| Main Ref. | Drake, A. and L. Wilson, 1991 |
|---|---|
| Place of Development | in sand or gravel |
| Shape of Egg | spherical |
| Attributes | with stalk, sticky |
| Color of Eggs | transparent |
| Color of Oil Globule | |
| Additional Characters | Eggs hatch after 30 to 40 days incubation at 4.4° to 7.2°C or in less than 21 days at 9.4° to 12.8°C (Ref. 27547). Each egg has a double membrane; the outer layer separates and turns inside out, forming a short stalk with the inner membrane and adhering to sand and gravel. |
| Get Information on | Scirus |