Arthropods of Sweitzer Lake State Park
Sweitzer Lake State Park is located 3 miles south of the town of Delta, CO. The park lies at 5,000 feet elevation and encompasses about 137 acres of water and about 70 acres of land at the toe of the Garnet Mesa. The area is semi-arid with an average annual precipitation of about 12 inches. The ...more ↓
Western Black Widow
Latrodectus Hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen. This "hourglass" mark can be yellow, and on rare occasions, white. The male of the species is around half ...more ↓
Achemon Sphinx
The Achemon sphinx (Eumorpha achemon) is a moth of the Sphingidae family. It is native to North America, where it is known from most of the United States, southern Canada, and northern Mexico. It is rare or absent in the Pacific Northwest, Great Basin, and Southeastern United States except Florida.
White-lined Sphinx
The White-lined sphinx (Hyles lineata) is a moth of the Sphingidae family. Its range extends from Central America, through the United States and into parts of Canada.
Rocky Mountain clearwing
The Rocky Mountain clearwing or California Clearwing (Hemaris thetis) is a moth of the Sphingidae family. It is found from Colorado, New Mexico, Montana, Idaho, Wyoming and Utah west to California and north to British Columbia. The habitat consists of streamsides and meadows in mountainous areas.
Asella Sphinx
The Asellus Sphinx Moth (Sphinx asellus) is a moth of the Sphingidae family. It is known from pinyon-juniper woodland and similar arid areas in Colorado, Nevada, Utah, extreme south-western Wyoming, Arizona, New Mexico and south-western Texas.
Great Ash Sphinx
The Great Ash Sphinx or Northern Ash Sphinx (Sphinx chersis) is a moth that belongs to the family Sphingidae.
Doll's Sphinx
Doll's Sphinx Moth (Sphinx dollii) is a moth of the Sphingidae family. It is known from arid brushlands and desert foothills from Nevada and southern California east through Utah, Arizona, Colorado, and from New Mexico to Oklahoma and Texas.
Vashti Sphinx Moth
The Vashti Sphinx (Sphinx vashti) is a member of the Sphingidae family of moths. It is found from British Columbia east to Manitoba, south to southern California, Nevada, central Arizona, New Mexico and western Texas.
Apple Sphinx
The Apple Sphinx (Sphinx gordius) is a moth of the Sphingidae family. It is found in the northern parts of the United States and southern Canada, mostly east of the Rocky Mountains, additionally it is found along the east coast to Florida and in the Rocky Mountains to Colorado.
Pink-spotted Hawkmoth
The Pink-spotted Hawkmoth or Sweetpotato Hornworm (Agrius cingulata syn. A. cingulatus) is a species of moth in the Sphingidae family.
One-eyed Sphinx
Smerinthus cerisyi (one-eyed sphinx or Cerisy's sphinx) is a moth of the family Sphingidae. It is known from south-eastern Alaska, the southern parts of all Canadian provinces and in the northern border states of the United States south into northern Indiana, Pennsylvania and Ohio and along the west coast to southern California, eastward to the Rocky Mountains and ...more ↓
Twin-spotted Sphinx
The Twin-spotted Sphinx (Smerinthus jamaicensis) is a moth of the Sphingidae family. It is widely distributed across North America and is found everywhere except in the southern half of western California. It has been taken as far north as the Yukon.
Western Poplar Sphinx
The Big Poplar Sphinx (Pachysphinx occidentalis) is a moth of the Sphingidae family. It lives throughout Canada and the United States. The habitat consists of riparian areas and suburbs.
Columbia Silk Moth
The Columbia Silkmoth or Larch Silkmoth (Hyalophora columbia) is a moth of the Saturniidae family. In the east it is found from Quebec and Ontario to Michigan, northern Wisconsin, and south-eastern Manitoba. In the west it is found from Alberta and Montana south through the Rocky Mountains to south-western Texas and into central Mexico. Glover's Silkmoth, ...more ↓
Polyphemus Moth
The Polyphemus Moth (Antheraea polyphemus) is a North American member of the family Saturniidae, the giant silk moths. It is a tan colored moth, with an average wingspan of 15 cm (6 inches). The most notable feature of the moth is its large, purplish eyespots on its two hindwings. The eye spots are where it gets its name – from the Greek myth of the Cyclops Polyphemus. ...more ↓
Nuttall's Sheep Moth
Hemileuca nuttalli, Nuttall's sheep moth, is a moth in the family Saturniidae. It is found from south-eastern British Columbia to eastern Washington, eastern Oregon, north-eastern California, Idaho, Nevada, northern Arizona, Utah, Montana, Wyoming, Colorado and north-western New Mexico.
