| First record of Prosthogonimus cuneatus (Prosthogonimidae) from the Little Grebe, Tachybaptus ruficollis, in Korea |
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Ki-Soo Cheong1, Jong-Taek Kim2, Dong-Choon Ahn3, Bae Dong Jung2, Bae-Keun Park4, Hyeon-Cheol Kim2 |
1Gangwon-do Veterinary Service Laboratory
2College of Veterinary Medicine, Kangwon National University
3College of Veterinary Medicine, Chuonbuk National University
4College of Veterinary Medicine, Chungnam National University |
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| Abstract |
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A trematode species belonging to the genus Prosthogonimus (family: Prosthogonimidae) was collected in August, 2004 from the bursa of Fabricius of a single Little Grebe, Tachybaptus ruficollis, caught in Chuncheon, Korea. Five specimens were collected in total and fluke morphology was examined under using a light microscope. The average parasite size was 5.6 ${ imes}$ 3.2 mm (length ${ imes}$ width; based on 4 specimens). The genital pore was located on the anterior right margin of the oral sucker. The cirrus sac was strongly sinuous and extended beyond the intestinal bifurcation to the ventral sucker. The prepharynx was extremely short and the pharynx was small. The vitellaria consisted of 6 follicle bunches and extended from the ventral sucker to the posterior of the testes. Finally, the uterus filled the body cavity posterior to the testes. In addition, there were no heavy slings occurred anterior to the testes. Based on these morphological characteristics, the parasites were identified as P. cuneatus. The discovery of P. cuneatus within a Little Grebe constitutes a new host identification and a new geographical record. This is the first reported case of Prosthogonimus infection within wild birds in Korea. |
| Key Words:
bursa of Fabricius, Prosthogonimus cuneatus, Tachybaptus ruficollis |
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