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Species Papaipema insulidens - Ragwort Stem Borer Moth - Hodges#9488

Umbellifer Borer? - Papaipema insulidens Umbellifer Borer - Papaipema birdi  9486  - Papaipema insulidens Papaipema, lateral - Papaipema insulidens Umbellifer Borer Moth - Papaipema insulidens Umbellifer Borer Moth - Papaipema insulidens Papaipema birdi - Papaipema insulidens Papaipema insulidens Noctuidae: Papaipema insulidens - Papaipema insulidens
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 insulidens (Ragwort Stem Borer Moth - Hodges#9488)
Hodges Number
Synonyms and other taxonomic changes
Papaipema insulidens (Bird, 1902)
Hydroecia insulidens Bird, 1902
Gortyna birdi Dyar, 1908 (1)
Gortyna nephrasyntheta Dyar, 1908
Papaipema pertincta Dyar, 1920 (1)
Phylogenetic sequence # 932480
Bird (1902) reported the wingspan as 32-37 mm.
Powell & Opler (2009) reported the forewing length to be 14-17 mm. (2)
Papaipema insulidens occurs in wetlands and along creeks and rivers. (3)
"This species is a borer in the stems of its hostplants. It has been found in various umbels (Apiaceae), lilies, and composites such as tansy ragwort (Senecio jacobaeae) in the Northwest. This moth is locally common in some parts of western Oregon in association with this invasive plant. Crumb (1956) also lists lupine (Lupinus polyphyllus) and cow parsnip (Heracleum lanatum) as food plants." (3)
Other host plants include Spotted Water Hemlock (Cicuta maculata), Purplestem Angelica (Angelica atropurpurea), and Hemlock Waterparsnip (Sium suave)
See Also
Indigo Stem Borer (Papaipema baptisiae) is larger (wingspan 38 mm), forewing has yellowish-orange basal spots, smaller reniform patch, greater distance between PM line and reniform patch, and smoother or more lustrous overall appearance (compare images of both species at CBIF; also see photos of this and numerous related species by Jim Vargo at MPG)
Print References
Bird, H., 1902. New histories and species in Hydroecia. The Canadian Entomologist, 34(5): 112.
Powell, J.A. & P.A. Opler, 2009 Moths of Western North America. University of California Press, pl. 53, fig. 32; p. 296. (2)