TY  - JOUR
TI  - New nearctic spider mites of the family Tetranychidae
T2  - Proceedings of the United States National Museum
VL  - 59
IS  - 2394
UR  - https://www.biodiversitylibrary.org/part/18502
PB  - Smithsonian Institution Press, [etc.]
CY  - Washington
PY  - 1921
SP  - 659
EP  - 666
DO  - 10.5479/si.00963801.59-2394.659
AU  - Ewing, H. E. (Henry Ellsworth),
ER  -