Two new species of the genus Metapocyrtus subgenus Trachycyrtus, Metapocyrtus baltazarae sp. nov. Cabras & Bollino (Luzon) and M. siargaonon sp. nov. Bollino & Cabras (Mindanao) from the Philippines are described, illustrated and compared with related species. The new species epithets are derived in honor of Dr. Clare Baltazar as Metapocyrtus (Trachycyrtus) baltazarae sp.nov., and Metapocyrtus (Trachycyrtus) siargaonon sp.nov. after the indigenous inhabitants of Siargao Island.
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http://dx.doi.org/10.11646/zootaxa.5383.3.7 | DOI Listing |
mBio
January 2025
State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China.
As a universal language across the bacterial kingdom, the quorum sensing signal autoinducer-2 (AI-2) can coordinate many bacterial group behaviors. However, unknown AI-2 receptors in bacteria may be more than what has been discovered so far, and there are still many unknown functions for this signal waiting to be explored. Here, we have identified a membrane-bound histidine kinase of the pathogenic bacterium , AsrK, as a receptor that specifically detects AI-2 under low boron conditions.
View Article and Find Full Text PDFFolia Parasitol (Praha)
January 2025
State Key Laboratory of Freshwater Ecology and Biotechnology, and Laboratory of Fish Diseases, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, Hubei Province, People's Republic of China *Address for correspondence: Frantisek Moravec, Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic. E-mail: ORCID: 0000-0003-1086-1181.
The present paper comprises a systematic survey of trematodes and acanthocephalans based on helminthological examinations of 64 specimens of 14 species of freshwater fishes, belonging to six families of four fish orders, mostly from localities in Hubei Province, central China, collected in the autumn of 2002. A total of 15 trematode species (in 12 families) and 5 acanthocephalan species (in four families) was recorded. Almost all parasites are briefly described and illustrated and problems concerning their morphology, taxonomy, hosts and geographical distribution are discussed.
View Article and Find Full Text PDFZookeys
January 2025
Institute of Entomology, Guizhou University, Guiyang 550025, Guizhou, China.
The riffle beetle genus Jäch & Boukal, 1995 (Elminae, Macronychini) includes only three species from East Asia. In this paper, two new species, and , are described from Guizhou Province, China. Illustrations of the new species and a key to all five species are also provided.
View Article and Find Full Text PDFA comprehensive revision is presented of the Oriental and Australasian diving beetle genus Sharp, 1882 (Coleoptera: Dytiscidae: Dytiscinae: Aciliini) and seven junior subjective synonyms are proposed. Balfour-Browne, 1939, is a junior subjective synonym of Heller, 1934; Vazirani, 1969, of (Crotch, 1872); Blanchard, 1843, of (Aubé, 1838); and Heller, 1934, , Sharp, 1882, , and Satô, 1978, of (Wehncke, 1876). Finally, Anand et al.
View Article and Find Full Text PDFZookeys
January 2025
Central South Inventory and Planning Institute of National Forestry and Grassland Administration, Changsha 410007, Hunan, China Central South Inventory and Planning Institute of National Forestry and Grassland Administration Changsha China.
The orb-weaver spider genus Archer, 1960 from China is revised, and three species, including two new species, are recognized: Mi & Wang, (♂♀) from Xizang and Mi & Wang, (♂♀) from Hainan; the type species, (Strand, 1906) (♂♀), is redescribed based on specimens from Guizhou and Hubei. A distributional map of the studied specimens is also provided.
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