Takagi, S., Pong, T.Y., & Khoo, S.G. 1989 Beginning with Diaulacaspis (Homoptera: Coccoidea: Diaspididae): Convergence or effect?. Insecta Matsumurana (New Series) 42: 143-199.

Notes: Abstract: Revisions of genera Diaulacaspis & Rutherfordia; descriptions of their larval instars; 2 new spp. described from Malaya (Diaulacaspis xerospermi & Rutherfordia shoreae); descriptions of 4 other spp.