Summary
A new species of the genus Ficophagus was recovered from the syconia of Ficus variegata from Shenzhen, Guangdong province, China. It is described herein as Ficophagus giblindavisi n. sp. and is characterised by possessing the longest stylet in males (35.1-45.8 μm) and most lateral incisures (5) of all currently described species in the genus, a short PUS (8.4-11.4 μm or 0.3 VBD long), excretory pore situated at or posterior to the nerve ring, amoeboid sperm, three pairs of subventral papillae on the male tail, rounded male tail tip with a mucron, absence of gubernaculum and sickle-shaped spicules with a terminal cucullus. Ficophagus giblindavisi n. sp. was differentiated from other sequenced species by the partial small subunit (SSU) rRNA gene and D2-D3 expansion segments of the large subunit (LSU) rRNA gene. Phylogenetic analysis with the LSU D2-D3 expansion segment sequence suggested that F. giblindavisi n. sp. is clustered in the same highly supported monophyletic clade with F. auriculatae and F. fleckeri.
SummaryA new nematode species was recovered from the syconia of Ficus hirta var. roxburghii from Chaozhou, Guangdong, China. It is described herein as Ficophagus chaozhouensis n. sp. and is characterised by possessing the combined characters of a short post-uterine sac, excretory pore located near the head, amoeboid sperm, three pairs of subventral papillae on the male tail, rounded male tail tip with mucron (occasionally swollen), absence of gubernaculum (or apophysis), a blunt rosethorn-shaped spicule without a terminal cucullus, and a digitate rostrum with a broadly squared tip. Ficophagus chaozhouensis n. sp. was separated from other sequenced species by differences in the partial small subunit (SSU) rRNA gene and D2-D3 expansion segments of the large subunit (LSU) rRNA gene. Phylogenetic analysis with LSU D2-D3 expansion segment sequences suggested that F. chaozhouensis n. sp. is clustered in the same highly supported monophyletic clade with F. aculeata, F. maxima and F. yoponensis, and is sister to F. aculeata.
SummaryA new nematode species was recovered from the syconia of Ficus auriculata-complex, including F. auriculata, F. oligodon and F. hainanensis, from Xishuangbanna Tropical Botanical Garden, China. It is described herein as Ficophagus auriculatae n. sp. and is characterised by possessing the combined characters of a short post-uterine sac, excretory pore located between the metacorpus and the stylet basal knobs, testis multi-reflexed, amoeboid sperm, three pairs of subventral papillae on male tail, rounded male tail tip without mucron, absence of gubernaculum (= apophysis) and sickle-shaped spicules with terminal cucullus. Ficophagus auriculatae n. sp. was differentiated from other sequenced species by the partial small subunit rRNA gene and D2-D3 expansion segments of the large subunit rRNA gene. Phylogenetic analysis with the above-mentioned sequences suggested that F. auriculatae n. sp. has a closer relationship with F. fleckeri in the same highly supported monophyletic clade than with the other sequenced Ficophagus and Schistonchus sensu lato species.
SummaryA new nematode species was recovered from the syconia of Ficus curtipes from Xishuangbanna Tropical Botanical Garden, Yunnan, China. It is described herein as Ficophagus curtipes n. sp. and is differentiated from all currently described species in the genus by the possession of a spicule with a ventrally recurved tip (terminal barb). It is further characterised by possessing a short post-uterine sac, an ovoid spermatheca, presence of crustaformeria, excretory pore located near the head, amoeboid sperm, three pairs of subventral papillae on the male tail, rounded male tail tip without mucron, rose-thorn-shaped spicules without cucullus and absence of gubernaculum (= apophysis). Ficophagus curtipes n. sp. was differentiated from other sequenced species by the partial small subunit rRNA gene and D2-D3 expansion segments of the large subunit rRNA gene. Phylogenetic analyses suggested that F. curtipes n. sp. has a closer relationship with F. benjamina and F. microcarpus in the same highly supported monophyletic clade than to the other sequenced Ficophagus and Schistonchus s.l. species.
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