Rocky Mountain Parnassian
The Rocky Mountain Parnassian or Mountain Parnassian (Parnassius smintheus) is a high-altitude butterfly which is found in the U.S. and Canada. It is a member of the Snow Apollo genus Parnassius of the Swallowtail (Papilionidae) family.
Indra Swallowtail
Papilio indra, the Indra swallowtail, short-tailed black swallowtail, or cliff swallowtail, is a western North American butterfly in the family Papilionidae.
Old World Swallowtail
Papilio machaon, the Old World swallowtail, is a butterfly of the family Papilionidae. The butterfly is also known as the common yellow swallowtail or simply the swallowtail (a common name applied to all members of the family, but this species is the 'original', first to go by the name). It is the type species of the genus Papilio.
Anise Swallowtail
The Anise Swallowtail, Papilio zelicaon, is a common swallowtail butterfly of western North America. Both the upper and lower sides of its wings are black, but the upper wing has a broad yellow stripe across it, which gives the butterfly an overall yellow appearance. There are striking blue spots on the rear edge of the rear wing, and the characteristic tails of the ...more ↓
Pale Swallowtail
Papilio eurymedon, the pale swallowtail or pallid swallowtail, is a relatively common swallowtail butterfly found throughout much of the western North America. It is found on the Pacific coast from northern Baja California to southernmost British Columbia and inland to New Mexico and the Black Hills of South Dakota. It is present from the coast to western Montana ...more ↓
Two-tailed Swallowtail
The Two-tailed Swallowtail (Papilio multicaudata) is a species of the Papilionidae family found in western North America from British Columbia to Central America.
Western Tiger Swallowtail
The Western Tiger Swallowtail (Papilio rutulus) is a common swallowtail butterfly of western North America, frequently seen in urban parks and gardens as well as in rural woodlands and riparian areas. It is a member of the Papilio genus, of which Papilio appalachiensis and Papilio xuthus are also members. It is a large, brightly colored and active butterfly, ...more ↓
Yucca Giant-skipper
Megathymus yuccae, commonly known as the Yucca Giant-Skipper, is a rare early season butterfly that is widespread across the southern United States. It belongs in the family Hesperiidae, subfamily Megathyminae.
Common Roadside-Skipper
Amblyscirtes vialis (the Common Roadside Skipper) is a butterfly of the Hesperiidae family. It is found from British Columbia east across southern Canada to Maine and Nova Scotia, south to central California, northern New Mexico, Texas, the Gulf states and northern Florida.
Woodland Skipper
The Woodland Skipper (Ochlodes sylvanoides) is a butterfly of the Hesperiidae family. It is found from British Columbia south to southern California, east to Montana, Colorado and Arizona.
Western Branded Skipper
The Western Branded Skipper (Hesperia colorado) is a butterfly of the Hesperiidae family.
Juba Skipper
The Juba Skipper, Yuba Skipper, or Jagged-border Skipper (Hesperia juba) is a butterfly of the Hesperiidae family. It is found from British Columbia, south to southern California, east to Montana, Wyoming, Colorado, and north-western New Mexico.
Nevada Skipper
The Juba Skipper, Yuba Skipper, or Jagged-border Skipper (Hesperia juba) is a butterfly of the Hesperiidae family. It is found from British Columbia, south to southern California, east to Montana, Wyoming, Colorado, and north-western New Mexico.
Draco Skipper
The Draco Skipper, Rocky Mountain Skipper, or Dragon Skipper (Polites draco) is a butterfly in the Hesperiidae family. It is found on the Rocky Mountain states and provinces from Arizona to the Yukon Territory.
