Drasteria

Hübner, 1818

Drasteria is a of in the Erebidae. in this genus are known for their concealed brightly-colored , which they flash as a startle defense against . The genus includes multiple species distributed across North America and other regions, with some taxonomic revisions having occurred in recent decades.

Drasteria parallela by (c) David Anderson, some rights reserved (CC BY), uploaded by David Anderson. Used under a CC-BY license.Drasteria edwardsii by (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda. Used under a CC-BY license.Drasteria edwardsii by (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda. Used under a CC-BY license.

Pronunciation

How to pronounce Drasteria: //dræˈstɛɹiə//

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Identification

Members of Drasteria can be recognized by their cryptic that conceal brightly-colored , typically orange, red, or with dark markings. This startle display distinguishes them from similar cryptic . Specific identification to often requires examination of pattern details and geographic location.

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Distribution

North America (including Colorado, Vermont), with records also from Mongolia and other regions.

Behavior

exhibit a startle defense tactic: when disturbed, they flash their brightly-colored to momentarily startle before taking . The are held flat over the body at rest, completely concealing the hindwings.

Similar Taxa

  • CatocalaBoth are with concealed brightly-colored used for startle defense; () are generally larger and have more elongated .
  • EuscirrhopterusShares the startle defense with concealed colorful ; Euscirrhopterus tend to be smaller with different patterns.

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Sources and further reading