Three new species of the genus Belbolla (Nematoda: Enoplida: Enchelidiidae) from the Yellow Sea, China Author Huang, Y. Author Zhang, Z. N. text Journal of Natural History 2005 2005-09-30 39 20 1689 1703 http://dx.doi.org/10.1080/00222930400023750 journal article 10.1080/00222930400023750 1464-5262 4657878 Key for the determination of 12 species of the genus Belbolla 1 Precloacal supplements absent...... B. asupplementata (Juario, 1974) – Precloacal supplements present............... 2 2 Seven oesophageal bulbs................. 3 – Eight, nine or 10 oesophageal bulbs.............. 4 3 Precloacal supplements well developed, appearing winged; apophysis of guberna- culums absent............ B. heptabulba (Timm, 1961) – Precloacal supplements reduced, in long pocked-shaped structure; apophysis of gubernaculums present........... B. warwicki sp. nov. 4 Eight oesophageal bulbs................. 5 – Nine or 10 oesophageal bulbs.............. 10 5 Length of the apophysis longer than half spicule length........ 6 – Length of the apophysis shorter than half spicule length........ 7 6 Supplements long (1.4–1.5 a.b.d.)...... B. tenuidens (Cobb, 1920) – Supplements short (0.5–0.9 a.b.d.)....... B. zhangi ( Guo, 2001 ) 7 Spicule with swollen distal tip........ B. stenocephalum sp. nov. – Spicule with tapered distal tip............... 8 8 Posterior supplement distant from the proximal ends of the spicule by less than one length of spicule; the apophysis about one-third of the spicule length................ B. teissieri (Luc and de Conink, 1959) – Posterior supplement distant from the proximal ends of the spicule by more than one length of spicule; the apophysis about one-fifth to one-sixth of the spicule length...................... 9 9 Length of the supplement wing almost equal to the diameter of its central part............ B. sundoensis (Micoletzky, 1930) – Length of the supplement wing twice the diameter of its central part................... B. gallanachmorae (Inglis, 1961) 10 Spicule with a hook at the distal end B. intarma ( Belogurov and Belogurova, 1980 ) – Spicule without a hook at the distal end........... 11 11 Length of the gubernacular apophysis 21 mm ; females with 10 oesophageal bulbs............... B. californica (Allgen, 1951) – Length of the gubernacular apophysis longer than 45 mm ; females with nine oesophageal bulbs............ B. huanghaiensis sp. nov.