A review of the genus Scyracepon Tattersall, 1905 (Crustacea: Isopoda: Bopyridae), with description of a new species from China

The parasitic isopod genus Scyracepon Tattersall, 1905 is recorded from China for the first time, and a new species, Scyracepon distincta, is described from the host Jonas distinctus (Brachyura: Corystidae). Females of the new species can be distinguished from those of the other six species of Scyracepon by their subequal mid-dorsal projections on pereomeres 6 and 7 (lacking on other pereomeres) and pleonal segments with medial but not lateral fusion. Males of the new species have the first two pleomeres free, pleomeres 3–5 fused, and bear midventral tubercles on all pereomeres and the first pleomere. This is the first record of any species of Corystidae bearing parasitic isopods. Remarks on, and a key to, the seven known species of Scyracepon are provided.     

A review of the genus Parapenaeonella (Isopoda: Bopyridae: Orbioninae), with description of a new species from Chinese waters and synonymy of Parapenaeonella lamellata Bourdon, 1979

We report the first record of the parasitic isopod genus Parapenaeonella Shiino, 1949 from China. Two species are reported infesting penaeid shrimps; one is new to science, and another is a new record from China. The new species differs from Parapenaeonella distincta Shiino, 1949 in its widely open brood pouch, small biramous pleopods, simple barbula, and its male with midventral tubercle on the first pleomere. Information on the high morphological variability of males of P. distincta Shiino, 1949 and its new synonym, Parapenaeonella lamellata Bourdon, 1979, is presented. http://www.zoobank.org/urn:lsid:zoobank.org:pub:B3E0879E-EF5E-42EA-B062-3A6361DA1B5D     

A new genus and two new species of Argeiinae (Crustacea: Isopoda: Bopyridae) from the Indo-west Pacific

Three hosts from Indo-west Pacific including Kiribati, Guam Island and Australia were examined, and found to be infested by three species of the subfamily Argeiinae. We describe Paraeragia kiribatiensis gen. nov., sp. nov. from Kiribati infesting Synalpheus gracilirostris. The new genus is most related to Eragia and it can be distinguished by female with triangular pleon, lateral plates extend posteriorly, paired uropods, widely opened brood pouch. Argeiopsis guamensis sp. nov. from Guam Island infesting Synalpheus cf. stimpsoni. The new species is most similar to Argeiopsis inhacae but differs in female with curved posterior margin of first oostegite, partly fused pleomeres, and male with head separated from first pereomere, pleon as wide as seventh pereomere. We also record Stegoalpheon kempi from Australia for the first time, infesting Alpheus cf. perplexus. Keys to the nine genera of Argeiinae, and to three species of Argeiopsis are provided. A table for all 13 species of Argeiinae with localities and host records is also provided. A table comparing the distribution of lateral plates and morphology of pleopods and uropods among argeiine genera is presented.

http://www.zoobank/urn:lsid:zoobank.org:pub:284AB32C-6AE5-45BC-9C5D-01B3030D6DE6     

Considerations about the genus Pentoniscus Richardson, 1913 (Crustacea: Isopoda: Oniscidea) with description of a new species

The status of the neotropical genus Pentoniscus Richardson, 1913 is reconsidered and a diagnosis of this genus is given. It is shown that Pentoniscus Richardson, 1913 is a valid genus and not a synonym of Philoscia Latreille, 1804 as discussed by Schultz (1968). The type species, Pentoniscus pruinosus Richardson, 1913 is redescribed and for the first time figured in detail. A new species of Pentoniscus Richardson, 1913 is described from Costa Rica, Central America, which differs remarkably from its congeners in being unpigmented and blind.     

Description of two new species and a new genus of bopyrid isopod parasites (Bopyridae: Pseudioninae) of hermit crabs from China

This is the first record from China of the bopyrid isopod genus Asymmetrione, of which the new species Asymmetrione globifera, a parasite of the hermit crab Dardanus hessii (Miers) in Beibu Gulf and South China Sea, is described. The female A. globifera differs from Asymmetrione nossibensis Bourdon in the shape of its barbula and ornamentation of the first oostegite. A tabulation of the occurrence of all currently known species of Asymmetrione is included. New genus Parasymmetrione is described. The type species, Parasymmetrione tuberculineata, sp. nov., a parasite of Clibanarius corallinus (H. Milne-Edwards) Xisha, is similar in appearance to Asymmetrione spp. but differs, in the female, in not having the propodi of its pereopods produced into sockets and having uniramous uropoda; the male of P. tuberculineata sp. nov. differs from species of Asymmetrione in having the dactyli of only its first pair of pereopods markedly longer than those of the following pereopods.     