Sandhill Skipper
The Sandhill Skipper or Saltgrass Skipper (Polites sabuleti) is a butterfly in the Hesperiidae family. It is found from southern British Columbia and eastern Washington, south through California and northern Arizona to Baja California and east to south-eastern Wyoming, central Colorado, and north-eastern New Mexico. It is an introduced species in Hawaii.
Rhesus Skipper
The Rhesus Skipper or Plains Gray Skipper (Polites rhesus) is a butterfly in the Hesperiidae family. It is found from Texas to North Dakota, as far north, but infrequently, as Saskatchewan and Alberta.
Dun Skipper
The Dun Skipper, Sedge Witch or Dun Sedge Skipper (Euphyes vestris) is a species of butterfly of the Hesperiidae family. It is found from Nova Scotia west across southern Canada to southern Alberta, south to Florida, the Gulf Coast and eastern Texas. There are disjunct populations in the high plains and Rocky Mountains and along the Pacific Coast.
Garita Skipperling
The Garita Skipperling, Western Skipperling, or Garita Skipper (Oarisma garita) is a North American butterfly in the family Hesperiidae (skippers), subfamily Hesperiinae (grass skippers). This skipper ranges southeastern Manitoba to British Columbia and south through the American Midwest as far south as Mexico.
Mexican Cloudywing
The Mexican Cloudywing, Mountain Cloudy Wing or Nevada Cloudy Wing (Thorybes mexicana) is a butterfly of the Hesperiidae family. It is found in the high elevation mountains of the western United States south into Mexico.
Afranius Duskywing
Afranius Duskywing or Bald Duskywing (Erynnis afranius) is a butterfly of the Hesperiidae family. It is found from northern Mexico through central United States to southern Alberta, Saskatchewan, and Manitoba.
Sleepy Duskywing
E. brizo is a species of Hesperiidae that occurs throughout North America and is commonly confused with E. juvenalis and E. lucilius.
Horace's Duskywing
Horace's Duskywing (Erynnis horatius) is a butterfly of the Hesperiidae family. It is found from Massachusetts, west to eastern South Dakota, south through most of the eastern United States to Florida, the Gulf Coast, and southern Texas, south in the west through south-eastern Utah, Colorado, north-eastern Arizona, and New Mexico. Fringes are brown. Upperside of male forewing is ...more ↓
Dreamy Duskywing
The Dreamy Duskywing or Aspen Dusky Wing (Erynnis icelus) is a butterfly of the Hesperiidae family. It is found in boreal North America, from the Northwest Territories east across southern Canada to Nova Scotia, south in the western mountains to southern Arizona and southern New Mexico, south in the east to Arkansas, north-eastern Alabama and northern Georgia.
Pacuvius Duskywing
Pacuvius Duskywing, Dyar's Duskywing, or Buckthorn Dusky Wing (Erynnis pacuvius) is a butterfly of the Hesperiidae family. It is found in most of the western United States and in southern British Columbia.
Persius Duskywing
Erynnis persius, the Persius duskywing, is a butterfly of the family Hesperiidae that occurs in North America. It is a threatened species in Michigan and is protected by law.
Common Checkered-Skipper
The Common Checkered-skipper (Pyrgus communis) is a species of butterfly in the Hesperiidae family. It is known as the frequently seen Pyrginae species in the northern United States by collectors and watchers alike.
Northern Grizzled Skipper
The Northern Grizzled Skipper (Pyrgus centaureae) is a species of skipper (family Hesperiidae). This is a species of the mountainous regions of Scandinavia, flying in June and July.
Small Checkered Skipper
The Small Checkered Skipper (Pyrgus scriptura) is a species of skipper (family Hesperiidae). It is found from the Texas to Montana, southeastern Alberta, and southwestern Saskatchewan.
Northern White-Skipper
Heliopetes ericetorum commonly known as the northern white-skipper, is a butterfly of the Hesperiidae family. It is found from eastern Washington south to western Colorado, southern California, Arizona, Baja California and north-western Mexico. The habitat consists of open woodland, chaparral, dry washes, desert mountains and arid lands.
Mojave Sootywing
The Mojave Sootywing, Mohave Sootywing, Great Basin Sootywing or Lena Sooty Wing (Hesperopsis libya) is a butterfly of the Hesperiidae family. It is found from eastern Oregon east to Montana and south to southern California, Arizona, Baja California, and north-western Mexico.
