About Waterbugs

The scientific name for the giant water bug is Lethocerus sp., according to Texas A&M University. Waterbugs are commonly called electric light bugs because of their attraction to light bulbs. Water bugs resemble a cross between a crockroach and a praying mantid, according to the University of Kentucky. Giant waterbugs are not considered pests, but a bite from a waterbug can be extremely painful. Individuals will rarely experience a severe allergic reaction from a waterbug bite. There are approximately 150 different species of waterbugs, but the most common one is the giant waterbug.

  1. Size

    • Mature waterbugs can grow to over 2 inches in length, according to Texas A&M University. The width of a common waterbug is usually 3/4-inch wide, according to Washington State University.

    Characteristics

    • Waterbugs have a green-brown color, according to Texas A&M University. Front legs of the water bug are used for capturing and holding prey. Front wings of waterbugs have a leathery base with other wing areas that have well defined veins. At the end of the abdomen there is a rod shaped structure used for breathing. Waterbugs have an additional two pairs of legs that are used for swimming. They use their mouth parts to suck fluid out of their prey. Waterbugs will often fly away from their pond to look for another pond or a mate.

    Habitat

    • Waterbugs live in ponds, pools, slow ditches and other watery habitats, according to Texas A&M University. Waterbugs do best in slow moving water and are found mainly in areas with abundance of aquatic vegetation. Adults have the ability fly and are attracted to bright lights. Waterbugs are commonly found in North America, according to Clemson University.

    Diet

    • Waterbugs feed mainly on aquatic vertebrates and invertebrates like minnows, frogs, tadpoles and other aquatic insects, according to the University of Kentucky. Waterbugs are ambush predators that wait to surprise their prey while waiting in aquatic vegetation. After its prey swims too close the waterbug will piece it with its sharp beak and injects it with paralyzing fluids. Waterbugs have predators including fish and large insects and spiders.

    Quick Facts

    • Waterbugs share a similar trait to sea horses as males nurture eggs that are glued to their back until they hatch, according to Washington State University. Dead waterbugs are often found below street lamps because their attracted away from their natural habitat to bright street lights.