Mehmet Karaca (Ph.D.) is an acarologist, and especially works on systematic of zerconid mites (family Zerconidae).
Since 2015, many new species and new records of this family were presented from Turkey and Iran by him.
Besides mite taxonomy, his observations are continue on several invertebrata groups.

ResearchGate profile:
https://www.researchgate.net/profile/Mehmet-Karaca
Google Scholar profile:
https://scholar.google.com/citations?user=pMtCI1UAAAAJ&hl=tr

Taxa that I have described so far:
Olopachys magnoexudatus Moghimi, Ahadiyat, Kiadaliri & Karaca, 2019
Prozercon banazensis Urhan, Karaca & Duran, 2015
Prozercon caspiansis Moghimi, Ahadiyat, Karaca, Kiadaliri & Urhan, 2021
Prozercon didimensis Keçeci, Urhan & Karaca, 2021
Prozercon miraci Urhan, Karaca & Duran, 2020
Zercon ahadiyati Mohammad-Doustaresharaf, Karaca, Bagheri & Urhan, 2023
Zercon arslani Duran, Karaca & Urhan, 2017
Zercon azerbaijanensis Mohammad-Doustaresharaf, Karaca, Bagheri & Urhan, 2023
Zercon dilekensis Urhan & Karaca, 2023
Zercon dogani Bilki, Urhan & Karaca, 2022
Zercon ekizi Urhan, Duran & Karaca, 2016
Zercon emirdagicus Urhan, Duran & Karaca, 2016
Zercon filiformis Karaca & Urhan, 2016
Zercon geliboluensis Karaca & Urhan, 2016
Zercon izmirensis Urhan, Duran & Karaca, 2020
Zercon kadiri Karaca, 2019
Zercon karacasuensis Bulut, Urhan & Karaca, 2021
Zercon kastamonuensis Urhan & Karaca, 2019
Zercon manisaensis Urhan, Duran & Karaca, 2020
Zercon marmarisensis Bilki, Urhan & Karaca, 2022
Zercon muglaensis Bilki, Urhan & Karaca, 2022
Zercon ostovani Javan, Karaca & Urhan, 2018
Zercon persicus Kavianpour, Karaca, Karimpour & Urhan, 2018
Zercon semizi Urhan, Duran & Karaca, 2020
Zercon sklarsimilis Karaca & Urhan, 2016
Zercon tabrizensis Mohammad-Doustaresharaf, Karaca, Bagheri & Urhan, 2023
Zercon tekirdagensis Karaca & Urhan, 2016
Zercon thracicus Karaca & Urhan, 2016
Zercon tripolisensis Urhan, Karaca & Kassen, 2023