Covering more than 1,900 surface acres, Barr Lake is one of the largest prairie reservoirs in Colorado open to public recreation. Barr Lake provides habitat for more than 340 species of birds and its significance is recognized on both national and international levels. Nearly 700 acres of ...more ↓
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 ...more ↓
Argiope trifasciata (the banded garden spider or banded orb weaving spider) is a species of spiders found around the world. It can be found in certain areas of Europe, namely the Iberian Peninsula, the Canary Islands, and Madeira, The similar looking Argiope bruennichi is common in the Azores. as well as in North America. Considered a pest in some areas, ...more ↓
Araneus gemmoides, commonly known as the jewel spider (a name shared with Austracantha minax) and cat-faced spider (a name shared with Araneus gemma), is a common outdoor orb-weaver spider found in the USA and Canada. They are considered harmless and have low-toxicity venom. A. gemmoides are useful natural predators for insects.
Neoscona crucifera is an orb-weaver spider in the family Araneidae. It is found in the United States from Maine to Florida in the east, to Minnesota in the Midwest, to Arizona in the southwest, and in Mexico. Its common names include Hentz orbweaver, spotted orbweaver, and barn spider, though the latter nickname suggests the confusion that can result from using ...more ↓
The spider species Tegenaria domestica, commonly known as the barn funnel weaver in North America and the domestic house spider in Europe, is a member of the funnel-web family Agelenidae and a close relative of the hobo spider.
The spider species Herpyllus ecclesiasticus is commonly called the eastern parson spider, after the abdominal markings resembling an old-style cravat worn by clergy in the 18th century. It is mainly found in Central USA, with finds stretching from North Carolina to southern Alberta, Canada.
Sassacus papenhoei is a species of jumping spider in the family Salticidae. It is found in North America.
Phidippus clarus is a species of jumping spider (family Salticidae) found in old fields throughout eastern North America. It often waits upside down near the top of a plant, which may be useful for detecting prey, and then quickly jumps down before the prey can escape. The spider is one of 60 species in the genus Phidippus,:vii and one of about 5,000 in the Salticidae, a ...more ↓
Phidippus audax is a common jumping spider of North America. It is commonly referred to as the daring jumping spider, or bold jumping spider. The average size of adults ranges from roughly 13–20 millimetres (0.51–0.79 in) in length. They are typically black with a pattern of spots and stripes on their abdomen and legs. Often these spots are orange-tinted in ...more ↓
Phidippus apacheanus is a species of jumping spider in the family Salticidae. It is found in the United States, Mexico, and Cuba.
Sitticus fasciger is a species of spider from the Salticidae family indigenous to north and west Asia but now introduced to North America.
Attulus fasciger is a species of spider from the family Salticidae native to northern and western Asia but now introduced to North America.
Talavera minuta is a species of jumping spider in the family Salticidae. It is found in Russia, Canada, and the United States.
The zebra back spider (Salticus scenicus) is a common jumping spider of the Northern Hemisphere. Like other jumping spiders it does not build a web. It uses its four pairs of large eyes to locate and stalk its prey before pouncing on it. Their common name refers to their vivid black and white colouration, whilst their scientific name derives from Salticus from the Latin ...more ↓
The woodlouse spider, Dysdera crocata, is a species of spider that preys primarily upon woodlice. Other common names refer to variations on the common name of its prey, including woodlouse hunter, sowbug hunter, sowbug killer, pillbug hunter and slater spider.
Phalangium opilio is "the most widespread species of harvestman in the world", occurring natively in Europe, and much of Asia, and having been introduced to North America, North Africa and New Zealand. It is found in a wide range of habitats, including meadows, bogs, forests, and various types of anthropogenic habitats, such as gardens, fields, hedgerows, lawns, quarries, green ...more ↓
The Juanita Sphinx (Proserpinus juanita) is a moth of the Sphingidae family. It is found from North Dakota south to Arizona and east to Missouri and Texas.
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.
The Snowberry Clearwing (Hemaris diffinis) is a moth of the order Lepidoptera, family Sphingidae.
Pachysphinx occidentalis (big poplar sphinx) is a moth of the family Sphingidae. It lives throughout Canada and the United States. The habitat consists of riparian areas and suburbs.
