a·rus (āk'ə-rəs)
A genus of mites.