Bat Ectoparasites from the Trans-Pecos Region of Texas, Including Notes from Big Bend National Park

Ritzi, Christopher M.; Ammerman, Loren K.; Dixon, Michael T.; Richerson, J. V.

doi:10.1603/0022-2585-38.3.400

Cited by 27 publications

(23 citation statements)

References 12 publications

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“…This was due to time constraints and animal handling considerations. Ectoparasite intensity studies on bats sometimes involve brushing (Reisen et al, 1976;Whitaker et al, 1983) or visual inspection and removal (Ritzi et al, 2001;Dick et al, 2003). As in this study, these other counting methods also provide indices of abundance rather than robust population estimates.…”

Section: Calibration Of Ectoparasite Countsmentioning

confidence: 93%

“…Ectoparasite studies of other species of bats in the western United States have been conducted in California (Krutzsch, 1955), Arizona (Bradshaw and Ross, 1961;Ritzi, Valdez, and Sparks, 2002), Oregon (Whitaker et al, 1983;Lewis, 1996), New Mexico (Steinlein et al, 2001;Ritzi, Valdez, and Sparks, 2002), and Montana (Lausen, 2005). However, only a few focused on big brown bats, and just 2 of these studied the dynamics of ectoparasites of bats living in human-occupied buildings (Dood, 1987;Durden et al, 1992).…”

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confidence: 99%

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Ectoparasites in an Urban Population of Big Brown Bats (Eptesicus Fuscus) in Colorado

Pearce

O’Shea

2007

Journal of Parasitology

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Ectoparasites of an urban population of big brown bats (Eptesicus fuscus) in Fort Collins, Colorado, were investigated during summers 2002, 2003, and 2004. Eleven species of ectoparasites were found (the macronyssid mite Steatonyssus occidentalis, the wing mite Spinturnix bakeri, the myobiid mites Acanthophthirius caudata and Pteracarus aculeus, the chirodiscid mite Alabidocarpus eptesicus, the demodicid mite Demodex sp., the chigger Leptotrombidium myotis, the soft tick Carios kelleyi, the batfly Basilia forcipata, the batbug Cimex pilosellus, and the flea Myodopsylla borealis). Five species were analyzed by prevalence and intensity (C. pilosellus, M. borealis, L. myotis, S. bakeri, and S. occidentalis) based on 2161 counts of 1702 marked individual bats over the 3 summer study periods. We investigated 4 factors potentially influencing prevalence and intensity: age class of the host, reproductive status of adult female hosts, roosts in which the hosts were found, and abiotic conditions during the year sampled. The macronyssid mite, S. occidentalis, was the most prevalent and abundant ectoparasite. Adult big brown bats had more ectoparasites than volant juveniles for most of the species analyzed. In a sample of known age bats at 1 large colony, bats of 4 yr of age or greater had higher ectoparasite loads of S. occidentalis and S. bakeri when compared with younger bats. Lactating female bats had the highest prevalence and intensities of most ectoparasites. Annual differences in ectoparasite prevalence and intensity were related to temperature and humidity, which can affect the nidicolous species of ectoparasites. Residents of 2 buildings sprayed insecticides in response to Cimex sp., and this appeared to reduce ectoparasitism of S. occidentalis and C. pilosellus present at these buildings. Intensity of S. occidentalis had no influence on annual survival of big brown bats.

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Section: Calibration Of Ectoparasite Countsmentioning

confidence: 93%

mentioning

confidence: 99%

Ectoparasites in an Urban Population of Big Brown Bats (Eptesicus Fuscus) in Colorado

Pearce

O’Shea

2007

Journal of Parasitology

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“…II). The compiled data indicate that E. inaequalis is present in T. brasiliensis populations, from the USA (DurDen et al, 1992;Foster & mertins 1996) to Chile (muñoz et al, 2003;muñoz et al, 2011), and in southern Brazil (this study), and E. longa occurs in populations from the USA (jameson, 1959;DurDen et al, 1992;Foster & mertins, 1996;ritzi et al, 2001), Mexico (Guzmán-Cornejo et al, 2003), and southern Brazil (this study).…”

Section: Ii)mentioning

confidence: 53%

Geographic variation in ectoparasitic mites diversity in Tadarida Brasiliensis (Chiroptera, Molossidae)

Pesenti

Gomes

Rui

et al. 2014

Iheringia, Sér. Zool.

