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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

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Genus Hydriomena

Hydriomena irata (?) - Hydriomena irata 7239      Sharp Green Hydriomena Moth      (Hydriomena pluviata) - Hydriomena Hydriomena marinata Moth  - Hydriomena Hydriomena ? - Hydriomena nubilofasciata Unknown Moth - Hydriomena manzanita Hydriomena chiricahuata 7250? - Hydriomena Geometridae: Hydriomena renunciata? - Hydriomena
Show images of: caterpillars · adults · both
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 Hydriomena
Other Common Names
called Highfliers in Europe
Synonyms and other taxonomic changes
Hydriomena Hübner, [1825]
Karacidaria Matsumura, 1925
Rhodomena Warren, 1904
56 species in North America (
23 species in Canada (CBIF)
wingspan 26-36 mm
larvae to 20 mm
forewing varies from light to dark, crossed by several wavy lines and bands of color (this applies to several genera of geometrids)
hindwing usually pale and unmarked
throughout North America, including the arctic
also occurs in Eurasia
adults in spring and summer
larvae feed on a variety of coniferous trees plus alder, hawthorn, and willow (certain species may have a single or preferred host plant)
Life Cycle
a number of species overwinter as a larva
Species in this genus are difficult to identify by sight, as there are a number of similar species and their color/pattern varies among individuals.
See here:
See Also
Variable Carpet Moth - Anticlea vasiliata

Dysstroma colvillei

Ersephila grandipennis

Ersephila indistincta

Hymenodria mediodentata

In tribe Lobophorini some of the genus Cladara can look similar:
Mottled Gray Carpet Moth - Cladara limitaria
Internet References
pinned adult images of all species occurring in Canada (CBIF)
live adult image of H. furcata (Jeremy Tatum, Butterflies and Moths of Southern Vancouver Island)
live larva images of H. speciosata (Canadian Forest Service)
technical description (British Insects: Geometridae)