Anatis

Giant Lady Beetles

Species Guides

4

Anatis is a of ladybird beetles (Coccinellidae) commonly known as "giant lady beetles." The genus contains approximately ten extant distributed primarily in North America, with at least two fossil species described. Members are relatively large compared to most lady beetles and are predatory as and larvae. The genus includes notable species such as Anatis mali and Anatis labiculata, which have been studied for their potential.

Anatis by (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette. Used under a CC-BY license.Anatis by (c) Gerardo Ochoa, some rights reserved (CC BY), uploaded by Gerardo Ochoa. Used under a CC-BY license.Anatis by (c) ajott, some rights reserved (CC BY), uploaded by ajott. Used under a CC-BY license.

Pronunciation

How to pronounce Anatis: /əˈneɪtɪs/

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Identification

Large body size distinguishes Anatis from most other Coccinellidae ; typically exceed 7 mm in length. within the genus can be differentiated by elytral pattern: A. labiculata has fifteen black spots on reddish-orange , A. mali has variable spotting with some individuals nearly solid black, and A. lecontei shows distinct pale lateral margins on dark elytra. The pronotum is relatively broad with patterns that vary among species.

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Habitat

Found in arboreal including deciduous and coniferous forests, orchards, and wooded riparian corridors. Associated with trees and shrubs where prey occur.

Distribution

Primarily North American; occur across Canada, the United States, and Mexico. Individual species ranges vary: A. labiculata is transcontinental in North America, A. mali occurs in eastern and central regions, and A. lecontei is documented in western montane areas including Colorado foothills.

Diet

Predatory on aphids and other small soft-bodied insects; specific prey associations vary by and season.

Ecological Role

Predatory beetles contributing to of in forest, orchard, and agricultural .

Human Relevance

Some , particularly Anatis mali and A. labiculata, have been evaluated or utilized for biological pest control in orchards and forests. No significant negative impacts on humans are documented.

Similar Taxa

  • CoccinellaBoth are spotted lady beetles, but Anatis are generally larger (often >7 mm vs. 5-7 mm) and have proportionally broader, more rounded .
  • HippodamiaSimilar size range and overlap, but Hippodamia typically have more elongated body shape and different spot arrangements; Anatis has a more convex, rounded profile.

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