The Cecropia Moth (Hyalophora cecropia) is North America's largest native moth. It is a member of the Saturniidae family, or giant silk moths. Females with a wingspan of six inches (160 mm) or more have been documented. It is found as far west as the Rocky Mountains and north into the majority of Canadian provinces. The larvae of these moths are most commonly found on ...more ↓
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 ↓
Antheraea polyphemus (polyphemus moth) 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 in). The most notable feature of the moth is its large, purplish eyespots on its two hind wings. The eye spots give it its name – from the Greek myth of the Cyclops Polyphemus. The species is ...more ↓
The Pandora Pinemoth or Pandora Moth, Coloradia pandora, is an insect belonging to the Coloradia genus of moths. It is native to the western United States. The larvae of the Pandora Moth feed on the foliage of several species of pine trees, including the lodgepole, Jeffrey, and ponderosa pines. The larvae populations sometimes reach high enough levels to cause ...more ↓
The Io Moth (Automeris io) is a very colorful North American moth in the Saturniidae family. It ranges from the southeast corner of Manitoba and in the southern extremes of Ontario, Quebec, and New Brunswick in Canada, and in the US it is found from Montana, North Dakota, South Dakota, Nebraska, Colorado, New Mexico, Texas, Utah, east of those states and down to the ...more ↓
Papilio polyxenes, the (eastern) black swallowtail, American swallowtail or parsnip swallowtail, is a butterfly found throughout much of North America. It is the state butterfly of Oklahoma and New Jersey. An extremely similar-appearing species, Papilio joanae, occurs in the Ozark Mountains region, but it appears to be closely related to ...more ↓
Papilio glaucus, the eastern tiger swallowtail, is a species of swallowtail butterfly native to eastern North America. It is one of the most familiar butterflies in the eastern United States, where it is common in many different habitats. It flies from spring to fall, during which it produces two to three broods. Adults feed on the nectar of many species of flowers, ...more ↓
The Two-tailed Swallowtail (Papilio multicaudata) is a species of the Papilionidae family found in western North America from British Columbia to Central America.
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 ↓
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.
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.
The Oslar's roadside skipper (Amblyscirtes oslari) is a butterfly of the Hesperiidae family. It is found from southern Alberta, Saskatchewan, and North Dakota south through the high plains and Rocky Mountains to Arizona, New Mexico, and south Texas.
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.
The Western Branded Skipper (Hesperia colorado) is a butterfly of the Hesperiidae family.
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.
The Leonard's Skipper (Hesperia leonardus) is a butterfly of the Hesperiidae family. There are three subspecies. Next to the nominate species, these are the Pawnee Skipper (ssp. pawnee), which is found from western Montana and south-eastern Saskatchewan east to Minnesota, south to central Colorado and Kansas. Leonard's Skipper ranges from Nova Scotia and Maine west ...more ↓
The Long Dash or Long Dash Skipper (Polites mystic) is a species of butterfly. The species is commonly found in north of North America and in mountains in the south of North America, in grassy habitats. The grassy areas include meadows, marshes, streamsides, wood edges, and prairie swales. On the top, the species is dark brown reddish to yellowish orange markings. The ...more ↓
The Crossline Skipper (Polites origenes) is a butterfly in the Hesperiidae family. It is found in the eastern United States, excepting Florida, southern Ontario, and Quebec.
The Peck's Skipper (Polites peckius) is a North American butterfly in the family Hesperiidae (skippers), subfamily Hesperiinae (grass skippers). This skipper ranges across Canada from British Columbia, as far north as Cartwright, Labrador; Moar Lake, Ontario; Leaf Rapids, Manitoba; and the Hay River area in Alberta. In the US, it ranges in most of the northern and central ...more ↓
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.
The Tawny-edged Skipper (Polites themistocles) is a North American butterfly in the family Hesperiidae.
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.
The Delaware Skipper (Anatrytone logan) is a North American butterfly in the family Hesperiidae (skippers), subfamily Hesperiinae (grass skippers). This skipper ranges from the southern Prairies in Canada and southern Ontario and southwards through the midwestern and eastern states in the US.
