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Species Papaipema rigida - Rigid Sunflower Borer - Hodges#9503

Rigid Sunflower Borer? - Papaipema rigida Noctuidae: Papaipema rigida - Papaipema rigida Papaipema , lateral - Papaipema rigida Papaipema, pupaX - Papaipema rigida Papaipema, Golden Alexanders, 2nd sign - Papaipema rigida Rigid Sunflower Borer on False Sunflower - Papaipema rigida Rigid Sunflower Borer, lateral  - Papaipema rigida Papaipema cataphracta  - Papaipema rigida
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Apameini
Genus Papaipema (Borer Moths)
Species rigida (Rigid Sunflower Borer - Hodges#9503)
Hodges Number
Synonyms and other taxonomic changes
described in 1877 by Grote, who originally placed it in genus Gortyna
wingspan about 28-29 mm, based on two Internet photos
Adult: forewing light yellow with almost straight PM line and purplish-brown shading beyond it except for pale apical patch; reniform, orbicular, and claviform spots all filled with ground color, not white; AM line W-shaped, with darker shading in basal area; fringe dark; hindwing off-white to pale yellowish with dark discal spot, veins, and terminal line
New Brunswick to Pennsylvania, west to Iowa and Manitoba; type specimens collected in Pennsylvania and Illinois
meadows where foodplant grows; adults are nocturnal and come to light
adults fly from June to October
larvae feed on Stiff Sunflower (Helianthus pauciflorus [=rigidus]), Smooth Oxeye (Heliopsis helianthoides), and Golden Alexanders (Zizia aurea)
See Also
Burdock Borer (Papaipema cataphracta) has a darker forewing whose spots are paler than the ground color (compare images of both species at CBIF)
Internet References
live and pinned adult images by various photographers (Moth Photographers Group)
pinned adult image (James Durbin, Iowa)
pinned adult image by Tom Middagh (
live adult image (Northeastern Illinois U.)
larval foodplants plus common name reference and status in Ohio (Ohio State U.)
distribution in Canada; list of provinces of occurrence, but omitting Ontario (U. of Alberta, using CBIF data)
first record in Ontario; PDF doc list in 1993 by K. Stead (Rare Insects Found in Pinery Provincial Park)
type specimen localities (Markku Savela, FUNET)