| Type | Article |
| Authors(s) | Tawfik, M.F.S., S.I. El-Sherif & A.F. Lutfallah |
| Year | 1978a |
| Title | The biology of Sphaerodema urinator Duf. (Hemiptera: Belostomatidae) |
| Volume | 86 |
| Page(s) | 226-273 |
| Published in/Publisher | Zeitschrift für Angewandte Entomologie |
| Type | Article |
| Authors(s) | Tawfik, M.F.S., S.I. El-Sherif & A.F. Lutfallah |
| Year | 1978a |
| Title | The biology of Sphaerodema urinator Duf. (Hemiptera: Belostomatidae) |
| Volume | 86 |
| Page(s) | 226-273 |
| Published in/Publisher | Zeitschrift für Angewandte Entomologie |