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.
The Silver-spotted Skipper (Epargyreus clarus) is a butterfly of the family Hesperiidae. It is claimed to be the most recognized skipper in North America.
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.
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.
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.
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.
The Hackberry Emperor (Asterocampa celtis) is a North American butterfly that belongs to the family of brushfooted butterflies, Nymphalidae.
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 ↓
The Weidemeyer's Admiral (Limenitis weidemeyerii) is a butterfly from the Nymphalinae subfamily, in western North America.
The Field Crescent (Phyciodes pulchella) is a butterfly of the Nymphalidae family. It is found in the Nearctic ecozone.
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 ↓
Chlosyne gorgone, the gorgone checkerspot, is a species of Nymphalinae butterfly that occurs in North America.
Poladryas is a monotypic genus of butterflies from USA and Central America in the family Nymphalidae that contains the species Dotted Checkerspot (Poladryas minuta).
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 ↓
Vanessa atalanta, the red admiral or previously, the red admirable,is a well-characterized, medium-sized butterfly with black wings, orange bands, and white spots. It has a wingspan of about 2 inches (5 cm). It was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. The red admiral is widely distributed across temperate regions of ...more ↓
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.
The American Painted Lady or American Lady (Vanessa virginiensis) is a butterfly found throughout North America.
Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America.
The Eastern Comma (Polygonia comma) is a North American butterfly in the family Nymphalidae, subfamily Nymphalinae.
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.
The Question Mark (Polygonia interrogationis) is a North American nymphalid butterfly. They live in wooded areas and city parks, or generally in areas which feature trees and free spaces. The adult butterfly has a wingspan of 4.5–7.6 cm (1.8–3.0 in). Its flight period is from May to September. "The silver mark on the underside of the hindwing is broken into two parts, a curved ...more ↓
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 (Aglais milberti), also known as the Fire-rim Tortoiseshell, is the only species of Aglais that occurs in North America.
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 ↓
The Melissa Arctic (Oeneis melissa) is a species of butterfly in the Nymphalidae family. It has a Holarctic distribution, ranging from Siberia and the North American arctic from Alaska east to Baffin Island and Labrador. Isolated populations are found from the Rocky Mountains south to northern New Mexico and in the White Mountains of New Hampshire. The habitat consists of ...more ↓
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.
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.
The Great Spangled Fritillary (Speyeria cybele) is a butterfly of the Nymphalidae family.
The Edwards' Fritillary (Speyeria edwardsii) is a butterfly of the Nymphalidae family of North America. It is common from Alberta west to Manitoba and south as far as northern New Mexico.
The regal fritillary (Speyeria idalia) is a striking nymphalid butterfly found among some of the remaining tallgrass and mixed-grass prairies in the east-central United States. This prairie-specialist butterfly has a characteristic deep orange color and unmistakable dark hindwings with two bands of spots (Brock 2003). On the female, both bands of spots are white. However, on the ...more ↓
The Variegated Fritillary (Euptoieta claudia) is a North and South American butterfly in the family Nymphalidae. Even though the Variegated Fritillary has some very different characteristics from the Speyeria Fritillaries, it is still closely related to them. Some of the differences are: Variegated Fritillaries have 2–3 broods per year vs. one per year in Speyeria; ...more ↓
The queen butterfly (Danaus gilippus) is a North and South American butterfly in the family Nymphalidae with a wingspan of 70–88 mm (2.8–3.5 in). It is orange or brown with black wing borders and small white forewing spots on its dorsal wing surface, and reddish ventral wing surface fairly similar to the dorsal surface. The ventral hindwings have black veins and small white ...more ↓
The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. Other common names depending on region include milkweed, common tiger, wanderer, and black veined brown. It may be the most familiar North American butterfly, and is considered an iconic pollinator species. Its ...more ↓
The American Snout or Common Snout Butterfly (Libytheana carinenta) is a member of the Libytheinae subfamily, in the brush-footed butterfly family Nymphalidae. This species is found in both North and South America. The larval host plants are Celtis spp. on which the eggs are laid singly. Massive migrations of this species often attract attention in the Texas ...more ↓