Denver-Boulder Metro Area: Bugs
This guide contains spiders, bees, wasps, ants, beetles, dragonflies, grasshoppers, flies and other bugs that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
Bold Jumper
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 striped on their abdomen and legs. Often these spots are orange-tinted in ...more ↓
Hart's Jumping Spider
Tutelina harti is a species of jumping spider in the family Salticidae. It is found in the United States and Canada.
Asiatic Wall Jumping Spider
Attulus fasciger is a species of spider from the family Salticidae native to northern and western Asia but now introduced to North America.
Flower Jumping Spider
Attulus floricola is a species of jumping spider (family Salticidae) with a Palearctic distribution. They are typically 4–4.5 millimetres (0.16–0.18 in) in length. Females are dark reddish brown, with an almost black anterior.
Flower Jumping Spider
Calositticus floricola is a species of jumping spider (family Salticidae) with a Palearctic distribution. They are typically 4–4.5 millimetres (0.16–0.18 in) in length. Females are dark reddish brown, with an almost black anterior.
Minute Jumping Spider
Talavera minuta is a species of jumping spider in the family Salticidae. It is found in Russia, Canada, and the United States.
Contrasting Jumping Spider
Euophrys monadnock is a species of jumping spider which occurs in the United States and Canada. It was first described by James Henry Emerton in 1891.
Zebra Jumper
The zebra spider, Salticus scenicus, is a common jumping spider. Like other jumping spiders, it doesn't build a web. It uses its four pairs of large eyes to locate prey and its jumping ability to pounce and capture it. Zebra spiders are often noted for their awareness of humans. Upon noticing someone observing them, they can be seen raising their head, and usually change ...more ↓
Evarcha proszynskii
Evarcha proszynskii is a species of jumping spider in the family Salticidae. It is found in a range from Russia to Japan, the United States, and Canada.
Habronattus altanus
Habronattus altanus is a species of jumping spider in the family Salticidae. It is found in North America.
Habronattus festus
Habronattus festus is a species of jumping spider in the family Salticidae. It is found in the United States.
Habronattus conjunctus
Habronattus conjunctus is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico.
Habronattus calcaratus
Habronattus calcaratus is a species of jumping spiders from a Salticidae family, that can be found in the United States.
Habronattus clypeatus
Habronattus clypeatus is a species of jumping spider which occurs in the United States and Mexico. Its range extends from the southern Rocky Mountains to the northern Sierra Madre Occidental and Sonoran Desert. It belongs to the viridipes species group within the genus Habronattus.
Black Laceweaver
Amaurobius ferox, sometimes known as the black lace-weaver, is a spider belonging to the family Amaurobiidae. It is distributed in Europe and North America and has been introduced into New Zealand.
Giant Crab Spider
Heteropoda venatoria is a species of spider in the family Sparassidae, the huntsman spiders. It is native to the tropical regions of the world, and it is present in some subtropical areas as an introduced species. Its common names include giant crab spider and cane spider.
American Cellar Spider
Pholcophora americana is a species of cellar spider in the family Pholcidae. It is found in the United States and Canada.
Common Spitting Spider
Scytodes thoracica is a spitting spider, so called because it spits a venomous sticky silken substance over its prey. Its size ranges between 3–6 mm (0.12–0.24 in). The carapace is unusual in sloping upwards towards its rear end, whereas the abdomen slopes downwards.
Scytodes univittata
Scytodes univittata is a species of spitting spider in the family Scytodidae. It is found in Egypt, Iran, India, Turkmenia, Kirghizia, has been introduced into Hawaii, Mexico, Cuba, Venezuela, Brazil, Paraguay, Chile, CanaryIslands, and Spain.
Brown Recluse
The brown recluse, Loxosceles reclusa, Sicariidae (formerly placed in a family "Loxoscelidae") is a recluse spider with a necrotic venom. Similar to other recluse spider bites, their bite sometimes requires medical attention. The brown recluse is one of three spiders (the others being black widow and Loxosceles laeta, the Chilean recluse) with medically significant ...more ↓
Woodlouse Spider
The woodlouse spider, Dysdera crocata, is a species of spider that preys exclusively upon woodlice. Other common names refer to variations on the common name of its prey. These are woodlouse hunter, sowbug hunter, sowbug killer, pillbug hunter and slater spider.
European Harvestman
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 ↓
Rocky Mountain Wood Tick
Dermacentor andersoni, commonly known as the Rocky Mountain wood tick, is a hard tick with 3 life stages including: larvae, nymph and adult. This tick is generally located in the NW United States and SW Canada along the Rocky Mountains. This tick is generally a vector for Colorado tick fever but can also be a vector for Rocky Mountain Spotted Fever and Tularemia. During ...more ↓
American Dog Tick
Dermacentor variabilis, also known as the American dog tick or wood tick, is a species of tick that is known to carry bacteria responsible for several diseases in humans, including Rocky Mountain spotted fever and tularemia (Francisella tularensis). It is one of the most well-known hard ticks. Diseases are spread when it sucks blood from the host, which ...more ↓
Poison Ivy Leaf Mite
Aculops rhois, the poison ivy gall mite, is a species of Eriophyid mite found in North America. They form galls in poison ivy as well as other members of North American Toxicodendron and some species of Rhus (including fragrant sumac).
Willow Bead Gall Mite
Aculus tetanothrix is a species of mite which causes galls on the leaves of willows (Salix species). It was first described by Alfred Nalepa in 1889.
Red Nail Gall Mite
Eriophyes tiliae is a mite (an acarid, not an insect) that forms the lime nail gall or bugle gall. It develops in a chemically induced gall; an erect, oblique or curved distortion rising up from the upper surface of the leaves of the common lime (linden) tree Tilia × europaea.
