M.  Koponen, ?Two species of Trachyusa Ruthe, 1854 (Hymenoptera, Braconidae, Alysiinae) in Finland. ?, Entomologica Fennica, vol. 10, pp. 199-200, 1999.

M.  Fischer and Koponen, M., ?A survey of Opiinae (Hymenoptera, Braconidae) of Finland, part 2.?, Entomologica Fennica, vol. 10, pp. 129-160, 1999.

M.  Fischer and Koponen, M., ? A survey of Opiinae (Hymenoptera, Braconidae) of Finland, part 1.?, Entomologica Fennica, vol. 10, pp. 65-93, 1999.