Morulaimus, a New Genus of the Belonolaiminae

Morulaimus, a New Genus of the Belonolaiminae MORULAIMUS, A NEW GENUS OF THE BELONOLAIMINAE BY M. R. SAUER C.S.I.R.O. Horticultural Research Section, Merbein, Victoria, Australia Morulaimus, n.g., related to Belonolaimus, is described. The lip region has four large submedian lobes bearing six or seven annules, and two small unstriated lateral lobes interrupting the first few annules of the head. Behind these lateral lobes the lip region annules are continuous or interrupted by striation or by an irregular series of platelets. Tail length is from one and a half to three times the anal body diameter. Three species are described: M. arenicolus (type species), 1.2 mm long with conoid tail, stylet about 100 µ, no platelets on the head. M. geniculatus, 1.5 mm long with conoid tail, stylet about 65 µ, platelets on the head. M. sclerus, 1.3 mm long with cylindrical tail, stylet about 90 µ, no platelets on the head, conspicuous sclerotisation of dorsal and ventral sectors of head framework. The new combinations M. hastulatus (Colbran, 1960) and M. whitei (Fisher, 1964) are proposed, and a key to the species is provided. Collections of tylenchs from uncultivated sandy soils in south eastern Australia made by the author during recent years include a number of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Morulaimus, a New Genus of the Belonolaiminae

Nematologica , Volume 11 (4): 609 – Jan 1, 1965

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Publisher
BRILL
Copyright
© 1965 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
D.O.I.
10.1163/187529265X00762
Publisher site
See Article on Publisher Site

Abstract

MORULAIMUS, A NEW GENUS OF THE BELONOLAIMINAE BY M. R. SAUER C.S.I.R.O. Horticultural Research Section, Merbein, Victoria, Australia Morulaimus, n.g., related to Belonolaimus, is described. The lip region has four large submedian lobes bearing six or seven annules, and two small unstriated lateral lobes interrupting the first few annules of the head. Behind these lateral lobes the lip region annules are continuous or interrupted by striation or by an irregular series of platelets. Tail length is from one and a half to three times the anal body diameter. Three species are described: M. arenicolus (type species), 1.2 mm long with conoid tail, stylet about 100 µ, no platelets on the head. M. geniculatus, 1.5 mm long with conoid tail, stylet about 65 µ, platelets on the head. M. sclerus, 1.3 mm long with cylindrical tail, stylet about 90 µ, no platelets on the head, conspicuous sclerotisation of dorsal and ventral sectors of head framework. The new combinations M. hastulatus (Colbran, 1960) and M. whitei (Fisher, 1964) are proposed, and a key to the species is provided. Collections of tylenchs from uncultivated sandy soils in south eastern Australia made by the author during recent years include a number of

Journal

NematologicaBrill

Published: Jan 1, 1965

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