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Species Eulithis diversilineata - Lesser Grapevine Looper Moth - Hodges#7196

Eulithis diversilineata or gracilineata? ID help appreciated! - Eulithis diversilineata Eulithis diversilineata or gracilineata? - Eulithis diversilineata Geometridae, Lesser Grapevine Looper Moth, larva head & legs - Eulithis diversilineata Lesser Grapevine Looper Moth - Eulithis diversilineata Geometridae on Grape - Eulithis diversilineata Geometridae on Grape, dead - Eulithis diversilineata Eulithis diversilineata - Lesser Grapevine Looper Moth - Hodges#7196 - Eulithis diversilineata Lesser Grapevine Looper - Eulithis diversilineata
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 Eulithis
Species diversilineata (Lesser Grapevine Looper Moth - Hodges#7196)
Hodges Number
7196
Synonyms and other taxonomic changes
Eulithis diversilineata (Hübner, [1813])
Petrophora diversilineata Hübner, [1813] (pl.206)
* phylogenetic sequence #211000
Size
Wingspan 28-33 mm. (1)
Identification
A text description is needed that explains how to reliably distinguish photos of this species from the similar Greater Grapevine Looper (Eulithis gracilineata). See sample images of both species in link below.
Do not place images here unless you have a valid reason for doing so! Adults of diversilineata and gracilineata cannot be separated without rearing or dissection.*

* The forewing measures of the Greater and Lesser overlap slightly (Lesser 12-16.4 mm; Greater, 16.1-19 mm)(Sexton, Schmidt, unpubl. data). Small and large males of each species might thus be separated by size. However, females are quite a bit larger in both species, so most diversilineata would get misidentified as gracilineata (C. Schmidt). Compare these images of Lesser (left) and Greater (right).
Food
Larval hosts are grape and Virginia creeper (Parthenocissus quinquefolia, Vitaceae). (1)
Print References
Choi, Sei-Woong 2001. Phylogeny of Eulithis Hübner and related genera (Lepidoptera: Geometridae), with an implication of Wing Pattern Evolution. American Museum Novitates 3318: 1-37 (PDF)
Covell Jr., C.V. 1984. A Field Guide to Moths of Eastern North America. Houghton Mifflin Company. p.380, pl.49.5 (1)
Internet References
Works Cited
1.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.