Ambrysus arizonus

La Rivers, 1951

Ambrysus arizonus is a creeping water bug ( Naucoridae) in the Ambrysus guttatipennis . It is distributed in both the United States and Mexico, with recent records extending its known range into Mexico. As a member of the Cryphocricinae , it shares the characteristic saucer-like, flattened body form and aquatic lifestyle typical of this group.

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

Pronunciation

How to pronounce Ambrysus arizonus: //ˈæmbɹɪsəs æɹɪˈzoʊnəs//

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Identification

Belongs to the Ambrysus guttatipennis , united with other by features of male genitalia and associated structures in both sexes. Distinguished from by specific genitalic characters detailed in taxonomic revisions.

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Habitat

Running streams; clings to rocks and gravel with powerful claws in turbulent aquatic environments.

Distribution

Mexico and the United States; newly recorded from Mexico in addition to previously known U.S. records.

Life Cycle

Hemimetabolous development without larval or pupal stages; nymphs resemble , differing primarily in size, wing development, and sexual maturation.

Similar Taxa

  • Ambrysus guttatipennisType of the ; shares genitalic characteristics uniting the complex
  • Ambrysus mormonWidest-ranging in the complex; both species occur in Mexico and the United States
  • Ambrysus bispinusAlso distributed in Mexico and Guatemala; member of same with similar genitalic features

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Sources and further reading