Two new species of Paurodontella Husain & Khan, 1968 (Nematoda: Sphaerulariidae) associated with wheat and a diagnostic compendium to the genus

Nematology ◽  
2010 ◽  
Vol 12 (2) ◽  
pp. 181-192 ◽  
Author(s):  
Zafar A. Handoo ◽  
Erum Y. Iqbal ◽  
Nasira Kazi ◽  
Shahina Fayyaz

Abstract An identification key to ten valid species of Paurodontella is given. A compendium of the most important diagnostic characters with illustrations of each species is included as a practical alternative and supplement to the key. The diagnosis of Paurodontella is emended and a list of all valid species of the genus is given. Two new species (Paurodontella myceliophaga n. sp. and P. balochistanica n. sp.) collected around the roots of wheat (Triticum aestivum L.) from North-West Frontier Province and Balochistan, Pakistan, are described and illustrated. Paurodontella myceliophaga n. sp. is characterised by having a short post-uterine sac, lateral field with four incisures, excretory pore at the base of the pharynx and fusiform median bulb, whereas P. balochistanica n. sp. has a longer and very slender body with posterior vulva, lateral field with four incisures and short mucronate tail. Because these species are limited in distribution, their importance is not known.

2020 ◽  
Vol 54 (3) ◽  
pp. 283
Author(s):  
Gabriela Muñoz ◽  
Mario George-Nascimento

Microcotyle is one of the most diverse and controversial genera within the family Microcotylidae. To date, 131 species have been described in Microcotyle; however, more than half have been transferred to other genera, and several others have poor descriptions. Therefore, less than half of all Microcotyle species may be considered valid. In Chile, two species have been recognized, and unidentified Microcotyle have been found on several littoral fish, but there has been no effort to properly identify them. In this study, two new species of Microcotyle are taxonomically described from intertidal fish of the central (33°S) and south-central (36°S) regions of Chile. In this study, Microcotyle sprostonae n. sp. (collected mainly from Scartichthys viridis in central Chile) and M. chilensis n. sp. (collected mainly from Calliclinus geniguttatus in south-central Chile) were identified based on morphological and molecular analyses (ITS2 and 18S genes). Both species of Microcotyle principally differed from one another and from other valid species in the number of testes and clamps. The two new species also differed from one another by one base pair in the ITS2 and 18S genes and differed from other species of Microcotyle by several base pairs of both genes. Intertidal fish are mostly endemic to the Pacific coast of South America, and they have a limited geographical distribution that does not overlap with the type hosts of other Microcotyle species. Therefore, the two new species described here are distinguished from other congeneric species by morphological, genetic, and biological characteristics.


Zootaxa ◽  
2020 ◽  
Vol 4728 (3) ◽  
pp. 363-371
Author(s):  
ULISSES PINHEIRO ◽  
LUDIMILA CALHEIRA ◽  
CELINA MARTINS ◽  
LIESL JANSON ◽  
RICKY TAYLOR ◽  
...  

Geographic distributions of freshwater sponges are related to the geological and climatic history of the continents, on the presence of gemmules and the morphological complexity of this resistant body to withstand change. Gemmules are characteristic of the freshwater Families Spongillidae, Metaniidae and Potamolepidae. However, Acanthotylotra alvarengai, Echinospongilla brichardi and a number of other species within the genus Potamolepis do not produce gemmules. Potamolepis is endemic to the Afrotropical region with seven valid species. African freshwater sponges however, are mostly known from a single specimen (the holotype), due to the scarcity of material from these freshwater systems. In the present study, we describe two new species of non-gemmule bearing freshwater sponges from the Neotropical and Afrotropical Regions.  


Zootaxa ◽  
2020 ◽  
Vol 4845 (2) ◽  
pp. 239-252
Author(s):  
JULIA K. ZOGRAF ◽  
OLGA N. PAVLYUK ◽  
YULIA A. TREBUKHOVA ◽  
LI BAOQUAN

The family Enchelidiidae is recovered as monophyletic and appears to be a more recently derived taxon within the superfamily Oncholaimoidea. It combines nematodes with buccal cavity with three unequal teeth, crenate pharynx, and absence of demanian system. Genus Thoonchus was erected for nematodes characterized by the large buccal cavity with heavily cuticularized walls and several rows of denticles, short and arcuate spicules and gubernaculums with expanded corpus. One new species is described here from the Sishili Bay, located in the northern Yellow Sea. Thoonchus covidus sp. nov. is characterized by the body length 3195‒4339 µm, outer labial and cephalic setae in one circle, pocket shaped amphid above the buccal cavity base, secretory-excretory pore at the base of cephalic setae, arched spicules, gubernaculum with thin proximal extension parallel to spicules, preanal supplement absent, three pairs of preanal papillae. It differs from other congeners by the position of secretory-excretory pore, absence of supplementary organ in males and presence of three pairs of precloacal papillae. Redescription of T. giganticus is also provided. After critical evaluation of the genus we recognize 4 valid species and provide a taxonomic key to species. 


