Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

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 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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.

Previous events


Species Perichares adela - Green-backed Ruby-eye - Hodges#4000

Green-backed Ruby-eye - Perichares adela Green-backed Ruby-eye sleeping on a wall - Perichares adela Green-backed Ruby-eye - Perichares adela Green-backed Ruby-eye - Perichares adela Green-backed Ruby-eye - Perichares adela
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Hesperiidae (Skippers)
Subfamily Hesperiinae (Grass Skippers)
Genus Perichares (Ruby-eyes)
Species adela (Green-backed Ruby-eye - Hodges#4000)
Hodges Number
Synonyms and other taxonomic changes
Perichares adela Hewitson, 1867
Hesperia adela Hewitson, 1867
Perichares philetes adela Brown & Mielke, 1967 (authorship may be incorrect, listed but not as a new comb.)
Explanation of Names
Perichares adela (Hewitson, 1867), formerly a subspecies of Perichares philetes (Gmelin, [1790]), extralimital, is raised to full species status in Burns et al. (2008).
Very large for a grass-skipper. Mottled pattern under hindwing. Large yellow spots on forewing. Red eyes show clearly only if lit from right angle. Dorsal surface of thorax sometimes, but not always, iridescent green.
s. TX (as a stray) to Brazil - Map (MPG, BOA)
fields and forest edges
caterpillars hosted on grasses including sugarcane and bamboo
Life Cycle
Seems to be crepuscular; nearly all sightings are in morning or evening. Often nectaring high up in Mexican Olive (Cordia boissieri) and other flowering trees.
First U.S. record reported by Freeman (1945).
Print References
Burns, J.M., D.H. Janzen, M. Hajibabaei, W. Hallwachs, P.D.N. Hebert,, 2008. DNA barcodes and cryptic species of skipper butterflies in the genus Perichares in Area de Conservaciòn Guanacaste, Costa Rica. Proceedings of the National Academy of Sciences, 105 (17): 6350-6355.
Freeman, H.A. 1945. Notes on some North American Hesperiidae, with two new records for the United States (Lepidoptera: Rhopalocera). Entomological News 56(1): 4-5.