GENERAL STUDIES ON TREMATODES IN THAILAND: CLASSIFICATION OF CERCARIAE IN THAILAND.
Annual rept. no. 1, Jan 69-70,
MAHIDOL UNIV BANGKOK (THAILAND) FACULTY OF TROPICAL MEDICINE
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The objective of this study was a systematic faunistic survey of the aquatic molluscs of Thailand based on a recognition of the importance of an understanding of the intermediate hosts in the study of the trematode parasite which represent a major disease problem in Thailand. Collecions of aquatic molluscs were made in all 71 provinces of Thailandnd. The present report is a treatise on systematics of a portion of these collections and includes the freshwater gastropods from the Mekong delta which were collected during a survey following the discovery of foci of human schistosomiasis in the Mekong valley. Two new genera and 18 new species are described, including those species suspected of transmitting human schistosomiasis. Fourteen new species from the Mekong drainage system in Laos are described by Prasong Temcharoen. A complete malacological faunistic report of findings in the Mekong survey is presented. Author