Geoscaptus
Geoscaptus is a genus of beetles in the family Carabidae, containing the following species:

 Geoscaptus cacus (W. J. Macleay, 1863)  (Indonesia, New Guinea, and Australia)
 Geoscaptus crassus Sloane, 1895  (Australia)
 Geoscaptus laevissimus Chaudoir, 1855  (Australia)
 Geoscaptus macleayi Chaudoir, 1879  (Australia)
 Geoscaptus plicatulus (Laporte, 1867)  (Australia)

Parasites
In Australia, Geoscaptus laevissimus is parasitized by a species of mite, Eutarsopolipus paryavae Katlav & Hajiqanbar, 2021 (Heterostigmatina) which dwells under the elytra. References

Scaritinae