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Species Rheumaptera undulata - Hodges#7291

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Show images of: caterpillars · adults · both

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Lepidoptera (Butterflies and Moths)

Superfamily Geometroidea (Geometrid and Swallowtail Moths)

Family Geometridae (Geometrid Moths)

Subfamily Larentiinae

Tribe Hydriomenini

Genus Rheumaptera

Species undulata (Rheumaptera undulata - Hodges#7291)

Hodges Number

7291

Synonyms and other taxonomic changes

Calocalpe undulata

Hydria undulata

Size

37mm wingspan(1)

Larvae are 20mm(1)

Identification

Genitalia:

♀

♂

Larvae bodies are blackish above with 4 longitudinal yellow lines and straw yellow beneath.(1)

Range

Holarctic; in North American, Labrador to Maine, west through Canada, south to Minnesota. (2)

Season

Mostly Jun-Aug - MPG

Food

Azalea, spiraea, rhodora, and willows. (2); Alder, blueberry, poplar, and presumably other plants (3)

Life Cycle

Larvae live in nests constructed by webbing together leaves toward the end of the branch.(1)

See Also

Covell (2) describes this species as having a "pattern less sharp and bright" than that of R. prunivorata, "but so similar that the 2 species can best be distinguished by genitalia and larval characteristics."

Internet References

Moth Photo Group - MPG

Works Cited

1.	Eastern Forest Insects Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.

2.	Peterson Field Guides: Eastern Moths Charles V. Covell. 1984. Houghton Mifflin Company.

3.	Caterpillars of Eastern North America: A Guide to Identification and Natural History (Princeton Field Guides) David L. Wagner. 2010. Princeton University Press, 1-496.

Contributed by Jim McClarin on 19 October, 2005 - 9:22pm
Additional contributions by Tony-2, anitagould, Mike Quinn, ceiseman, marcie oconnor, Marci Hess, Robert H. Biagi
Last updated 29 August, 2023 - 12:27pm

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