Bugs of Rifle Falls, Rifle Gap, and Harvey Gap State Parks

Harvey Gap and Rifle Falls are both headquartered at Rifle Gap, and are all within about 4.5 miles of one another.

Harvey Gap is a total of about 320 acres, 160 of which is the reservoir and the other 160 acres are the lands surrounding the reservoir. The park lies at approximately ...more ↓

Behr's Hairstreak

The Behr's Hairstreak (Satyrium behrii) is a butterfly of the Lycaenidae family. It is found in western North America from western Texas north and west through New Mexico, Arizona and southern California to British Columbia.

Banded Hairstreak

The Banded Hairstreak (Satyrium calanus) is a butterfly in the family Lycaenidae.

California Hairstreak

The California Hairstreak (Satyrium californica) is a butterfly of the Lycaenidae family. It is found from British Columbia south to southern California and east to Colorado.

Striped Hairstreak

The Striped Hairstreak (Satyrium liparops) is a butterfly of the Lycaenidae family. It is found in North America, from the Rocky Mountains south from southern Canada to Colorado, east to Maine and south to Florida.

Coral Hairstreak

The Coral Hairstreak (Satyrium titus) is a North American butterfly in the family Lycaenidae.

Brown Elfin

The Brown Elfin (Callophrys augustinus) is butterfly of the Lycaenidae family. It is found in from Newfoundland north and west through the northern United States and the prairie provinces to Alaska. To the south it ranges in Appalachian Mountains to northern Georgia and northern Alabama, further south through the western mountains to northern Baja California. Subspecies ...more ↓

Western Pine Elfin

The Western Pine Elfin (Callophrys eryphron) is a North American butterfly that ranges from British Columbia east to Maine and south to southern California, Arizona, and New Mexico. Males are brown and females are orange-brown, with both having bold patterned hind wings. The top of the wings have dark bars with a lighter chevron shaped margin. The body is 19–32 mm in ...more ↓

Juniper Hairstreak

The Juniper Hairstreak (Callophrys gryneus) is a butterfly native to North America. It belongs in the family Lycaenidae.

Sheridan's Green Hairstreak

Callophrys sheridanii, common name Sheridan's Hairstreak and Sheridan's Green Hairstreak, is a butterfly in the Lycaenidae family. It is found along the south coast of British Columbia and parts of Nevada, Arizona, Saskatchewan, North Dakota, and New Mexico. In 2009, this species was adopted as the U.S. state butterfly for Wyoming.

Great Purple Hairstreak

The Great Purple Hairstreak (Atlides halesus), also called the Great Blue Hairstreak, is a common gossamer-winged butterfly species in parts of the United States. It is actually a Neotropical species; its North American range only includes the warm-temperate and subtropical parts of that continent, and it ranges southwards almost to the Isthmus of Panama. The type ...more ↓

Tailed Copper

The Tailed Copper (Lycaena arota) is a butterfly of the Lycaenidae family. It is found from New Mexico north and west to Oregon, south to southern California and Baja California.

Blue Copper

The Blue Copper (Lycaena heteronea) is a butterfly of the Lycaenidae family. It is found in the western Canada and USA.

Purplish Copper

The Purplish Copper (Lycaena helloides) is a butterfly of the Lycaenidae family. It is found from Great Lakes area to British Columbia, south to Baja California.

Lilac-bordered Copper

Lycaena nivalis, the lilac-bordered copper or nivalis copper, is a butterfly of the Lycaenidae family. It is found in the western mountains of North America.

Spring Azure

The Spring Azure (Celastrina ladon) is a butterfly of the Lycaenidae family. It is found in North America from Alaska and Canada south of the tundra, through most of the United States except the Texas coast, southern plain and peninsula Florida; south in the mountains to Colombia.

Arrowhead Blue

The Arrowhead Blue (Glaucopsyche piasus) is a western North American butterfly of the family Lycaenidae. It is a locally common butterfly that favors prairie, open woodland, and woodland edges and trails.

