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Species Eulithis testata - The Chevron - Hodges#7201

1899 Eulithis testata - The Chevron 7201 - Eulithis testata Eulithis testata – Chevron Moth? - Eulithis testata Geometridae: Eulithis testata - Eulithis testata Geometridae: Eulithis testata - Eulithis testata Geometridae: Eulithis testata - Eulithis testata Eulithis - Eulithis testata The Chevron (Eulithis testata) - Eulithis testata Moth ID request - Eulithis testata
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 testata (The Chevron - Hodges#7201)
Hodges Number
7201
Other Common Names
Chevron Moth
Synonyms and other taxonomic changes
Eulithis testata (Linnaeus, 1761)
Geometera testata Linnaeus, 1761 (1)
Size
wingspan 25-40 mm
Identification
Adult: FW light yellow, orangish, or brownish with sharply-bent medial and PM lines; straight white-bordered dark apical dash runs at right-angles to white-bordered dark upper section of PM line (forming a T shape whose two lines don't quite meet). HW pale grayish-white on basal two-thirds, separated from light yellowish or brownish subterminal area by an indistinct white PM line

Larva: body long, slender, pale gray or yellowish with thin dark dorsal stripe
Range
Newfoundland to New Jersey, west to Montana and British Columbia, north to Yukon and Northwest Territories
also occurs throughout Eurasia, east to Japan
Habitat
acidic bogs in northern forests
Season
adults fly from June to September
larvae in May and June
Food
larvae feed on leaves of alder, birch, blueberry, gooseberry, poplar, willow
Life Cycle
overwinters as an egg; one generation per year
See Also
Dimorphic Eulithis (E. molliculata) is similar but has a single-toothed apical dash that curves around to enclose a reddish apical patch, and its hindwing is uniformly light yellowish with 3 indistinct lines
E. propulsata lacks white borders to its apical dash and upper section of PM line
Compare images of all 3 species.
Print References
Linnaeus, C. 1761. Fauna svecica, (1262): 331. (1)
Internet References
Moth Photographers Group – images of live and pinned adults
BOLD Systems - images of pinned DNA supported specimens
E. H. Strickland Museum – species description
live adult image plus habitat, seasonality, common name reference [The Chevron], and food plants (Ian Kimber, UK Moths)
live adult image plus description, flight season, habitat, food plants, biology, and live larva image (R.S. Thompson and B. Nelson, Butterflies and Moths of Northern Ireland)
live adult images by Chris Steeman [Belgium] and Jens Christian Schou [Denmark], plus food plants (Moths and Butterflies of Europe and North Africa)
live adult images and other info (Lynn Scott, Ontario)
live larva image (Kimmo Silvonen, Finland)
Works Cited
1.Fauna svecica, sistens animalia Sueciae regni: mammalia, aves, amphibia, pisces, insecta, vermes.
Carl Linnaeus . 1761. Stockholmiae, Sumtu & Literis Direct. Laurentii Salvii. Editio Altera Auctior. 1-578.