Ambrysus lunatus

Usinger, 1946

creeping water bug

Ambrysus lunatus is a of in the . It occurs in Central America and North America. The A. lunatus lunatus has been described with documented stages. Like other members of the Ambrysus, it is an aquatic inhabiting running streams.

Habitat

Running streams; aquatic in both nymphal and stages. Members of the Ambrysus cling to rocks and gravel in turbulent water using powerful .

Distribution

Central America and North America.

Diet

; preys on other and small fish. Uses hard to pierce and draw up inner fluids through straw-like mouthparts.

Life Cycle

development without larval or pupal stages; resemble , with changes primarily in size and development of and sexual organs. stages have been described for A. lunatus lunatus.

Behavior

Clings to substrate in flowing water using powerful . Breathes underwater using a bubble of air tucked under the ; dissolved oxygen diffuses into the bubble from the water.

Ecological Role

in freshwater stream .