Ambrysus lunatus

Usinger, 1946

creeping water bug

Ambrysus lunatus is a of creeping water bug in the Naucoridae. 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.

Ambrysus lunatus by (c) Matthew Pintar, some rights reserved (CC BY), uploaded by Matthew Pintar. Used under a CC-BY license.

Ambrysus lunatus by (c) Joseph Aubert, some rights reserved (CC BY), uploaded by Joseph Aubert. Used under a CC-BY license.

Pronunciation

How to pronounce Ambrysus lunatus: //æmˈbrɪsəs luˈneɪtəs//

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Images

Habitat

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

Distribution

Central America and North America.

Diet

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

Life Cycle

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

Behavior

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

Ecological Role

in freshwater stream .