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Ectoparasites of Sciurid Rodents in Arkansas, Including New State Records for Neohaematopinus Spp

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Ectoparasites of Sciurid Rodents in Arkansas, Including New State Records for Neohaematopinus Spp Journal of the Arkansas Academy of Science Volume 67 Article 34 2013 Ectoparasites of Sciurid Rodents in Arkansas, Including New State Records for Neohaematopinus spp. (Phthiraptera: Anoplura: Polyplacidae) C. T. McAllister Eastern Oklahoma State College, [email protected] M. B. Connior South Arkansas Community College L. A. Durden Georgia Southern University Follow this and additional works at: http://scholarworks.uark.edu/jaas Part of the Animal Diseases Commons, and the Zoology Commons Recommended Citation McAllister, C. T.; Connior, M. B.; and Durden, L. A. (2013) "Ectoparasites of Sciurid Rodents in Arkansas, Including New State Records for Neohaematopinus spp. (Phthiraptera: Anoplura: Polyplacidae)," Journal of the Arkansas Academy of Science: Vol. 67 , Article 34. Available at: http://scholarworks.uark.edu/jaas/vol67/iss1/34 This article is available for use under the Creative Commons license: Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0). Users are able to read, download, copy, print, distribute, search, link to the full texts of these articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. This General Note is brought to you for free and open access by ScholarWorks@UARK. It has been accepted for inclusion in Journal of the Arkansas Academy of Science by an authorized editor of ScholarWorks@UARK. For more information, please contact [email protected], [email protected]. Journal of the Arkansas Academy of Science, Vol. 67 [2013], Art. 34 Ectoparasites of Sciurid Rodents in Arkansas, Including New State Records for Neohaematopinus spp. (Phthiraptera: Anoplura: Polyplacidae) C.T. McAllister1*, M.B. Connior2, and L.A. Durden3 1Science and Mathematics Division, Eastern Oklahoma State College, Idabel, OK 74745 2Health and Natural Sciences, South Arkansas Community College, 300 S. West Ave., El Dorado, AR 71730 3Department of Biology, Georgia Southern University, Statesboro, GA 30458 *Correspondence:[email protected] Running Title: Ectoparasites of Sciurid Rodents in Arkansas Compared to its surrounding states, little is known female Neohematopinus sciuri Jancke, 2 S. niger with about the ectoparasites (bugs, fleas, flies, lice, mites, N. sciurinus (1 squirrel with 1 male louse, the other ticks) infesting the wild mammals of Arkansas (AR) with 2 female lice), and 1 G. volans with a female N. (Bequaert 1946, Sealander and Young 1954, Tugwell sciuropteri. In addition, a single S. niger was infested and Lancaster 1962, Schiefer and Lancaster 1970, with a female squirrel tick, Ixodes marxi Banks and 1 Lancaster 1973, Whitaker and Wilson 1974, Ellis larval American dog tick, Dermacentor variabilis 1975, Price et al. 1982, Steward et al. 1986, Durden (Say). Two S. niger were infested with lone star ticks, and Musser 1994). However, some studies specifically Amblyomma americanum (Linnaeus); 1 squirrel had 5 on ectoparasites of mammals have been published. For nymphs and the other, 26 nymphs; the former host was example, Richardson et al. (1994) reported records of multiply parasitized by 2 male D. variabilis and 2 various ectoparasites from raccoons (Procyon lotor) in larval chiggers, Eutrombicula alfreddugesi the state, and Elrod et al. (1996) reported ectoparasites (Oudemans). A single G. volans was infested with a from the endemic Ozark pocket gopher (Geomys larval D. variabilis. Two S. carolinensis, 1 S. niger bursarius ozarkensis). Here, we report information on and 2 of 10 (20%) G. volans harbored fleas, Orchopeas a flea, 3 ticks, a chigger, and 3 sucking lice species howardi (Baker); the single T. striatus was negative. from sciurid rodents, including the first report of the sucking lice, Neohematopinus sciurinus (Mjöberg) and Siphonaptera: Ceratophyllidae Neohaematopinus sciuropteri (Osborn) from the state. Orchopeas howardi was previously reported in AR Various sciurid rodents, including 2 eastern gray from S. carolinensis, S. niger, and G. volans (Schiefer squirrels (Sciurus carolinensis) and their nests, 2 fox and Lancaster 1970), and commonly infests tree squirrels (Sciurus niger), and a single eastern squirrels and some other rodents in many other states chipmunk, (Tamias striatus) from Marion Co., and 10 (Lewis 2000). It was therefore not surprising to find southern flying squirrels (Glaucomys volans) from this flea on these hosts and associated nests. Union Co. were collected using live box traps from Dec. 2012 to Feb. 2013. After being euthanized, Acari: Ixodidae according to accepted guidelines (Sikes et al. 2011), Ixodes marxi is not commonly reported and there specimens were processed following standard methods are few records of this