Drasteria

Hübner, 1818

Species Guides

27

Drasteria is a of owlet moths in the Erebidae. in this genus are known for their concealed brightly-colored hindwings, 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//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

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

Images

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 hindwings to momentarily startle before taking . The forewings are held flat over the body at rest, completely concealing the hindwings.

Similar Taxa

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

Tags

Sources and further reading