The 16th International Congress of Acarology was successfully conducted from December 1 to 5, 2022, at the Owen G. Glenn Building, The University of Auckland, in Auckland, New Zealand. The event saw a total of 259 attendees from 32 different countries or regions, with two-thirds of them participating virtually. Besides the opening and closing ceremonies, the congress included (1) five plenary keynote presentations (one each day), (2) 52 invited presentations across eight symposia, 93 presentations in 10 subject sections, and 19 poster flash presentations in two parallel sessions, and (3) 16 poster presentations. This congress was the first of its kind to publish the proceedings before the event began and to provide video recordings for the participants and potentially the wider community.