Otobius lagophilus

Revision for “Otobius lagophilus” created on June 20, 2014 @ 14:14:06

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Otobius lagophilus
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<p align="CENTER"><span style="font-size: large;"><i><b>Otobius lagophilus</b></i></span><span style="font-size: large;"><b> Cooley and Kohls, 1940</b></span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>ETYMOLOGY:</b></span><span style="font-size: medium;"><i>Oto</i></span><span style="font-size: medium;"> = ear and </span><span style="font-size: medium;"><i>bius</i></span><span style="font-size: medium;"> = way of life; along with </span><span style="font-size: medium;"><i>Lago</i></span><span style="font-size: medium;"> = hare and </span><span style="font-size: medium;"><i>philus</i></span><span style="font-size: medium;"> = loving.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>SYNONYMS:</b></span><span style="font-size: medium;"> None.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>HISTORY:</b></span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> was first described by Cooley and Kohls in 1940. It is another soft tick that may parasitize cats (Cooley and Kohls, 1944). </span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>GEOGRAPHICAL DISTRIBUTION:</b></span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> is known from Alberta, Canada, and from the following states: California, Colorado, Idaho, Montana, Nevada, Oregon, and Wyoming. There has been a single, isolated case report of this tick from a cat in Alberta, Canada (Cooley and Kohls, 1944). </span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>LOCATION IN HOST:</b></span><span style="font-size: medium;"> Cooley and Kohls (1944) found that the nymphs were attached in the fur on the face of rabbits near the vibrissae.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>IDENTIFICATION:</b></span><span style="font-size: medium;"> Cooley and Kohls (1944) state that "This species resembles the well-known spinose ear tick, </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>megnini</i></span><span style="font-size: medium;">, but it is readily separated by the following characters: its smaller size; the heavy V-shaped spines found on the anterior surfaces in </span><span style="font-size: medium;"><i>megnini</i></span><span style="font-size: medium;"> are replaced in </span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> by slender spines which are the same as those on the posterior parts; denticles on the hypostome in a 3/3 pattern instead of 4/4; legs more slender; spiracles of the nymph midly convex instead of conically protuberant.”</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>LIFE CYCLE:</b></span><span style="font-size: medium;"> As with </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>megnini</i></span><span style="font-size: medium;"> the adults of </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> are not parasitic. The nymphs are found on the fur of the face of rabbits. Adults have been found at the entrance of rabbit burrows or well down in burrows.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>CLINICAL PRESENTATION AND PATHOGENESIS:</b></span><span style="font-size: medium;"> Except for a single collection from a cat in Lethbridge, Alberta, Canada, in 1941, the only known hosts for </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> are cotton-tail rabbits and jack rabbits. No clinical signs have been attributed to infestation of cats with this tick. </span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>DIAGNOSIS:</b></span><span style="font-size: medium;"> Finding the spinose nymphal stage on the cat.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>TREATMENT:</b></span><span style="font-size: medium;"> Any of the popular acaricides used for treating infestation of hard ticks on cats, should prove effective in treating </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;">.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>EPIZOOTIOLOGY:</b></span><span style="font-size: medium;"> Little is known about the epizootiology of this parasite relative to its association with the cat. Cats probably come into contact with the nymphs at either the burrows used by rabbits or by direct contact with infested rabbits.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>HAZARDS TO OTHER ANIMALS:</b></span><span style="font-size: medium;"> Other than the single report from the cat, the only known hosts for </span><span style="font-size: medium;"><i>Otobius</i></span><span style="font-size: medium;"><i>lagophilus</i></span><span style="font-size: medium;"> are cotton-tail rabbits and jackrabbits (Cooley and Kohls, 1944). </span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>HAZARDS TO HUMANS:</b></span><span style="font-size: medium;"> This tick is not known to attack humans.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>CONTROL &amp; PREVENTION: </b></span><span style="font-size: medium;"> Accurate identification of soft ticks from the parasitized host or from the environment is a prerequisite to their control (Hoskins and Cupp, 1988). The cat's ability to roam freely to areas frequented by rabbits should be restricted if infestations with this parasite are observed to be a problem.</span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;"><b>REFERENCES:</b></span></p> <p align="JUSTIFY"></p> <p align="JUSTIFY"><span style="font-size: medium;">Cooley RA, Kohls GM. 1940. Two new species of Argasidae (Acarina: Ixodoidea). Pub Hlth Rep 55:925-933.</span></p> <p align="JUSTIFY"><span style="font-size: medium;">Cooley RA, Kohls GM. 1944. The Argasidae of North America, Central America and Cuba, Monograph 1. Am Midl Nat. Notre Dame, IN, University of Notre Dame, 21-36. </span></p> <p align="JUSTIFY"><span style="font-size: medium;">Hoskins JD and Cupp EW. 1988. Ticks of veterinary importance. Part II. The Argasidae family: Identification, behavior, and associated diseases. Comp Cont Ed Prac Vet 10:699-709.  </span></p>
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June 20, 2014 @ 14:14:06 Anastasia Bowman

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