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Genus Eacles

Moth caterpillar - Eacles imperialis Moth on a tire - Eacles imperialis Imperial moth caterpiller (Eacles imperialis) - Eacles imperialis - Eacles imperialis Pine Imperial Moth Caterpillar - Eacles imperialis Big Yellow Moth - Eacles imperialis Large caterpillar - Eacles imperialis Eacles imperialis pini - Eacles imperialis green imperial moth caterpillar - Eacles imperialis
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 Bombycoidea (Silkworm, Sphinx, and Royal Moths)
Family Saturniidae (Giant Silkworm and Royal Moths)
Subfamily Ceratocampinae (Royal Moths)
Genus Eacles
Pronunciation
ee-uh-kleez (IPA: ē'-ə-klēz) (1)
Synonyms and other taxonomic changes
Eacles Hübner, 1819
Explanation of Names
Etymology unknown ("dubious") (1).
Numbers
Nearctica.com lists 1 North American species, Eacles imperialis.

However, there is a second species E. oslari that is found in southern Arizona.
Remarks
The origin of the genus name Eacles is a real puzzle. Perhaps it is a misspelling or a typographical error. Some possible intended words (speculative) are Eocles/Eokles and Eakles/Aekles--the latter are, perhaps, surnames. Perhaps related to Eteocles?? There is, unfortunately, no entry in the Oxford English Dictionary for this name.
The original publication (from Lepidoptera and other life forms) is Eacles Hübner, [1819]; Verz. bek. Schmett. (10): 153.
Print References
The Century Dictionary--entry for Eacles (1)
Internet References
www.butterfliesandmoths.org - Eacles oslari images, description, and range map.