Graduate Thesis Or Dissertation
 

A taxonomic study of Mononchidae (Enoplida : Nemata) inhabiting cultivated areas of Thailand

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  • Eleven species of Mononchidae Chitwood, 1937 were found among the nematodes separated from 48 soil samples in Thailand and sent to Oregon State University. Six species are newly described and illustrated including Iotonchus bangkokensis, Iotopchus ainostomos, Iotonchus chantabunensis, Iotonchus ravonqensis, fotonchus thai-Iandensis, and Miconchus triodontus. Also reported is a description and illustration of an immature female belonging to the genus Iotonchus, possibly a new species. Females of Iotonchus basidontus Clark, 1960; Mylonchulus index (Cobb, 1906) Andrassy, 1958; Mylonchulus incurvus (Cobb, 1917) Andrassy, 1958; Mylonchulus montanus (Thorne, 1924) Andrassy, 1958 and Mylonchulus lacustris (Cobb, M.V. 1906) Andrassy, 1958 are redescribed and illustrated. Three taxonomic keys are prepared to identify the genera and species found in Thailand. Tables of body measurements are provided to compare dimensions of specimens from several countries with those of Thailand.
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