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18 March 2024 CHARACTERIZATION OF MITE PARASITISM OF EASTERN COLLARED LIZARDS (CROTAPHYTUS COLLARIS) IN THE KANSAS FLINT HILLS
Daniel T. Peacock, Eva A. Horne
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Abstract

The goals of this research were to 1) quantify any relationships between the number of trombiculid chigger mites and the sex or body condition of individual eastern collared lizards (Crotaphytus collaris), and 2) determine whether habitat has an effect on parasite load. Collared lizards were sampled from an artificial habitat and a natural habitat in northeastern Kansas. The habitat at Tuttle Creek Dam (Tuttle) is predominantly made up of large, artificially placed rocks with few scattered areas of herbaceous plants. The habitat of Konza Prairie Biological Station (Konza) is made up of naturally exposed rock with vertical ledges up to 1.5 m in height, surrounded largely by grasses and shrubs, with a few areas covered by large trees. Lizards at Tuttle were found to have significantly fewer mites than did lizards on Konza. There was no relationship between parasite load and body condition for lizards at either site. There was also no significant difference in mite count between males and females at Tuttle. However, males at Konza had significantly higher mite counts than did females. These results potentially link parasite load to the types of plants that make up the habitat of eastern collared lizards.

Los objetivos de esta investigación fueron 1) cuantificar cualquier relación entre el número de ácaros niguas trombiculides con el sexo o la condición corporal de los lagartos de collar del este (Crotaphytus collaris) individuales y 2) determinar si el hábitat tiene algun efecto sobre la carga de parásitos. Se tomaron muestras de lagartijas de collar de un hábitat artificial y un hábitat natural en el noreste de Kansas. El hábitat en Tuttle Creek Dam (Tuttle) está compuesto predominantemente por rocas grandes colocadas artificialmente, con pocas áreas dispersas de plantas herbáceas. El hábitat de la Estación Biológica Konza Prairie (Konza) está formado por rocas expuestas de forma natural con salientes verticales de hasta un metro y medio de altura, rodeadas en gran parte por pastos y arbustos, con algunas áreas cubiertas por grandes árboles. Se encontró que las lagartijas en Tuttle tenían significativamente menos ácaros que las lagartijas en Konza. No hubo relación entre la carga de parásitos y la condición corporal de las lagartijas en ninguno de los sitios. Tampoco hubo diferencias significativas en el número de ácaros entre machos y hembras en Tuttle. Sin embargo, los machos en Konza presentaron una cantidad de ácaros significativamente más altos que las hembras. Estos resultados vinculan potencialmente la carga de parásitos con los tipos de plantas que for-man el hábitat de los lagartos de collar del este.

Daniel T. Peacock and Eva A. Horne "CHARACTERIZATION OF MITE PARASITISM OF EASTERN COLLARED LIZARDS (CROTAPHYTUS COLLARIS) IN THE KANSAS FLINT HILLS," The Southwestern Naturalist 67(4), 291-297, (18 March 2024). https://doi.org/10.1894/0038-4909-67.4.291
Received: 27 April 2021; Accepted: 2 August 2023; Published: 18 March 2024
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