Johnstonianidae

Johnstonianidae is a family of mites in the order Trombidiformes. There are about 7 genera and more than 20 described species in Johnstonianidae.

Genera
These seven genera belong to the family Johnstonianidae:
 * Centrotrombidium Kramer, 1896
 * Charadracarus Newell, 1960
 * Diplothrombium Berlese, 1910
 * Hirstiothrombium Oudemans, 1947
 * Johnstoniana George, 1909
 * Marcandreella Feider, 1957
 * Tetrathrombium Feider, 1955