First record of the genus Gigantione (Epicaridea: Bopyridae: Pseudioninae) from Chinese waters,with description of three new species

The parasitic isopod genus Gigantione is first recorded from China. Four species are reported infesting xanthid and goneplacid crabs, three are new to science, and one is a new record from China. Gigantione ishigakiensis Shiino, 1941 Shiino, S. M. 1941. Further notes on Bopyrids from Kyûsyû and Ryûkyû.. Annotat Zool Jpn., 20: 154–158.  [Google Scholar], infesting Liagore rubromaculata (De Haan); G. hainanensis sp. nov., infesting Atergatis floridus (L.) and Atergatis sp., which differs from other recorded species in the shape of its barbula, first oostegite and subrectangular maxilliped; G. rhombos sp. nov., infesting Heteroplax dentata Stimpson, Eucrate alcocki Serene and Eucrate sp., its female distinguished from other species of Gigantione by having a prominent rhombic projection on the barbula; and G. tau sp. nov., infesting Carcinoplax longimanus (De Haan), the female of which differs from other species mainly by its T‐shaped pigmentation on the head. Four brachyuran crabs are first reported as hosts of bopyrids. A list of all brachyuran species so far recorded as bopyrid hosts in China is provided.     

Two new species of terrestrial Isopoda (Crustacea,Oniscidea) from Ascension Island

A collection of eight species of terrestrial isopods from lava and cave sites on Ascension Island is described. Two species, Niambia longiantennata (Platyarthridae) and Elumoides coecus (Eubelidae), are described as new. Atlantoscia alceui Ferrara and Taiti (Philosciidae) is considered to be a junior synonym of A. floridana (Van Name) and the genus Ocelloscia Schultz and Johnson of Atlantoscia Ferrara and Taiti. At present the oniscidean fauna known from Ascension Island consists of 13 species.     

On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae)

Meridiosignum undulatum n. sp. and M. disparitergum n. sp. are described from off the Río de la Plata estuary. These two new species are easily distinguished from other members of the genus Meridiosignum in having the lateral margins of pereonites 2 and 3 bilobed (the concavity is much more pronounced in M. disparitergum), and those of pereonite 4 produced into a single process. The terminal male instar of Meridiosignum menziesi (Winkler, 1994 Winkler, H. 1994. Paramunnidae (Crustacea: Isopoda: Asellota) from the Magellan Strait.. Zool J Linn Soc., 110: 243–296. [Crossref] , [Google Scholar]) is described, and this species is herein reported from the Beagle Channel and Puerto Deseado. All the species currently placed in Meridiosignum were found in shallow waters in the southern hemisphere, M. undulatum n. sp. and M. disparitergum n. sp. being the species recorded at the greatest depth (129 m).     

The genus Bassus Fabricius, 1804 (Hymenoptera: Braconidae: Agathidinae) in China,with description of three new species

Five species of Bassus Fabricius, are recognized to occur in China, of which three are new: Bassus guangxiensis sp. nov., Bassus levisulcus sp. nov. and Bassus robustus sp. nov. The new species are described and fully illustrated. Bassus albozonatus van Achterberg & Long, is recorded from China for the first time. A key to the Chinese species of the genus Bassus is provided.www.zoobank.org/urn:lsid:zoobank.org:pub:17297254-9E84-4D0F-AE8C-1F7264393137     

Terrestrial isopods from the Oued Laou basin,north-eastern Morocco (Crustacea: Oniscidea), with descriptions of two new genera and seven new species

Thirty-four species of terrestrial isopods (Crustacea: Oniscidea) from the Oued Laou basin, in the Rif area of north-eastern Morocco, are recorded. One genus (Paractenoscia) and seven species (Trichoniscus microphthalmus, Paractenoscia cavernicola, Bathytropa rifensis, Soteriscus gibbosus, S. laouensis, Porcellio pseudornatus, and Eluma praticola) are described as new. The genus Soteriscus, unavailable according to article 13.3 of the International Commission on Zoological Nomenclature (ICZN), is here revalidated by choosing S. gaditanus as type species. Six species (Graeconiscus thermophilus, Ctenoscia minima, Platyarthrus parisii, Porcellio humberti, Porcellio flavocinctus and Eluma caelata) have been fully illustrated to facilitate their identifications. Ctenoscia dorsalis Verhoeff is considered to be a junior synonym of C. minima Dollfus. Porcellio ornatus from southern Spain is also figured for comparison with P. pseudornatus sp. nov. The composition and origin of the oniscidean fauna of the Rif region is briefly discussed.

