Atlanticus

Scudder, 1894

Eastern Shieldbacks

Atlanticus is a of in the , commonly known as eastern shieldbacks. The genus comprises at least 50 described distributed discontinuously across North America and temperate eastern Asia. These belong to the tribe Drymadusini within the Tettigoniinae. Species in this genus are predatory, possessing enlarged adapted for capturing and consuming other insects.

Atlanticus glaber by (c) Arturo Santos, some rights reserved (CC BY), uploaded by Arturo Santos. Used under a CC-BY license.Atlanticus davisi by (c) brendanboyd, some rights reserved (CC BY). Used under a CC-BY license.The Canadian field-naturalist (1973) (20520622615) by Internet Archive Book Images. Used under a No restrictions license.

Pronunciation

How to pronounce Atlanticus: //ætlænˈtaɪkəs//

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Identification

Members of Atlanticus can be distinguished from other by their shield-backed , relatively small rounded set high on the , and notably enlarged, heavily sclerotized with sharp dentes and incisors. The typically extends backward over the , giving a shield-like appearance. are long and multi-segmented. Live individuals are often green but fade to or after death. Prominent coxal are present on the legs.

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Distribution

North America and temperate eastern Asia. Specific distribution records include Alabama in North America, and in Asia: South-central China, North-central China, Inner Mongolia, and Manchuria.

Diet

Predatory on other . Atlanticus testaceus has been observed catching and consuming .

Similar Taxa

  • NeobarrettiaBoth are predatory with enlarged , but Neobarrettia such as N. spinosa (spiny bush katydid) possess distinct on the and exhibit conspicuous threat displays, features not characteristic of Atlanticus.
  • OrchelimumMeadow in this are rather than primarily predatory, lack the heavily sclerotized of Atlanticus, and typically have more slender body proportions.

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