Rocky Mountain Dotted Blue

The Rocky Mountain Dotted Blue (Euphilotes ancilla) is a species of butterfly of the Lycaenidae family. It is found from Washington south to California and southern Alberta and Saskatchewan south through rockies and high plains to Wyoming, Colorado, Utah, and northwestern New Mexico

Western Pygmy Blue

The Western Pygmy Blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and is the smallest in North America. It has reached Hawaii. It has a wingspread of about half an inch.

Marine Blue

The Marine Blue or Striped Blue (Leptotes marina) is a butterfly of the Lycaenidae family. It is found in from South America through Mexico up to Southern Texas, Arizona and California.

Western Tailed-blue

The Western Tailed-blue (Cupido amyntula) is a member of the Lycaenidae family and is seen across western North America as far norther as Alaska. The upperside of the male butterfly is blue while the female has a darker brown band on the outer side of the wing. The underside is riddle with black spots, with a wingspan of 2.2 to 2.9 cm. The larvae feed on Thermopsis, ...more ↓

Reakirt's Blue

The Reakirt's Blue (Hemiargus isola) is a butterfly of the Lycaenidae family. It is found in Central America and the extreme southern U.S., isola migrates regularly throughout most of the U.S. almost to the Canadian border, and very rarely into the southern Prairies.

Arctic Blue

The Arctic Blue or Glandon Blue (Agriades glandon) is a butterfly of the Lycaenidae family. In North America it is found from Alaska east to Newfoundland, south through the mountains to Washington, northern Arizona, and northern New Mexico. In Europe, it is found in mountainous areas like the Pyrenees and Alps, as well as the far north. It is also found in parts of ...more ↓

Boisduval's Blue

Aricia icarioides, or Boisduval's blue, is a butterfly of the Lycaenidae family found in North America.

Lupine Blue

Aricia lupini, the lupine blue, is a butterfly of the Lycaenidae family. It is found from south-western Canada, south through much of mountainous and intermountain western United States and high plains to northern Mexico.

Idas Blue

The Idas Blue or Northern Blue (Plebejus idas) is a butterfly of the Lycaenidae family. It is found in the northerern regions of the Palearctic ecozone and the Nearctic ecozone.

Melissa Blue

The Melissa Blue (Lycaeides melissa) is a butterfly of the Lycaenidae family. It is found in Western North America, from Canada to Mexico. The Karner Blue (Lycaeides melissa samuelis) is a subspecies of the Melissa Blue, and was described by the novelist/lepidopterist Vladimir Nabokov. It is sometimes placed in the genus Plebejus.

Cloudless Sulphur

The Cloudless Sulphur or Cloudless Giant Sulphur (Phoebis sennae) is a midsized butterfly in the family Pieridae found in the New World. There are several similar species such as the Yellow Angled-sulphur (Anteos maerula), which has angled wings, or other sulphurs, which are much smaller.

Dainty Sulphur

The Dainty Sulphur or Dwarf Yellow (Nathalis iole) is a North American butterfly in the family Pieridae.

Orange Sulphur

The Orange Sulphur (Colias eurytheme), also known as the Alfalfa Butterfly and in its larval stage as Alfalfa Caterpillar, is a butterfly of the family Pieridae, where it belongs to the lowland group of "clouded yellows and sulphurs" subfamily Coliadinae. It is found throughout North America from southern Canada to Mexico, but is absent from the central and ...more ↓

Scudder's Sulphur

Colias scudderii, the Willow Sulphur, is a butterfly in the Pieridae family. It is found from Alaska south through the Rocky Mountains to northern New Mexico. The habitat consists of mountain meadows and willow bogs.

Sleepy Orange

The Sleepy Orange (Eurema nicippe) is a North American butterfly in the family Pieridae.

Southwestern orangetip

The Southwestern Orangetip (Anthocharis thoosa) is a butterfly which has a range of mainly the USA Rocky Mountains down into Mexico.

Large Marble

Large Marble or Creamy Marblewing (Euchloe ausonides) is a species of butterfly that occurs in North America.

