D. antilope sp. n. (holotype <J: East New Britain, Wanui Camp, 17-III-2000) and D. taurulus sp. n. (holotype 6: Eastern Highlands prov., Herowana, 13-XI-2001) are described. The holotypes are deposited in South Australian Museum, Adelaide. Diagnostic characters of the adults are illustrated and the affinities of both spp. are discussed.