Contortylenchus genitalicola n.sp.(Tylenchida:Allantonematidae)from the Japanese Pine Sawyer, Monochamus alternatus(Coleoptera:Cerambycidae)

概要

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A parasitic nematode from Monochamus alternatus has both allantonematid entomophagous and neotylenchid mycetophagous phases showing morphological characteristics of the genera Contortylenchus and Deladenus, respectively. This nematode is similar to C. elongatus and C. brevicomi in the entomophagous phase and D. ipini in the mycetophagous phase, but differs from the first species in the wider mid body width of mature parasitic females (0.22-0.50 mm vs. 0.08-0.20 mm) ; from the second in the shorter stylet (9-11 μm vs. 11-12 μm), longer spicule (20-22 μm vs. ca. 17 μm) and shorter tail length (21-28 μm vs. 27.2-32.8 μm) of males ; from the third in the shorter stylet (8-10 μm vs. 11.6-12.0 μm), longer length from anterior terminus to nerve ring (79-103 μm vs. 59-84 μm) and shorter length from nerve ring to hemizonid (15-30 μm vs. 31-37 μm) of mycetophagous females. The nematode is described as C. genitalicola n. sp. based on the morphological differences from related species and the characteristics of the allantonematid entomophagous phase.
日本応用動物昆虫学会の論文
1993-11-25