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Identification for Pratylenchus spp.

Please fill in your matrix codes following the matrix codes of Castillo and Vovlas (2007):


A) Lip annuli:
- 1: two
- 2: three
- 3: four
B) Male:
- 1: absent
- 2: present
C) Stylet length:
- 1: stylet < 13 micrometer
- 2: stylet 13-15.9 micrometer
- 3: stylet 16-17.9 micrometer
- 4: stylet 18-20 micrometer
- 5: stylet > 20 micrometer
D) Shape of spermatheca:
- 1: absent or reduced
- 2: rounded to spherical
- 3: oval
- 4: rectangular
E) Vulva position, ratio V:
- 1: V<75%
- 2: V=75-79.9%
- 3: V=80-85%
- 4: V > 85%
F) Post-vulval uterine sac (PUS):
- 1:<16 micrometer
- 2: 16-19.9 micrometer
- 3: 20-24.9 micrometer
- 4: 25-29.9 micrometer
- 5: 30-35 micrometer
- 6:>35 micrometer
G) Female tail shape:
- 1: cylindrical
- 2: subcylindrical
- 3: conoid
H) Female tail tip:
- 1: smooth
- 2: striated
- 3: pointed
- 4: with ventral projection
I) Pharyngeal overlapping length:
- 1:<30 micrometer
- 2: 30-39.9 micrometer
- 3: 40-50 micrometer
- 4:>50 micrometer
J) Lateral field lines at vulval region:
- 1: four
- 2: five
- 3: six to eight
K) Lateral field structure at vulval region:
- 1: smooth bands
- 2: partially or completely areolated bands





Expected Bray-Curtis similarity: %



Contact: tien.quelampb@gmail.com

Please cite:
Nguyen, T. Huu., Quang, P. Trinh., Couvreur, M., Singh, R. Phougeishangbam., Decraemer, W. and Bert, W. 2019. Molecular and morphological characterisation of a new root-lesion nematode, Pratylenchus horti n. sp. (Tylenchomorpha: Pratylenchidae) from Ghent University Botanical Garden
Nguyen, T. Huu., Quang, P. Trinh., Couvreur, M., Singh, R. Phougeishangbam., Decraemer, W. and Bert, W. 2019. Description of Rotylenchus rhomboides n. sp. and a Belgian population of Rotylenchus buxophilus (Tylenchomorpha: Hoplolaimidae). DOI: 10.21307/jofnem-2019-023