hard tick in AR (Lancaster (Gardner 1996) and their ectoparasites identified using 1973). This tick is a parasite of squirrels and is known appropriate guides (Wharton and Fuller 1952, Keirans to occur both east and west of the Mississippi River and Clifford 1978, Benton 1983, Kim et al. 1986, from at least 18 states (plus the District of Columbia) Keirans and Durden 1998). Voucher specimens of and Canada (Cooney and Hays 1972, Lancaster 1973, hosts were deposited in the mammal collection at Keirans and Clifford 1978, Durden and Keirans 1996). Henderson State University (HSU). Ectoparasites were It has been previously reported from the state on S. deposited in the General Ectoparasite Collection in the carolinensis (Tugwell and Lancaster 1962). Department of Biology at Georgia Southern University Immature stages (both larvae and nymphs) of D. (accession nos. L3549–3553, L3559-3560, L3570- variabilis, parasitize a wide range of small mammals 3571, L3593-3594 and a few medium-sized mammals mainly in the Both S. carolinensis and S. niger were infested eastern USA (Bequaert 1946, Tugwell and Lancaster with sucking lice, including 1 S. carolinensis with 2 1972, Cooney and Hays 1972, Nicholson et al. 2009) Journal of the Arkansas Academy of Science, Vol. 67, 2013 197 Published by Arkansas Academy of Science, 2013 197 Journal of the Arkansas Academy of Science, Vol. 67 [2013], Art. 34 C.T. McAllister, M.B. Connior, and L.A. Durden (there is also an isolated population of D. variabilis Glaucomys sabrinus (Durden and Musser 1994). along the west coast of North America). However, However, there do not appear to be any previous Pung et al. (2000) recorded only 2 tick specimens (one records of this louse from Arkansas (Kim et al. 1986). Amblyomma maculatum and 1 Ixodes scapularis) from Neohaematopinus sciuropteri is a vector of the 70 G. volans in Georgia which suggests that ticks are zoonotic agent of sporadic epidemic typhus (caused by not common on flying squirrels. They speculated that certain strains of Rickettsia prowazekii) to flying this is because Glaucomys spp. spend more time in squirrels which act as reservoir hosts for this agent arboreal habitats than on the ground where most ticks (Bozeman et al. 1981). quest for hosts. Dermacentor variabilis is the principal vector of Rickettsia rickettsii, the causative agent of In conclusion, some sciurid ectoparasites that had Rocky Mountain spotted fever, in the eastern USA not previously been reported from AR are probably (Chapman et al. 2006). widespread in the state. We suggest additional Amblyomma americanum is a widespread tick in ectoparasite surveys on AR mammals, which appear to AR (Lancaster 1973) and the southeastern USA where be uncommonly reported from hosts in the state. For all active stages parasitize a variety of mammalian example, prior to our study, only 1 species of parasitic hosts including humans and immature stages also mite has been reported from native mammals in AR parasitize birds (Keirans and Durden 1998, Kinsey et (Richardson et al. 1994). al. 2000). This tick has become more abundant in some regions in recent years, and a number of zoonotic Acknowledgments pathogens are known to be transmitted by it including We thank the Arkansas Game and Fish Ehrlichia chaffeensis and Ehrlichia ewingii, causative Commission for a Scientific Collecting Permit issued agents of human ehrlichiosis, and Borrelia lonestari to MBC, and Dr. R. Tumlison (HSU) for expert and Rickettsia amblyommii, putative agents of curatorial assistance. Southern Tick Associated Rash Illness (Childs and Paddock 2003, Billeter et al. 2007). Literature Cited Acari: Trombiculidae Benton AH. 1983. An illustrated key to the fleas of Only the larval stages of chiggers are ectoparasitic; the eastern United States. Marginal Media nymphs and adults are predators of small arthropods or (Fredonia, NY). 34 p. their eggs (Wharton and Fuller 1952). Eutrombicula Bequaert JC. 1946. The ticks, or Ixodoidea, of the alfreddugesi is a widespread pest chigger species in northeastern United States and eastern Canada. North America that parasitizes a wide variety of Entomological America 25:73-232. reptiles, birds and mammals, including humans (Wrenn Billeter SA, HL Blanton, SE Little, MG Levy and and Loomis 1984). This species has previously been EB Breitschwerdt. 2007. Detection of “Rickettsia recorded from AR (Wicht and Rowland 1987). amblyommii” in association with a tick bite rash. Vector-Borne and Zoonotic Diseases 7:607-610. Phthiraptera: Polyplacidae Bozeman FM, DE Sonenshine, MS Williams, Neohaematopinus sciuri is a Holarctic species that DP Chadwick, DM Lauer and BL Elisberg. parasitizes S. carolinensis in North America (and 1981. Experimental infection of ectoparasitic introduced populations of this mammal in some other arthropods with Rickettsia prowazekii (GvF-16 parts of the world)
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