Audy, J.R. & Domrow, R. (1957). Malaysian parasites XXIII. A revision of Oriental and Australasian species of Euschoengastia Ewing, including Walchiella Fuller, and description of a new subgenus, Derrickiella (Acarina, Trombiculidae). Studies from the Institute for Medical Research, Federation of Malaya. 28: 121-152.
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Audy, J.R. & Domrow, R.
1957
Malaysian parasites XXIII. A revision of Oriental and Australasian species of Euschoengastia Ewing, including Walchiella Fuller, and description of a new subgenus, Derrickiella (Acarina, Trombiculidae).
Studies from the Institute for Medical Research, Federation of Malaya