Western Colorado Insects

Native Insects

Melissa's Blue Butterfly (male)Lepidoptera-Butterflies and MothsSwallowtail Butterfly
Back to Index
Achemon Sphinx
Eumorpha achemon (Drury)
Colorado Insects of Interest Fact Sheet (pdf) Achemon Sphinx Moth
American Dagger Moth
Acronicta americana (Harris)
Colorado Insects of Interest Fact Sheet (pdf) American Daggar Moth
Banded Woollybear
(Isabella Moth)
Pyrrharctia isabella (J.E. Smith)
Colorado Insects of Interest Fact Sheets (pdf) Isabella Moth
Black Swallowtail
(Parsleyworm)

Papilio polyxenes asterius F.
Colorado Insects of Interest Fact Sheet (pdf) Black Swallowtail
Black Witch
Ascalapha odorata (Linnaeus)
Colorado Insects of Interest Fact Sheet (pdf) Black Witch
Colorado Hairstreak
Hypaurotis crysalus (W.H. Edwards)
Colorado Insects of Interest Fact Sheet (pdf) Colorado Hairstreak

Colorado Butterflies and Moths

More than 250 species of butterflies and thousands of species of moths live in Colorado. This web site is the best on-line guide to our species. Almost all of the butterflies and many of the larger moths are covered.

Butterflies and Moths of Colorado (Link) Butterfly

Corn Ear Worm

Corn earworm is a native insect that has become a serious pest of corn, sweet corn, tomatoes and other crop plants. Corn earworm does not always overwinter in western Colorado, but reinfests each year by migrating from southern areas. This Florida publication gives an overview of corn earworm biology.

Featured Creatures, University of Florida (html) Butterfly
IO Moth
Automeris io (F.)
Colorado Insects of Interest Fact Sheet (pdf) IO moth
Lilac/Ash Borer
(Ash Borer)

Podosesia syringae (Harris)
Colorado Insects of Interest Fact Sheet (pdf) Lilac/Ash Borer
Linden Loopers
Erranis tilaria (Harris)



Linden Loopers in Colorado (shtml)

Colorao Insects of Interest Fact Sheet (pdf)

Linden Looper Females
Linden Looper Moths
Mexican Jumping Bean Moth
Cydia deshaisiana (Lucas)
Colorado Insects of Interest Fact Sheet (pdf) Mexican Jumping Bean Moth
Mourning Cloak
Nymphalis antiopa (Linnaeus)
Colorado Insects of Interest Fact Sheet (pdf) Mourning Cloak Butterfly
Photograph courtesy of Whitney Cranshaw
Painted Lady
Vanessa cardui (Linnaeus)
Colorado Insects of Interest Fact Sheet (pdf) Painted Lady Butterfly
Photograph courtesy of Whitney Cranshaw
Saltmarsh Caterpillar
(Acrea Moth)

Estigmene acrea (Drury)
Colorado Insects of Interest Fact Sheet (pdf) Saltmarsh CaterpillarPhotograph courtesy of Whitney Cranshaw
The narrow leaf mountain mahogany leaf miner TRA fact sheet on this leaf miner (shtml) Leafminer damage
Two-tailed Swallowtail
Papilio multicaudatus Kirby
Colorado Insects of Interest Fact Sheet (pdf) Pale Swallowtail ButterflyPhotograph courtesy of Whitney Cranshaw
Whitelined Sphinx Moth
Hyles lineata (Fabricius)
Colorado Insects of Interest Fact Sheet (pdf) Whitelined Sphinx MothPhotograph courtesy of Whitney Cranshaw

This page was updated on February 26, 2016