Q41: Which one is type species Meloidogyne ? - Nematode Taxonomy and Morphology - Entomology- ICAR JRF/SRF 2024 | Agrigyan

• Taxonomy of Root-Knot Nematodes (Meloidogyne):
• Type Species: The genus Meloidogyne was established by Emílio Augusto Goeldi in 1887.
• First Described Species: Goeldi described Meloidogyne exigua causing severe galls on the roots of coffee (Coffea arabica) in Rio de Janeiro, Brazil. Therefore, Meloidogyne exigua is the designated type species of the genus.
• Other Species: M. incognita, M. javanica, M. arenaria, and M. hapla were redescribed/established later by Chitwood (1949).
• Conclusion: Meloidogyne exigua is the type species of Meloidogyne (Option 3).

Correct option: (3) M. exigua