Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


Species Papaipema eupatorii - Joe-Pye-Weed Borer - Hodges#9501

maybe Papaipema sp. - Papaipema eupatorii Papaipema eupatorii Joe-Pye-Weed Borer - Papaipema eupatorii Papaipema eupatorii Papaipema eupatorii Papaipema eupatorii Papaipema eupatorii moth - Papaipema eupatorii
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 eupatorii (Joe-Pye-Weed Borer - Hodges#9501)
Hodges Number
Other Common Names
Eupatorium Borer
wingspan 35-40 mm ?
forewing dark grayish-brown with sparse dusting of tiny pale flecks; reniform, orbicular, and claviform spots represented by vague dark smudges; PM line straight, untoothed, showing sharp contrast between dark median area and paler subterminal area
hindwing light gray with faint gray veins and terminal line
eastern North America: Nova Scotia to Georgia, west to Illinois, north to Manitoba (but apparently missing from Ontario)
damp meadows and riparian areas where food plant grows
adults fly from August to October
larvae bore into stems and roots of joe-pye-weed (Eupatorium spp.)
The photo of a Coneflower Borer, previously misidentified as Joe-Pye-Weed Borer and mistakenly placed on this page, has been moved to the Papaipema nelita page.
See Also
may be mistaken for the all-dark form of a Coneflower Borer (Papaipema nelita) whose PM line has small "teeth" formed from wing veins projecting into the subterminal area (compare images of both species)
Common Pinkband (Ogdonconta cinereola) is superficially similar in color and pattern
Internet References
pinned adult image (James Adams, Dalton State College, Georgia)
common name reference [Joe-Pye-Weed Borer] plus food plant and flight season (Ohio State U.)
common name reference [Eupatorium Borer] (
presence in Georgia state record in 1999 (Lepidopterists Season Summary search form, U. of Florida)
distribution in Canada list of provinces (CBIF data, presented by U. of Alberta)