May 5, 2009 04:36 by
AlanA mass of baby Giant Water Bugs (Lethocerus insulanus) have recently hatched in our behind-the-scenes facility. These insects are largest true bugs in Australia; adults may measure up to 70mm long. This is the second time we have bred this species in captivity, and as a result we are learning a great deal about them. The female lays her eggs on a stick above the water-line, and the eggs only take ten days to hatch. When the young (nymphs) hatch, they simply drop into the water and begin life as fierce underwater predators just like their parents.
Baby Giant Water Bugs hatching from eggs just above the water. Photo: Alan Henderson Source: Museum Victoria
A hatchling perched upon the thermometer under the water. Photo: Alan Henderson Source: Museum Victoria
An adult and hatchling showing the size difference. Photo: Alan Henderson Source: Museum Victoria
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