Aculops tetanothrix

Aculops tetanothrix, also known as the willow gall mite, is a species of mite that belongs to the family Eriophydae. The mite is yellow, with brown or sometimes orange.^[1]

Aculops tetanothrix
Aculops tetanothrix on a Salix specimen.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Family:	Eriophyidae
Genus:	Aculops
Species:	A. tetanothrix
Binomial name
Aculops tetanothrix (Nalepa, 1889)

Aculops tetanothrix creates galls on Salix (willow) species. The galls initially are green, and later turn red.^[1]