Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Discussion, insects and people from the 2018 BugGuide 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

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Hydriomena

Hydriomena sp. - Hydriomena Hydriomena edenata - female brown geometrid moth - Hydriomena marinata Moth - Hydriomena 1536 Hydriomena speciosata 7263 - Hydriomena speciosata moth - Hydriomena edenata Hydriomena albifasciata Hydriomena marinata
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
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
difficult to identify species by sight, as there are a number of similar species and their color/pattern varies among individuals
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)