Coyner D F, Wooding J B, Forrester D J
Department of Pathobiology, College of Veterinary Medicine, University of Florida, Gainesville 32611, USA.
J Wildl Dis. 1996 Jul;32(3):492-7. doi: 10.7589/0090-3558-32.3.492.
The faunas of parasitic helminths and arthropods of 87 Sherman's fox squirrels (Sciurus niger shermani) and 32 Big Cypress fox squirrels (Sciurus niger avicennia) collected from Florida (USA) over a 6-yr period (1988 to 1993) were compared. One acanthocephalan, one cestode, nine nematodes, one flea, three sucking lice, three mites, one tick, and one dipteran larva were identified. Citellinema bifurcatum and Physaloptera massino were new records for Florida and Gongylonema pulchrum, Neotrombicula whartoni, and Eushoengastia diversa were new host records. Three core species of nematodes (distributed widely, highly host specific, and very prevalent) were identified from Sherman's fox squirrels. These included Strongyloides robustus, Heligmodendrium hassalli, and C. bifurcatum, which were higher in prevalence and intensity in Sherman's fox squirrels than in Big Cypress fox squirrels. One core species of cestode (Raillietina bakeri) was collected from 32% of Sherman's fox squirrels, but was not observed in Big Cypress fox squirrels. The number of species, prevalences, intensities, and abundances of parasites from Sherman's fox squirrels were greater than those from Big Cypress fox squirrels.
对1988年至1993年这6年间从美国佛罗里达州采集的87只谢尔曼狐松鼠（Sciurus niger shermani）和32只大柏树狐松鼠（Sciurus niger avicennia）体内的寄生蠕虫和节肢动物区系进行了比较。共鉴定出1种棘头虫、1种绦虫、9种线虫、1种跳蚤、3种吸血虱、3种螨、1种蜱和1种双翅目幼虫。分叉 Citellinema bifurcatum 和马西诺泡翼线虫（Physaloptera massino）是佛罗里达州的新记录，美丽筒线虫（Gongylonema pulchrum）、沃氏新恙螨（Neotrombicula whartoni）和多样真绥螨（Eushoengastia diversa）是新的宿主记录。从谢尔曼狐松鼠中鉴定出3种核心线虫物种（分布广泛、宿主特异性高且非常普遍）。这些包括粗壮类圆线虫（Strongyloides robustus）、哈氏细颈线虫（Heligmodendrium hassalli）和分叉 Citellinema bifurcatum，它们在谢尔曼狐松鼠中的感染率和感染强度高于大柏树狐松鼠。从32%的谢尔曼狐松鼠中采集到1种核心绦虫物种（巴氏瑞列绦虫（Raillietina bakeri）），但在大柏树狐松鼠中未观察到。谢尔曼狐松鼠体内寄生虫的物种数量、感染率、感染强度和丰度均高于大柏树狐松鼠。
