Observations were made by using an Olympus CX-33 (Olympus Imaging Corporation, Tokyo, Japan) light microscope. Photographs and drawings were taken by using a Sony Alpha 7II (Sony Corporation, Tokyo, Japan) digital camera attached to the Olympus CX-33. The figures were prepared with Adobe Photoshop 24.0.0 (Adobe, San Jose, CA, USA).
The morphological terminology follows Yoshizawa [20 ]. Abbreviations for body parts measured are: f1-fn: flagellomeres 1-n; mx2: second maxillary palp; mx4: fourth maxillary palp; ft1, ft2, ft3: first, second, and third tarsomere of foreleg; mt1, mt2, mt3: first, second, and third tarsomere of midleg; ht1, ht2, ht3: first, second, and third tarsomere of hindleg.
This manuscript has been registered in ZooBank under the number urn:lsid:zoobank.org:pub:683E3489-FE07-4E6D-9049-C28921BCAC53.