http://zoobank.org/urn:lsid:zoobank.org:pub:DCBF3103-1463-4A32-9BC0-A4CFE8B762AE     

Four new records and a new species of Dactylokepon Stebbing, 1910 (Epicaridea: Bopyridae: Ioninae) from Chinese waters

Five species of the parasitic isopod genus Dactylokepon are described from brachyuran crabs and a scyllarid shrimp collected in Chinese waters. Four species are first recorded from this region, D. richardsonae Stebbing, 1910 Stebbing, T. R. R. 1910. Isopod from the Indian Ocean and British East Africa.. Reports of the Percy Sladen Trust Expedition to the Indian Ocean in 1905, under the leadership of Mr. J. Stanley Gardiner, M. A. Transactions of the Linnean Society of London, Series 2, Zoology, 14(1): 83–122.  [Google Scholar] infesting Portunus argentatus (White), D. semipennatus Bourdon, 1983 Bourdon, R. 1983. Expédition Rumphius II (1975) Crustacés parasites, commensaux, etc. (Th. Monod éd.). VIII. Crustacés isopodes (3e partie: Épicarides Bopyridae).. Bulletin du Muséum National d'Histoire Naturelle, Paris, Série 4, 5(A3): 845–869.  [Google Scholar] infesting Portunus haanii (Stimpson) and Lupocyclus rotundatus Adams and White, D. holthuisi Bourdon, 1967 Bourdon, R. 1967. Sur deux nouveaux épicarides (Isopoda) parasites de crustacés decapods.. Zoologische Mededelingen, 42(17): 167–174.  [Google Scholar] infesting Eduarctus martensii (Pfeffer), and D. caribaeus Markham, 1975 Markham, J. C. 1975. New records of two species of parasitic isopods of the bopyrid subfamily Ioninae in the western Atlantic.. Crustaceana, 29(1): 55–67.  [Google Scholar] infesting Randallia trituberculata Sakai. In addition, one species is new to science, D. barbuladigitus n. sp. infesting Liagore rubromaculata (De Haan). Six brachyuran crabs are reported for the first time as hosts of bopyrids. The new species is distinguished from other species of Dactylokepon in having a prominent trifid frontal lamina and a distinct digitate barbula.     

Revision of the genus Niwaella in China (Pisces,Cobitidae), with description of two new species

Loaches of the genus Niwaella, family Cobitidae, are distributed only in East Asia. At present only in Japan and South Korea have fishes of the genus Niwaella been found. Herein we revise the genus Niwaella in China. Son and He () transferred the species Cobitis laterimaculata to the genus Niwaella, but their specimens were not N. laterimaculata, but a new species, N. longibarba sp. n., collected from Cao'ejiang River, Huangzezhen, Chengxian County, Zhejiang Province. The new species is distinguished from N. laterimaculata by its colour pattern of a row of slightly large, and long, scattered dark brown vertical bars on the dorsolateral surface, two or three striations on the caudal fin, and long barbels and undeveloped mental lobes. In this paper we also describe another new species, N. xinjiangensis sp. n., collected from Xinjiang River, Guangfeng County, Jiangxi Province, May 1990, with diagnostic colour pattern of 17–20 large and long, dark brown vertical bars on the dorsolateral surface, a dark stripe or rounded black spots along the lateral midline and some blotches below the lateral midline; it is a large‐sized species, with shorter barbels, and longer caudal peduncle. Thus five species of the genus Niwaella are known, three are endemic to eastern China and two are endemic to either Japan or South Korea.     

Taxonomic revision of the genus Littorophiloscia Hatch, 1947 (Crustacea,Isopoda, Oniscidea) with description of six new species

In the present revision 15 species of Littorophiloscia are recognized. Six species, namely L. tropicalis, L. koreana, L. amphindica, L. pallida, L. bifasciata and L. hawaiiensis are described as new. Littorophiloscia isabellae (Vandel, 1973) is considered to be a junior synonym of L. albicincta (Vandel, 1973), and Philoscia dartevellei Brian, 1953 and Vandeloscia orientalis Roman, 1977 are considered to be junior synonyms of L. culebrae (Moore, 1901). Alloniscus compar sens. Vandel, 1952 nec Budde-Lund, 1893 is considered to be distinct from L. riedli (Strouhal, 1966) and it has been renamed L. tropicalis sp. nov. The genera Bilawrencia Vandel, 1973, Helenoscia Vandel, 1977, Vandeloscia roman, 1977 and Sayoscia Schultz, 1983 are considered to be synonymous with Littorophiloscia. Diagnostic characters of all the species are illustrated. A map and comments on the distribution of the 15 species are included.     

