Gesneria centuriella

(Denis & Schiffermüller, 1775)

Smoky Gesneria

Gesneria centuriella is a small in the Crambidae with a broad Holarctic distribution spanning Europe, Asia, and North America. The exhibits considerable geographic variation, with five recognized adapted to different regions from Eurasia through Alaska to Greenland and the western United States. are active in mid-summer, with North American flying from mid-June to July.

Gesneria centuriella 01 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.

Pronunciation

How to pronounce Gesneria centuriella: /ɡɛsˈnɛɹiə sɛnˌtʊɹiˈɛlə/

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

Identification

Forewing coloration of smoky gray to dark brown distinguishes this from many related crambid , though precise identification to level requires geographic context and examination of genitalia. The species is most reliably separated from by distribution and subtle wing pattern differences.

Images

Appearance

Wingspan 20–30 mm. Forewings smoky gray to dark brown. Overall coloration variable across range, with darker in northern regions and lighter forms in more southern areas.

Distribution

Europe: Fennoscandia, Estonia, Russia, Poland, Slovakia, Czech Republic, Hungary, Romania, Bulgaria, Germany, Austria, Switzerland, Italy, France, Iceland. Asia: east to Japan. North America: Greenland, northern United States and Canada (Alberta, Manitoba, Saskatchewan, and east to New York, Massachusetts; western in Oregon, Idaho, Arizona, Colorado, Wyoming, Montana).

Seasonality

on wing mid-June to July in North America. European and Asian not explicitly documented in available sources.