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Cedar Point Biological Station (CPBS) is located in the mixed grass prairie of the central Great Plains, at the transition between the subregions known as the “tall grass” and “short grass” prairies. Adding to the habitat diversity, there are wetlands and riparian habitats associated with the North Platte River and the edge of the Sandhills region of north central Nebraska. This concurrence of habitats supports a diverse small mammal community. The purpose of this paper is to assemble all published information on ectoparasites associated with small mammals (Insectivora, Rodentia) of southwestern Nebraska, and to report the results of an intensive survey carried out by students of the Parasitology fi eld course during two summers at CPBS. In 2012 and 2013, 27 species of mammal-associated arthropods were collected, including fi ve species of sucking lice (Anoplura), a chewing louse (Ischnocera), six species of fl eas (Siphonaptera), thirteen species of mesostigmatic mites (Laelapidae, Macronyssidae, Macrochelidae), and two species of metastigmatic ticks (Ixodidae). These specimens were brushed from the pelage of 11 species of small mammals that were captured in a variety of habitats around CPBS. The arthropod
list includes 17 new records for the State of Nebraska. This collection is housed in the Harold W. Manter Laboratory of Parasitology (HWML), University of Nebraska State Museum, at the University of Nebraska-Lincoln, and serves as a taxonomic base for our continued efforts to establish a long-term catalog of parasites associated with small mammals in southwestern Nebraska.
Six species of bopyrids were detected from the examination of hermit crabs collected along the Atlantic coasts of Mexico and deposited in the Colección Nacional de Crustáceos housed at the Universidad Nacional Autónoma de México. Asymmetrione tuxtlaensis sp. nov., the third species of the genus from the west Atlantic, is described. The occurrence of Asymmetrione desultor, Pseudostegias atlantica and Stegias clibanarii are recorded for the first time from the Mexican Atlantic coasts and the distribution range of the last two species is extended. Both a new host and three new localities for Mexico are reported for Anathelges hyptius and Bopyrissa wolffi, respectively. Distribution and reproductive data are provided for all six species examined. A key to genera and species of bopyrid isopods that parasitize hermit crabs in the Mexican Atlantic is provided.