MPG (species pages only) MPG (entire website) Entire Web

Digital Guide to Moth Identification

Geometridae 91a1409 – 6963   Tetracis crocallata Guenée, [1858]              Yellow Slant-line

Photographs are the copyrighted property of each photographer listed. Contact individual photographers for permission to use for any purpose.

© Aaron Cavosie Large Map & Chart Report Errors About Maps

Distribution: Nova Scotia to southern Alberta, south to northern Florida and eastern Texas. Seasonality and Size: Two generations from New York southward. FWL ~ 17-25 mm. Larva and Host Plants: Host plants include Alnus, Castanea and Salix. (see references) -- Host familiy: Anacardiaceae Betulaceae Adoxaceae[Caprifoliaceae] Fagaceae Lauraceae Rosaceae Salicaceae Sapindaceae.  Host genera: Acer Alnus Betula Castanea Lindera Ostrya Prunus Rhus Salix Sambucus.  Notes: foliage (Wagner et al 2001).  (Shropshire & Douglas 2025) Genitalia: See Ferris & Schmidt (2010). Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: crocallata Guenée, [1858] (Tetracis) - MONA 1983: 6963 aspilatata Guenée, [1858] (Tetracis) Taxonomic Notes: Tetracis crocallata Guenée, [1858], n. comb. in Ferris & Schmidt (2010), was formerly in the genus Synaxis.

References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)

Barcode of Life (BOLD) - Caution: Identifications often erroneous; DNA barcode provides evidence of relatedness, not proof of identification; many specimens not sequenced. Ferris, C.D. & B.C. Schmidt, 2010. Revision of the North American Genera Tetracis Guenée and Synonymization of Synaxis Hulst with Descriptions of Three New Species (Lepidoptera: Geometridae: Ennominae). Zootaxa, 2347: 1-36. Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history) Shropshire, K.J. & D.W. Tallamy, 2025. Lepidoptera of North America, north of Mexico: an annotated list containing geographic ranges and host-plant records. ZooKeys, 1261: 101-113; Suppl. 1. (PDF or read online) Species Page at Block Island Moths Species Page at BugGuide.Net Species Page at E. H. Strickland Museum Species Page at Mass Moths Species Page at iNaturalist

© Jim Kennedy © Bob Patterson © Tom Murray - ssp. aspilatata © D. L. Scott - ssp. aspilatata © Matthew Priebe © Jason Dombroskie © Nolie Schneider © David Reed © Ken Childs

LG – © Jim Troubridge 38mm – © Jim Vargo

© Canadian National Collection LG © Janice Stiefel 5th instar - 28 days

Moth Photographers Group  at the  Mississippi Entomological Museum  at the  Mississippi State University

Send suggestions, or submit photographs to Webmaster — Moth Photographers Group

Database design and scripting support provided by Mike Boone