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Digital Guide to Moth Identification

59a1323.1 – 2038   Symmetrischema costaricanum Povolný, 1990

© James Bailey
Distribution: Type locality: Costa Rica
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Symmetrischema costaricanum Povolný, 1990
Phthorimaea plaesiosema of authors, not Turner, 1919
Trichotaphe tangolias of authors, not Gyen, 1913
Taxonomic Notes: Symmetrischema costaricanum Povolný, 1990 includes as synonyms S. tangolias of authors (not Gyen, 1913) and it's synonym S. plaesiosema of authors (not Turner, 1919). "True" tangolias Gyen, is extralimital north of Mexico. (JF Landry, pers. comm., 2023)
  • Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced.
  • Hayden, J.E., S. Lee, S.C. Passoa, J. Young, J.-F. Landry, V. Nazari, R. Mally, L.A. Somma, and K.M. Ahlmark, 2013. Digital Identification of Microlepidoptera on Solanaceae. USDA-APHIS-PPQ Identification Technology Program (ITP). Fort Collins, CO. - species page at
  • Povolný, 1990. Symmetrischema costaricanum sp. n., an obviously undescribed species from Central America (Insecta, Lepidoptera, Gelechiidae: Gnorimoschemini). Reichenbachia, 28: 59-63.
  • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 10.8m; p. 100. Book Review and ordering
  • Powell, J.A. & D. Povolný, 2001. Gnorimoschemini moths of coastal dune and scrub habitats in California (Lepidoptera: Gelechiidae). Holarctic Lepidoptera, 8 (Suppl. 1): 1-53.
  • Species Page at BugGuide.Net
Symmetrischema costaricanum
CalPhotos – © Jerry Powell
Symmetrischema costaricanum
10mm - LG – © Jim Vargo
Symmetrischema costaricanum
© SangMi Lee

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