Three new and one known species of the genus Aporcelaimellus, collected mainly in natural areas from the Iberian Peninsula and characterized by having a simple uterus and atypical caudal region are described and illustrated, including line drawings, LM pictures and/or SEM pictures. Aporcelaimellus deserticola sp. n. is distinguished by its body 1.79-2.43 mm long, lip region 14-16 pm broad and o...

The dagger nematodes, Xiphinema spp., are migratory root-ectoparasitic nematodes that cause damage to a wide range of wild and cultivated plants over the world. In Vietnam, this nematode group has been studied mainly based on morphological characterizations. During survey pathogens associated with tea, plant many medicinal therapeutic potentials, population hunaniense was recorded. This study p...

Summary A new species of the dagger nematode, genus Xiphinema , was recovered from rhizospheric soil samples collected rangelands in Semnan province, north-central Iran, and described based upon both morphological molecular data. sangesarense n. sp. is characterised by 3.7-4.8 mm long females having 136-154 μ m odontostyle, 74-87 odontophore, two equally developed genital tracts with crystalloi...