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ABSTRACT. Tadarida brasiliensis (Geoffroy, 1824), the Brazilian free-tailed bat, is an insectivorous bat that occurs from southern United States of America to southern South America. In this study we present the first data on diversity of ectoparasitic mites of T. brasiliensis in Brazil. A compilation and analysis of the studies of mite diversity conducted in different points the geographic distribution this bat species are provided. The mites were collected from March 2010 to November 2011 on 160 T. brasiliensis adult bats captured in southern Brazil. Four species of mites have been found: Chiroptonyssus robustipes (Ewing, 1925), Ewingana longa (Ewing, 1938), Ewingana inaequalis (Radford, 1948), and specimens of Cheyletidae. Chiroptonyssus robustipes was the most prevalent species (100%), followed by E. longa (20%), E. inaequalis (10%), and specimens of Cheyletidae (1.25%). The data currently available show that C. robustipes parasitizes T. brasiliensis throughout its region of occurrence, and this mite is highly prevalent and abundant. The two species of Ewingana accompany the geographical distribution of T. brasiliensis, but with much lower prevalence and abundance. KEYWORDS.Brazilian free-tailed bat, Acari, Macronyssidae, Myobiidae, Cheyletidae. RESUMO.Variação geográfica na diversidade de ácaros ectoparasitos em Tadarida brasiliensis (Chiroptera, Molossidae). Tadarida brasiliensis (Geoffroy, 1824) é um morcego insetívoro que ocorre desde o sul dos Estados Unidos até o sul da América do Sul. Neste estudo são apresentados os primeiros dados sobre diversidade de ácaros ectoparasitos de T. brasiliensis no Brasil e é disponibilizada uma compilação e análise dos estudos de diversidade de ácaros realizados nos diferentes pontos da distribuição geográfica desta espécie de morcego. Os ácaros foram coletados de 160 espécimes adultos de T. brasiliensis capturados no extremo sul do Brasil, entre março de 2010 e novembro de 2011. Quatro espécies de ácaros foram coletadas: Chiroptonyssus robustipes (Ewing, 1925), Ewingana longa (Ewing, 1938), Ewingana inaequalis (Radford, 1948) e espécimes de Cheyletidae. Chiroptonyssus robustipes foi a espécie mais prevalente (100%), seguido de E. longa (20%), E. inaequalis (10%) e exemplares de Cheyletidae (1,25%). Os dados disponíveis atualmente demonstram que C. robustipes parasita T. brasiliensis em toda sua região de ocorrência e que este ácaro é altamente prevalente e abundante. As duas espécies de Ewingana acompanham a distribuição geográfica de T. brasiliensis, porém com prevalências e abundâncias muito menores. PALAVRAS-CHAVE.Morcego brasileiro da cauda livre, Acari, Macronyssidae, Myobiidae, Cheyletidae.

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“…kelleyi occurs throughout the United States, Canada, Cuba, Mexico, and Costa Rica (Cooley andKohls 1944, Wilkinson et al 1980). It is an ectoparasite of several species of bats (Knight and Marr 1983, Ritzi et al 2001, Steinlein et al 2001. Under laboratory conditions, it feeds on relatively few animals other than bats and prefers to feed in subdued light or darkness (Sonenshine and Anastos 1960).…”

Section: Discussionmentioning

confidence: 99%

Detection of Human Blood in the Bat Tick Carios (Ornithodoros) kelleyi (Acari: Argasidae) in Iowa

Gill¹,

Rowley

Bush

et al. 2004

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The argasid tick Carios (Ornithodoros) kelleyi Cooley & Kohls is a common ectoparasite of bats and has been found in massive numbers in homes with associated bat colonies in eastern Iowa. This tick feeds nearly exclusively on bats in nature. Several inhabitants of infested homes complained of "bug bites" at night while asleep that may have resulted in erythematous, edematous, urticaric skin lesions and constitutional signs and symptoms. We provide laboratory evidence that a single, engorged C. kelleyi nymph contained host blood from a human female. The clinical implications of our Þndings are intriguing but unclear.

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Bat Ectoparasites from the Trans-Pecos Region of Texas, Including Notes from Big Bend National Park

Cited by 27 publications

References 12 publications

Ectoparasites in an Urban Population of Big Brown Bats (Eptesicus Fuscus) in Colorado

Ectoparasites in an Urban Population of Big Brown Bats (Eptesicus Fuscus) in Colorado

Geographic variation in ectoparasitic mites diversity in Tadarida Brasiliensis (Chiroptera, Molossidae)

Detection of Human Blood in the Bat Tick <I>Carios</I> (<I>Ornithodoros</I>) <I>kelleyi</I> (Acari: Argasidae) in Iowa

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