S. J.  PARK, HOSHINA, H., and Ahn, K. J., ?New records of two Agathidiine genera and species, and key to the genera of the Agathidiini in Korea (Coleoptera: Leiodidae: Leiodinae)?, Insecta Koreana, vol. 20, pp. 95-101., 2003.

H.  HOSHINA and Sunada, T., ?The first record of the genus Hydnobius (Coleoptera, Leiodidae) from Japan with description of a new species?, JJse, vol. 9, pp. 107-111., 2003.

H.  HOSHINA, PARK, S. J., and Ahn, K. J., ?A taxonomic study of the genus Agathidium (Coleoptera Leiodidae) from Korea, part I?, RVsz, vol. 110, pp. 599-620., 2003.

H.  HOSHINA, ?Discovery of the subfamily Coloninae (Coleoptera, Leiodidae) from the Ryukyus, Japan, with description of a new species?, ELtk, vol. 31, pp. 209-213., 2003.

H.  HOSHINA, ?Discovery of a fourth Japanese species of the genus Besuchetionella (Coleoptera, Leiodidae) from Shikoku?, SBjc, vol. 6, pp. 133-136., 2003.