Giant Water Bug

Lethocerus insulanus is a species of giant water bug of the family Belostomatidae. Its common name is the giant water bug, but it is also called the electric light bugor giant fishkiller. These names are also used for various other members of the family, including the other Australian species, L. distinctifemur, which is similar to L. insulanus.
== Description ==
Lethocerus insulanus is very large, with adults typically reaching a length of 5–7 cm (2.0–2.8 in). It uses a posterior syphon like a snorkel to breathe underwater while hunting.
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