| The Giant Water Bug is one of the largest insects in the US and Canada. Giant water bugs are approximately 1.5 inches (3.8 cm) in length. Some species grow as long as 4 inches (10 cm). Because it often turns up under street lights and porch lights, it is also one of the most asked about insects. It is commonly mistaken for a beetle or even a cockroach. Alternate names include toe biter because they can deliver a nasty bite, and electric light bug because they are attracted to lights. Habitat Clear, freshwater streams and ponds, preferring those with aquatic vegetation. Giant Water Bugs like slowly moving water, especially where there is emergent vegetation such as cattails. They usually grab hold of a plant near the surface, and stick their short breathing tube out of the water to allow them to breath while waiting for prey. With their powerful front legs they are able to grab other bugs and prey as big as small fish, frogs and salamanders. They pierce their prey with their sharp beak and secrete enzymes that dissolve the body tissues, thus allowing them to suck up the resulting liquid. Life Span One year or longer Diet Larvae eat small aquatic invertebrates, while adults prey on any small animal they can handle, including insects and other aquatic invertebrates. They also hunt vertebrates such as tadpoles, salamanders and small fish. Grasping and holding prey with their powerful forelegs, giant water bugs thrust their sucking mouthparts into their prey. Many Giant Water ... |