Common Sootywing
Pholisora catullus (the Common Sootywing or Roadside Rambler) is a butterfly of the Hesperiidae family. It is found from the central parts of the United States, south to central Mexico. Strays may colonizes up to southern British Columbia, northern Michigan, southern Quebec and southern Maine. It is not found on Peninsular Florida.
Hackberry Emperor
The Hackberry Emperor (Asterocampa celtis) is a North American butterfly that belongs to the family of brushfooted butterflies, Nymphalidae.
Bredow's Sister
Adelpha bredowii, commonly known as Bredow's Sister, is a species of butterfly in the family Nymphalidae. It is endemic to western, central, and southern Mexico. Adelpha bredowii belongs to the serpa species-group in the genus Adelpha (sisters). Adelpha bredowii previously included two subspecies, the California Sister (Adelpha bredowii ...more ↓
Viceroy
The viceroy (Limenitis archippus) is a North American butterfly that ranges through most of the contiguous United States as well as parts of Canada and Mexico. The westernmost portion of its range extends from the Northwest Territories along the eastern edges of the Cascade Range and Sierra Nevada mountains, southwards into central Mexico. Its easternmost range extends along the ...more ↓
Lorquin's Admiral
The Lorquin's Admiral (Limenitis lorquini) is a butterfly in the Nymphalinae subfamily. The butterfly is named after Pierre Joseph Michel Lorquin, a French naturalist who came to California from France during the Gold Rush and made important discoveries on the natural history of the terrain.
Weidemeyer's Admiral
The Weidemeyer's Admiral (Limenitis weidemeyerii) is a butterfly from the Nymphalinae subfamily, in western North America.
Variable Checkerspot
The Variable Checkerspot or Chalcedon Checkerspot (Euphydryas chalcedona) is a butterfly in the family Nymphalidae. It is found in western North America, where its range stretches from Alaska in the north to Baja California in the south and extends east through the Rocky Mountains into Colorado, Montana, New Mexico and Wyoming. The butterfly is usually brown or ...more ↓
Edith's Checkerspot
Edith’s Checkerspot, also known as Euphydryas editha, is a species of butterfly in the Nymphalidae family. It’s a resident species of western North America and among the subspecies, entomologists have long been intrigued by their many phenotypic variations in coloration, wing length, and overall body size. Most populations are monophagous and rely on plants including Plantago ...more ↓
Tawny Crescent
The Tawny Crescent (Phyciodes batesii) is a species of Nymphalidae that occurs in North America.
Northern Crescent
The Northern Crescent (Phyciodes cocyta) is a butterfly of the Nymphalidae family. It is found in the Nearctic ecozone.
Mylitta Crescent
The Mylitta Crescent or Mylitta Crescentspot (Phyciodes mylitta) is a butterfly of the Nymphalidae family. It is found in the western North America.
Pale Crescent
The Pale Crescent or Pallid Crescentspot (Phyciodes pallida) is a butterfly of the Nymphalidae family. It is found in the western North America.
Field crescent
The Field Crescent (Phyciodes pulchella) is a butterfly of the Nymphalidae family. It is found in the Nearctic ecozone.
Pearl Crescent
The Pearl Crescent (Phyciodes tharos) is a butterfly of North America. It is found in all parts of the United States except the west coast, and throughout Mexico and parts of southern Canada, in particular Ontario. Its habitat is open areas such as pastures, road edges, vacant lots, fields, open pine woods. Its pattern is quite variable. Males usually have black antennal ...more ↓
Sagebrush Checkerspot
Sagebrush Checkerspot (Chlosyne acastus) is a member of the Nymphalidae family that is found in North America. They range from western United States east to Nebraska and to southern Alberta.
Leanira checkerspot
The Leanira Checkerspot (Chlosyne leanira) is a butterfly of the Nymphalidae family. It is found from western Oregon south to California, Nevada, Utah and western Colorado, as well as Baja California.
Silvery Checkerspot
The Silvery Checkerspot (Chlosyne nycteis) is a species of Nymphalinae that occurs in North America.