Desert Marble

Desert Marble (Euchloe lotta) is a species of butterfly that occurs in the interior of British Columbia.

Pine White

The Pine White (Neophasia menapia) is a butterfly in the family Pieridae. It is found in western USA and in southern British Columbia.

Margined White

The Margined White (Pieris marginalis) is a butterfly found in the Yukon, Western Canada and the Rocky Mountains of North America.

Cabbage White

The Small White (Pieris rapae) is a small- to medium-sized butterfly species of the Yellows-and-Whites family Pieridae. It is also known as the Small Cabbage White and in New Zealand, simply as White Butterfly. The names "Cabbage Butterfly" and "Cabbage White" can also refer to the Large White.

Becker's White

The Becker's White, Great Basin White, or Sagebrush White (Pontia beckerii) is a butterfly in the family Pieridae. It is found in western USA to Baja California and in southern British Columbia.

Checkered White

The Checkered White (Pontia protodice), also called Southern Cabbage Butterfly, is a common North American butterfly in the family Pieridae. Its green larva is a type of cabbage worm.

Mormon Metalmark

The Mormon Metalmark (Apodemia mormo) is a species of metalmark butterfly (family Riodinidae). Its upperside is orange-brown to black, checkered with black and white spots. Its caterpillar host is various species of Eriogonum (wild buckwheat). Its adult food is nectar from the flowers of Eriogonum and other plants, especially yellow-flowered composites, such ...more ↓

Fall Webworm Moth

The fall webworm, Hyphantria cunea, is a moth in the family Arctiidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is mainly an aesthetic pest, and is not believed to harm otherwise healthy trees. It is well known to commercial tree services and ...more ↓

Isabella Tiger Moth

The Isabella Tiger Moth (Pyrrharctia isabella) can be found in many cold regions, including the Arctic. The banded Woolly Bear larva emerges from the egg in the fall and overwinters in its caterpillar form, when it literally freezes solid. First its heart stops beating, then its gut freezes, then its blood, followed by the rest of the body. It survives being frozen by ...more ↓

Virginian Tiger Moth

Spilosoma virginica is a species of moth in the Arctiinae subfamily. As a caterpillar, it is known as the Yellow woolly bear or Yellow bear caterpillar. As an adult, it is known as the Virginia tiger moth.

Many-spotted Tiger Moth

The Many-Spotted Tiger Moth (Hypercompe permaculata) is a tiger moth of the Arctiidae family and one of more than 80 species of Hypercompe. It is native to the western United States and parts of northern Mexico.

Citra tiger moth

Arachnis citra is a moth of the Arctiidae family. It was described by Neumögen and Dyar in 1893. It is found in North America, including Arizona, California, Colorado and Utah.

Nevada Tiger Moth

Grammia nevadensis, the Nevada Tiger-moth, is a moth of the Arctiidae family. It was described by Grote and Robinson in 1866. It is found in the Pacific Northwest of North America, as well as the inter mountain region and the Rocky Mountain states. In Canada, it is found in Alberta and southern Saskatchewan and Manitoba. The habitat consists of deserts, juniper woodlands ...more ↓

Williams' Tiger Moth

Grammia williamsii, Williams' Tiger Moth, is a moth of the Arctiidae family. It was described by Dodge in 1871. It is found from the Northwest Territories east to the northern Great Lakes region, New Brunswick and New England. It also occurs throughout the northern Great Plains, south at higher elevations to Arizona and New Mexico, west to south-eastern British Columbia ...more ↓

Great Tiger Moth

The garden tiger moth (Arctia caja) is a moth of the Arctiidae family.

Fragilis Tiger Moth

Virbia fragilis is a moth in the Arctiidae family. It was described by Strecker in 1878. It is found in open fields in the Black Hills in South Dakota and in Boulder, Colorado. The range extends north to Alberta and British Columbia and south to New Mexico.

Police Car Moth

The Police-Car Moth or Green Lattice (Gnophaela vermiculata) is a moth of the Arctiidae family. It is found in the western parts of the United States and south-western Canada, from British Columbia to California, east to New Mexico and north to Manitoba.

