Makhan, D. 2007a. Six new Pyramica species from Suriname (Hymenoptera: Formicidae). Calodema Supplementary Paper 24:1-7. PDF

Makhan, D. 2007b. Discothyrea soesilae sp. nov. from Suriname (Hymenoptera: Formicidae). Calodema Supplementary Paper 27:1-3. PDF

Makhan, D. 2007c. Pheidole soesilae sp. nov. from Suriname (Hymenoptera: Formicidae). Calodema Supplementary Paper 59:1-2. PDF

Makhan, D. 2007d. Thaumatomyrmex soesilae sp. nov. from Suriname (Hymenoptera: Formicidae). Calodema Supplementary Paper 58:1-3. PDF