Northern Checkerspot
Northern Checkerspot (Chlosyne palla) is a member of the Nymphalidae family that is found in North America. They range from southern British Columbia to Alberta, south to California, Utah, and Colorado, excluding Nevada.
Carlota Checkerspot
The Gorgone Checkerspot (Chlosyne gorgone) is a species of Nymphalinae that occurs in North America.
Dotted Checkerspot
Poladryas is a monotypic genus of butterflies from USA and Central America in the family Nymphalidae that contains the species Dotted Checkerspot (Poladryas minuta).
West Coast Lady
The West Coast Lady (Vanessa annabella) is one of three North American species of brush-footed butterflies known colloquially as the "painted ladies". V. annabella occurs throughout much of the western US and south western Canada. The other two species are the cosmopolitan Vanessa cardui (Painted Lady) and the eastern Vanessa virginiensis (American ...more ↓
Painted Lady
Vanessa cardui is a well-known colourful butterfly, known as the Painted Lady, or in North America as the Cosmopolitan. This butterfly has a strange pattern of flying in a sort of screw shape.
American Lady
The American Painted Lady or American Lady (Vanessa virginiensis) is a butterfly found throughout North America.
Green Comma
The Green Comma (Polygonia faunus) is a butterfly of the Nymphalidae family. It is found in North America.
Hoary Comma
The Hoary Comma (Polygonia gracilis) is a species of butterfly, common in boreal North America from Alaska, across southern Canada to New England and the Maritime Provinces and south to New Mexico from the Rocky Mountains to the Pacific Ocean. The wings have a distinctive ragged edge.
Grey Comma
The Gray Comma or Grey Comma (Polygonia progne) is a species of Polygonia that occurs in North America.
Satyr Comma
The Satyr Comma (Polygonia satyrus) is a North American butterfly of the species nymphalid, primarily found in Western Canada, where it is locally common. It bears a resemblance to the Eastern Comma, with which it is frequently confused.
Milbert's tortoiseshell
Milbert's Tortoiseshell (Aglais milberti), also known as the Fire-rim Tortoiseshell, is the only species of Aglais that occurs in North America.
Common Buckeye
The common buckeye or simply, buckeye, (Junonia coenia) is a butterfly in the family Nymphalidae. It is found in southern Manitoba, Ontario, Quebec, and Nova Scotia and all parts of the United States except the northwest, and is especially common in the south, the California coast, and throughout Central America and Colombia. The sub-species Junonia coenia bergi is ...more ↓
Chryxus Arctic
The Chryxus Arctic (Oeneis chryxus) is a butterfly, a species of Satyrinae that occurs in North America.
Common Alpine
The Common Alpine (Erebia epipsodea) is a member of the Satyrinae subfamily of Nymphalidae. It is found from Alaska south through the Rocky Mountains to northern New Mexico and east across the prairie provinces to southwest Manitoba.
Magdalena Alpine
Erebia magdalena (Magdalena alpine) is a member of the Satyrinae subfamily of Nymphalidae. It is found from Montana, Colorado, Utah, and New Mexico, and in Canada in a small part of the Wilmore Wilderness Provincial Park, Alberta, and adjacent British Columbia, in Stone Mountain Provincial Park in northern British Columbia, and on an isolated nunatak in Kluane National ...more ↓
Small Wood-Nymph
The Small Wood-nymph or Dark Wood-nymph (Cercyonis oetus) is a butterfly of the Nymphalidae family. It is found in Western North America.
Common Wood-Nymph
The Common Wood-nymph (Cercyonis pegala) is a North American butterfly in the family Nymphalidae. It is also known as the Wood-nymph, Grayling,Blue-eyed Grayling, and the Goggle Eye.
Great Basin Wood-Nymph
The Great Basin Wood-nymph (Cercyonis sthenele) is a North American butterfly in the family Nymphalidae.
Aphrodite Fritillary
The Aphrodite Fritillary (Speyeria aphrodite) is a fritillary butterfly, from North America. This orange coloured fritillary has rows of dark dots or chevrons at the wing edges and black or brown lines more proximally. The ventral side of the wings are also orange with several rows of white dots. Its wingspan is between 51 and 73 mm.