Yellow-collared Scape Moth

The Yellow-collared Scape Moth (Cisseps fulvicollis) is a species of the Arctiidae family.

Packard's Scape Moth

Cisseps packardii is a moth of the Arctiidae family. It was described by Grote in 1865. It is found from California to Manitoba.

Wright's Scape Moth

Cisseps wrightii is a moth of the Arctiidae family. It was described by Stretch in 1885. It is found in California.

Oregon Cycnia Moth

Cycnia oregonensis is a moth in the Arctiidae family. It is found in most of North America, from coast to coast and from the border with Mexico north to central Saskatchewan and Nova Scotia.

Freckled Glassy-wing

Pseudohemihyalea labecula, the Freckled Glassy-wing, is a moth in the Arctiidae family. It was described by Grote in 1881. It is found in southern Nevada, Utah, from Colorado to Arizona, New Mexico and western Texas.

Clio Tiger Moth

Ectypia bivittata, the Clio Moth or Clio Tiger Moth, is a moth of the Arctiidae family. It was described by Clemens in 1861. It is found in California and from south-western to western Nebraska and Texas. It is also found in Arizona, Utah, New Mexico and Colorado. The habitat consists of lowland areas, where it is found along creeks and rivers and in agricultural ...more ↓

Silver-spotted Tiger Moth

The Silverspotted Tiger Moth (Lophocampa argentata) is a species of moth in the family Arctiidae. Larvae of this moth utilize numerous host plants in western North America, notably including the Douglas-fir.

Spotted Tussock Moth

The Spotted Tussock Moth, Mottled Tiger or Spotted Halisidota (Lophocampa maculata) is a moth of the Arctiidae family. It is found across southern Canada, the western parts of the United States, south in Appalachians to South Carolina and Kentucky.

Pearly-winged Lichen Moth

Crambidia casta, the Pearly-winged Lichen Moth, is a moth of the Arctiidae family. It was described by Packard in 1869. It is found from North Carolina and Kentucky north to Nova Scotia. In the west it occurs from the Rocky Mountain states south to central Arizona and New Mexico. The habitat consists of eastern hardwood forests, juniper woodlands and sagebrush ...more ↓

Yellow-headed Lichen Moth

Crambidia cephalica, the Yellow-headed Lichen Moth, is a moth of the Arctiidae family. It was described by Grote and Robinson in 1870. It is found in the central and southern part of the United States, from eastern Nevada, Utah and Arizona to southern Ohio, Tennessee, North Carolina and northern Georgia. The habitat consists of steppes and open forests.

Inculta lichen moth

Hypoprepia inculta is a moth of the Arctiidae family. It was described by H. Edwards in 1882. It is found in the Rocky Mountain states from the Mexico border north to southern Wyoming and the Black Hills of South Dakota. The habitat consists of bunchgrass steppe.

Barnesii Lichen Moth

Cisthene barnesii is a moth of the Arctiidae family. It was described by Dyar in 1904. It is found in the Rocky Mountain region, from southern Montana and western North Dakota to the border with Mexico in Arizona and New Mexico. The habitat consists of dry bunchgrass steppe.

Gray Furcula Moth

The Gray Furcula Moth (Furcula cinerea) is a moth of the Notodontidae family. It is found in the United States, southern Canada and the Northwest Territories.

Common Gluphisia Moth

The Dusky Marbled Brown (Gluphisia crenata) is a moth of the Notodontidae family. It is found in Europe, east over parts of Russia and China up to Japan. It is also found in North America, where it was traditionally treated as a separate species, Gluphisia septentrionis.

Morning-glory Prominent

The Morning-glory Prominent Moth or False Unicorn Caterpillar (Schizura ipomoeae) is a moth of the Notodontidae family. It is found in the United States and southern Canada.

Unicorn Prominent

The Unicorn Caterpillar Moth, Unicorn Prominent or Variegated Prominent (Schizura unicornis) is a species of moth of the Notodontidae family. It is found in all of North America, except the arctic north.

