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Hard Ticks (Ticks In Colorado) Tag

Ixodes baergi

October 22, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Ixodes baergi Distribution In the US, Ixodes baergi occurs in Arkansas, Colorado, Illinois, Michigan, Oklahoma, Texas. It also occurs in Ontario, Canada and it may be present undetected elsewhere in association with its typical hosts, cliff swallows. Hosts Ixodes baergi are associated with their host, the cliff swallow. Larvae and nymphs feed on adult birds, whereas adult females feed on nestlings and have a specific drop-off rhythm that occurs between 2200 (10 p.m.) and 0400 hrs. (4 a.m.). Males were not collected from hosts; they rested nearby (on culvert walls), suggesting that they may not feed as adults. In Texas, this species appears to overwinter as larvae. Vector Status An uncharacterized, transovarially transmitted arbovirus (Bunyaviridae), was isolated from I. baergi in Oklahoma. Resources H Joel Hutcheson, James W Mertins, Boris C Kondratieff,...

Ixodes angustus

October 22, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Ixodes angustus  Distribution This tick is widely distributed throughout North America, including Canada, the United States and northern Mexico. Distribution in the US includes Alaska, Arizona, California, Colorado, Georgia, Idaho, Indiana, Massachusetts, Maine, Michigan, Minnesota, Montana, North Carolina, North Dakota, New Hampshire, New Mexico, Nevada, New York, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Utah, Virginia, Vermont, Washington, West Virginia, Wisconsin, and Wyoming. It is also found in northern Mexico, as well as all of the southern Canadian provinces, from British Columbia east to Newfoundland. Hosts Hosts include nearly 100 species, primarily rodents and insectivores, but also many of their predators (e.g., domestic dogs and cats), as well as birds and occasionally humans. It is considered a "nidicolous" species, meaning that it does not “quest” widely in ground...

Haemaphysalis leporispalustris (the rabbit tick)

October 22, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Haemaphysalis leporispalustris (the rabbit tick) Distribution This widespread tick species occurs almost anywhere its hosts reside in North America and parts of northern and central South America. Hosts Hosts include lagomorphs, for all stages; birds, for immature stages; and rarely, humans. However, more recent observations show feeding on various ungulates including white-tailed deer, and cattle. And, in Colorado, a collection from a domestic dog also occurred. During years that Sylvilagus and Lepus spp. become abundant, this tick may also build large populations in Colorado. Vector Status It can transmit the agent of Rocky Mountain spotted fever and has been shown to be naturally infected with the agents of Q fever and tularemia. Silverwater virus was also isolated from all life stages of this tick collected in WI and in Alberta, Canada. Recently,...

Haemaphysalis chordeilis

October 22, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Haemaphysalis chordeilis (bird tick or grouse tick) Distribution Haemaphysalis chordeilis occurs in California, Colorado, Florida, Georgia, Louisiana, Michigan, Montana, North Dakota, Nebraska, New Hampshire, New York, Oregon, Pennsylvania, South Carolina, South Dakota, Texas, Vermont, Washington, Wisconsin, and Wyoming in the US, and in Canada from British Columbia east into Ontario. Hosts One of the earliest recorded collections of this tick is a nymph from a killdeer (Charadrius vociferus L.), from Fort Collins, Colorado. Hosts include mainly ground-dwelling, especially gallinaceous birds and incidentally, mammals, including humans. Haemaphysalis chordeilis has infested quail in Texas in excess of 80 ticks per bird. Vector Status This tick may play a role in a sylvatic cycle of the agent of tularemia and has been reported to kill turkeys in multiple locations in the US. Resources H Joel Hutcheson,...

Tick ID, Photo courtesy of Carmen Guzmán-Cornejo, Dermacentor parumapertus, adult female

Dermacentor parumapertus

October 22, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Dermacentor parumapertus Distribution This western hard tick species may be found at lower elevations in parts of Texas (west of the 100th meridian), and throughout the states of Colorado, Kansas, Oklahoma, New Mexico, Oklahoma, Utah, Arizona, Nevada, and California. It is also found in southwestern Idaho and southeastern Oregon, and northwestern states of Mexico. Morphometric analyses suggest that populations of D. parumapertus in the USA comprise more than a single species. Hosts Hosts are primarily rabbits, hares and other rodents especially for immature stages, but adults have also been found on mule deer and coyote. Hunters and field biologists are most likely to encounter this species through contact with wildlife, especially rabbits. It has been reported to bite humans. Vector Status Because of its nearly exclusive association with rabbits and...

Dermacentor albipictus (the winter tick)

October 5, 2020
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Ticks In Colorado

[vc_row][vc_column width="2/3"][vc_column_text] Dermacentor albipictus (the winter tick) Distribution Dermacentor albipictus is one of the most common North American Dermacentor species. This tick has large geographic distribution in North America. Its distribution includes most of the USA, southern Canada, and 26 states in Mexico. Hosts Hosts include domestic and wild ungulates, such as horses, cattle, elk, moose, and deer, mountain goats and sheep. It has been also found on dogs, cats and humans. This is a one-host tick, meaning that it attaches to a host individual as a larva, molts to the next stage while still attached, and normally does not drop from that host individual until after it becomes an engorged female; males do not engorge but do feed. Because winter ticks are a one host species of large mammals, they are...

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