New records and hosts for three species of pseudionine bopyrids (Crustacea: Isopoda: Bopyridae) parasitizing munidid squat lobsters (Crustacea: Anomura: Munididae) in Philippine waters

Three species of pseudionine bopyrid isopods infesting four species of munidid squat lobsters are reported from Philippine waters: Pleurocryptella laevis (Richardson, 1910 Richardson, H. 1910. Marine isopods collected in the Philippines by the U. S. Fisheries steamer Albatross in 1907–8. Bureau of Fisheries Document., 736: 1–44.  [Google Scholar]) from Agononida analoga (Macpherson, 1993); Aporobopyrus retrorsa (Richardson, 1910 Richardson, H. 1910. Marine isopods collected in the Philippines by the U. S. Fisheries steamer Albatross in 1907–8. Bureau of Fisheries Document., 736: 1–44.  [Google Scholar]) from Munida philippinensis Macpherson and Baba, 1993 and Munida kuboi Yanagita, 1943; and Munidion laterale Richardson, 1910 Richardson, H. 1910. Marine isopods collected in the Philippines by the U. S. Fisheries steamer Albatross in 1907–8. Bureau of Fisheries Document., 736: 1–44.  [Google Scholar] from Paramunida scabra (Henderson, 1885). All of these hosts, except for Paramunida scabra, are recorded for the first time bearing parasitic isopods.     

A review of the genus Geraldus Fitton (Hymenoptera: Ichneumonidae: Banchinae), with description of a new species

An undescribed species of Banchinae from Chile in the Natural History Museum collections is described as Geraldus fittoni Broad, sp. nov. Four more specimens of Geraldus cambrensis have been found, from Chile and Argentina. The monophyly of Geraldus and of Philogalleria are supported.     

The tetrigid genus Eucriotettix Hebard (Orthoptera: Scelimeninae) from China with description of two new species

Two new species of the tetrigid genus Eucriotettix Hebard from China, namely Eucriotettix tridentatus sp. nov. and Eucriotettix torulisinotus sp. nov. are described. The distribution and an updated key to the species of the genus from China is given.

http://zoobank.org/urn:lsid:zoobank.org:pub:E7E5EA3B-92ED-450F-9D1C-74569148D4F8     

Taxonomy of the genus Gabrius Stephens, 1829 (Coleoptera: Staphylinidae: Philonthina) from China,with description of two new species

In this paper, two new species of the genus Gabrius from China are described and illustrated: G. zhoui sp. nov. from Sichuan and G. invisus sp. nov. from Beijing, Hubei, Hunan, Henan, Shaanxi, Sichuan and Zhejiang. Gabrius imitator (Fauvel, 1895 Fauvel, A. 1895. Staphylinides nouveaux de l'Inde et de la Malaisie. Rev Entomol, 14: 180–286.  [Google Scholar]), G. lebedevi (Bernhauer, 1910 Bernhauer, M. 1910. Zur Staphylinidenfauna des palaearktischen Gebietes. Soc Entomol, 25: 71–71. 78–79 [Google Scholar]), G. tirolensis (Luze, 1903 Luze, G. 1903. Eine neue Art der Staphyliniden-Gattung Philonthus Curtis aus Mitteleuropa. Verhandlungen der k. k. Zool-botan Gesellschaft Wien, 53: 386 [Google Scholar]), G. kambaitiensis Scheerpeltz, 1965 Scheerpeltz, O. 1965. Wissenschaftliche Ergebnisse der Schwedischen Expedition 1934 nach Indien und Burma. Coleoptera Staphylinidae (except Megalopsidiinae et Steninae). Ark Zool, 17: 93–371.  [Google Scholar], G. cinctiventris Scheerpeltz, 1965 Scheerpeltz, O. 1965. Wissenschaftliche Ergebnisse der Schwedischen Expedition 1934 nach Indien und Burma. Coleoptera Staphylinidae (except Megalopsidiinae et Steninae). Ark Zool, 17: 93–371.  [Google Scholar], G. egens (Sharp, 1874 Sharp, DS. 1874. The Staphylinidae of Japan. Entomol Soc London Trans, : 1–103.  [Google Scholar]), G. smetanai Schillhammer, 1997 Schillhammer, H. 1997. Taxonomic revision of the Oriental species of Gabrius Stephens (Coleoptera: Staphylinidae). Mono Coleop, 1: 1–139.  [Google Scholar] and G. zerchei Schillhammer, 1996 Schillhammer, H. 1996. New genera and species of Asian Staphylinini (Coleoptera: Staphylinidae: Staphylininae). Koleopterol Rundsch, 66: 59–71.  [Google Scholar] are reported from China for the first time. Thus, a total of 53 species of the genus Gabrius are known from China.