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- Title
Unveiling novel and known Cryptaphelenchus species from China and USA.
- Authors
Gu, Jianfeng; Castillo, Pablo; Ma, Xinxin; Munawar, Maria
- Abstract
Summary: Cryptaphelenchus species are wood- or bark-inhabiting nematodes, generally mycetophagous and reported to have endophoretic associations with insects. In the present study, we describe two new and one known Cryptaphelenchus species detected in imported and domestic wood samples. Cryptaphelenchus americanum n. sp. and C. minutus were detected in the log samples of Pinus taeda imported from the USA, whereas C. orientalis n. sp. was isolated from the bark of dying Pinus sylvestris trees in Inner Mongolia, China. Both new species displayed characteristic features, including a relatively short body length, four lateral lines, a short post-vulval uterine sac in females, and a distinct cloacal apophysis in male tails. Newly recovered and known species were characterised molecularly, and phylogenetic trees were constructed to study their relationship with related Cryptaphelenchus species. Notably, the genetic divergence observed among Cryptaphelenchus species was found to be more significant compared to morphometrical differences, highlighting the importance of molecular data in taxonomy. The identification of new and known species expands our understanding of the genus and suggests that Cryptaphelenchus species may be under studied, underscoring the necessity for continued exploration.
- Subjects
LOBLOLLY pine; SCOTS pine; MOLECULAR association; WOOD; NEMATODES
- Publication
Nematology, 2024, Vol 26, Issue 7, p731
- ISSN
1388-5545
- Publication type
Article
- DOI
10.1163/15685411-bja10335