Xanthotype

Warren, 1894

Crocus Geometer Moths

Species Guides

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Xanthotype is a of geometrid moths in the Ennominae, containing five described distributed in North America. The genus was established by Warren in 1894. Species are commonly known as crocus geometer , though they cannot be reliably identified to species from photographs alone. The genus includes the well-known crocus geometer (Xanthotype sospeta), described by Drury in 1773, and several species described by Swett in 1918.

Xanthotype sospeta by no rights reserved, uploaded by Jack Gelinas. Used under a CC0 license.Xanthotype sospeta by no rights reserved, uploaded by Jack Gelinas. Used under a CC0 license.Xanthotype urticaria by no rights reserved, uploaded by Jack Gelinas. Used under a CC0 license.

Pronunciation

How to pronounce Xanthotype: //ˈzæn.θoʊ.taɪp//

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Identification

within Xanthotype are morphologically similar and cannot be distinguished from photographs; examination of genitalia or other diagnostic features is required for definitive species identification. The is characterized by yellow to orange coloration typical of many geometrid moths, with wing patterns that vary among species. Xanthotype sospeta (crocus geometer) and Xanthotype urticaria (false crocus geometer) are particularly difficult to separate visually.

Images

Distribution

North America. Distribution records include the United States and Vermont specifically. The has been documented in the Greater Kansas City Metro area and Leavenworth, Kansas.

Similar Taxa

  • Haematopis gratariaAlso called chickweed geometer; similar yellow-orange coloration and geometrid , but distinct
  • Other GeometridaeMany geometrid moths share similar coloration and wing patterns; Xanthotype require careful examination to separate from related

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Sources and further reading