A REVIEW OF THE NEMATODE GENUS LEPTONCHUS (ENOPLIDA) BY P. A. A. LOOF Landbouwhogeschool, Wageningen, Netherlands A new species of Leptonchus, L. scintillans, is described. It occurs in the sand dune region of The Netherlands and differs from all the other species by the presence of conspicuous radial refractive elements in the cuticle. In the great length of the prerectum it resembles L. granulosus Cobb. Keys to males and females of the Leptonchus species are presented; the species are reviewed and some morphological details added. In several species intestine and prerectum were found to be separated by a three-celled structure. The genus Leptonchu.r was erected by Cobb in 1920 for L. grannloJnJ. In 1935 Thorne made Le/toncbnJ the type genus of the new family Leptonchidae; in 1939 he gave a generic definition and described two new species. Two more species were added by Meyl ( 1956 ) and one by Heyns (1963). In 1960 the present writer collected specimens from very dry soil in the sand dune region of The Netherlands, which were initially thought to belong to L. granuloslIs on the basis of prerectum length. Comparison with part of the material which had formed the basis of
Nematologica – Brill
Published: Jan 1, 1963
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