Sigmoid Prominent Moth

The sigmoid prominent (Clostera albosigma) is a moth of the Notodontidae family. It is found from Newfoundland west to Vancouver Island, north to the Great Slave Lake and the Northwest Territories and south to at least Missouri.

Acute-lined Flower Moth

The Angled Gem or Acute-Lined Flower Moth (Schinia acutilinea) is a moth of the Noctuidae family. It is found in the dry southern portions of Saskatchewan, Alberta and British Columbia, south across the plains and Great Basin to southern Arizona and California.

Little Dark Gem

The Little Dark Gem (Schinia villosa) is a moth of the Noctuidae family. It is mostly a western mountain species, however it has also been found across the plains eastward across Alberta and Saskatchewan to southern Manitoba. West it is found up to the coast ranges of Washington and British Columbia, south to Arizona.

Poison hemlock moth

The Hemlock Moth, also known as the Defoliating Hemlock Moth or Poison Hemlock Moth, is a moth species of the family Oecophoridae (concealer moths). Therein, it belongs to the subfamily Depressariinae, which is (particularly in older sources) sometimes placed in the related family Elachistidae instead, or elevated to a full family Depressariidae within the Gelechioidea. ...more ↓

Mountain-mahogany Moth

The Mountain-mahogany Moth (Ethmia discostrigella) is a moth in the Ethmiidae family. It is found from the western United States, south into Mexico.

Crossidius coralinus

Crossidius coralinus is a species of beetle in the Cerambycidae family. It was described by LeConte in 1862.

Two-striped Grasshopper

Melanoplus bivittatus (two-striped grasshopper) is a poikilothermic species of grasshopper belonging to the genus Melanoplus. It is commonly found in North America, with high quantities inhabiting Canadian prairies and farmland.

Eastern Boxelder Bug

The boxelder bug (Boisea trivittata) is a North American species of true bug. It is found primarily on boxelder trees, as well as maple and ash trees. The adults are about 12.5 millimetres (0.49 in) long with a dark brown or black colouration, relieved by red wing veins and markings on the abdomen; nymphs are bright red.

Four-spotted Skimmer

The four-spotted chaser (Libellula quadrimaculata), known in North America as the four-spotted skimmer, is a dragonfly of the family Libellulidae found frequently throughout Europe, Asia, and North America.

Pale Snaketail

Ophiogomphus severus is a species of dragonfly in the family Gomphidae. It is commonly known as the pale snaketail.

Pacific Forktail

Ischnura cervula, the Pacific forktail, is a species of narrow-winged damselfly in the family Coenagrionidae. It is found in Central America and North America.

Western Red Damsel

Amphiagrion abbreviatum, the western red damsel, is a species of narrow-winged damselfly in the family Coenagrionidae. It is found in Central America and North America.

Spiny Tachinid Fly

Paradejeania rutilioides, known generally as the spiny tachina fly or hedgehog fly, is a species of bristle fly in the family Tachinidae. It is found in North America.

Adejeania vexatrix

Adejeania vexatrix is a species of fly in the family Tachinidae. It is found in western North America from Mexico to Wyoming and British Columbia. In addition to its bright orange abdomen and prominent, heavy black setae, this species is noted for its greatly elongated palpi, which stick straight forward from under the fly's head. A similar looking tachinid fly, Hystricia ...more ↓

Virile Crayfish

Faxonius virilis is a species of crayfish known as the virile crayfish, northern crayfish, eastern crayfish, and lesser known as the lake crayfish or common crawfish. Faxonius virilis was reclassified in August 2017, and the genus was changed from Orconectes to Faxonius. It is native to eastern United States and southeast ...more ↓

Common Pill Woodlouse

Armadillidium vulgare, the (common) pill-bug, potato bug, (common) pill woodlouse, roly-poly, doodle bug, or carpenter, is a widespread European species of woodlouse. It is the most extensively investigated terrestrial isopod species.

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)