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Digital Guide to Moth Identification

932517 – 9525   Bellura obliqua (Walker, 1865)
             Cattail Borer

Tom Murray
Distribution: Type locality: Orilla, ON.
Larva and
Host Plants:
Borer of Typha.
Similar Species:
  • 9526 Bellura densa - "the angle of the reniform relative to the FW costa is important for densa vs obliqua (closer to right angle for densa); also obliqua is usually earlier in the season and has only one flight, densa has two flights, in late spring and late summer; densa usually has a darker purplish tint overall, and a more squared-off forewing shape, and also often with the abdomen sticking out past the wings." - Chris Schmidt (pers. comm. 4/29/2020)
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Edema obliqua Walker, 1865
Arzama obliquata Grote & Robinson, 1868
Bellura pallida Barnes & Benjamin, 1924
Sphida gargantua Dyar, 1913
  • Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced.
  • Species Page at BugGuide.Net
  • Species Page at Mass Moths
  • Species Page at Pacific Northwest Moths
  • Walker, F., 1865. Tortricites and Tineites. List of the specimens of lepidopterous insects in the collection of the British Museum, 32: 428.
Bellura obliqua
Carroll Rudy
Bellura obliqua
Eric Eaton
Bellura obliqua
James Bailey
Bellura obliqua
42mm – Jim Vargo

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