Zootaxa ◽  
2012 ◽  
Vol 3150 (1) ◽  
pp. 36 ◽  
Author(s):  
GEOFF A. BOXSHALL ◽  
DAMIÀ JAUME

Three new species of copepod crustaceans are described from material collected from anchialine and brackish habitats inand around the village of Walengkabola on the coast of Muna Island, to the southeast of Sulawesi. A new species of cy-clopoid, Paracyclopina sacklerae n. sp., was described from material collected from the tidal inflow entering into the bot-tom of sinkholes a few metres inland from the shoreline. Detailed comparisons are made with Paracyclopina orientalis(Lindberg, 1941), n. comb., a closely related congener here transferred from its original genus Cyclopetta Sars, 1913. Theassignment of Paracyclopina Smirnov, 1935 to the family Cyclopettidae is followed here despite uncertainty over the va-lidity of some of the families created by the break up of the former Cyclopinidae. Two new species of Boholina Fosshagen& Iliffe, 1989 are described, based on material from the same sinkholes and from caves located up to 700m inland fromthe coast and exhibiting further reduced salinity down to 1.8 ppt. One species, B. parapurgata n. sp., is very closely relatedto B. purgata Fosshagen & Iliffe, 1989 from Bohol island in the Philippines, the other B. munaensis n. sp., is very closelyrelated to B. crassicephala Fosshagen & Iliffe, 1989 also from Bohol island, but a number of fine scale differences in the leg 5 of both sexes are recognised in each case. Keys to valid species of both genera are provided.


Zootaxa ◽  
2007 ◽  
Vol 1646 (1) ◽  
pp. 51-58 ◽  
Author(s):  
SHÔZÔ EHARA ◽  
TETSUO GOTOH

Two new species of the spider mite family Tetranychidae are described and illustrated from Japan: Oligonychus camelliae n. sp. from Camellia japonica L. (Theaceae) at Shinobuyama, Fukushima, Honshu, and Tetranychus misumaiensis n. sp. from Apios sp. (Fabaceae) at Misumai, Sapporo, Hokkaido. Oligonychus rubicundus Ehara is a valid species differing from O. formosanus Lo by the shape of the peritreme and aedeagus, and O. shinkajii Ehara is regarded as a junior synonym of O. modestus (Banks). A Japanese mite Eutetranychus africanus (Tucker) has so far been referred to E. orientalis (Klein) in error.


Zootaxa ◽  
2019 ◽  
Vol 4651 (2) ◽  
pp. 201-234
Author(s):  
CHANTELLE GIRGAN ◽  
MARIETTE MARAIS ◽  
HENDRIKA FOURIE ◽  
LOURENS TIEDT ◽  
ANTOINETTE SWART

Aphanolaimus strilliae n. sp. and Makatinus africanus n. sp. are described from freshwater sources in the Telperion Nature Reserve, Mpumalanga, South Africa. Aphanolaimus strilliae n. sp. is characterised by a body length of 1240–1613 μm, more than 800 body annules, lateral field originating between the first and second lateral body pore at the 34th–46th annule, first lateral body pore located at the 25th–35th annule, vagina V-shaped and bent anteriorly, 142–195 µm long uterus and 165–207 µm long tail with spinneret offset. This species is ovoviviparous and no males were found. Makatinus africanus n. sp. is characterised by a large, thick body (3228–4128 μm long, a = 30–39 wide), slightly set off lip region with amalgamated lips; 31–34 μm long odontostyle; long tongue-shaped cardia, and stout, short tail (30–43 μm long) with a small peg / digitate extension and male absent. Populations of three known species, Chronogaster africana, Eutobrilus annetteae and Neotobrilus ampiei, from fresh water at the Telperion Nature Reserve are described and scanning electron microscope graphs of these species published for the first time. 


Zootaxa ◽  
2019 ◽  
Vol 4651 (1) ◽  
pp. 85-113
Author(s):  
KOBRA HASHEMI ◽  
AKBAR KAREGAR

During a survey, 12 known and one new species of Ditylenchus Filipjev, 1936 were collected from southern provinces of Iran during 2013–2017. Ditylenchus paraparvus n. sp. is characterised by a short body length (441–543 µm), lateral field with four lines, delicate and short stylet (6–7.5 µm) with small rounded or posteriorly sloping knobs, pyriform and offset basal pharyngeal bulb, V = 67.7–76.4, short post-vulval uterine sac less than one vulval body width long, small spicules (12.5–15 µm) and almost cylindrical tail (71–90 µm) with rounded end. Morphometric data of studied species are presented and intraspecific variation of their morphometrics and morphological characters is discussed. The list of the world Ditylenchus species is updated, and a dichotomous identification key and an updated tabular compendium for 63 valid species is provided. 


Zootaxa ◽  
2011 ◽  
Vol 2747 (1) ◽  
pp. 1 ◽  
Author(s):  
MADHAVA MEEGASKUMBURA ◽  
KELUM MANAMENDRA-ARACHCHI

Two new species of Sri Lankan shrub frogs of the genus Pseudophilautus are described. These species are diagnosed from their congeners on the basis of morphology, morphometrics and mitochondrial DNA sequence data. Pseudophilautus schneideri, new species, is distinguished from all Sri Lankan Pseudophilautus by its small size (< 22.8 mm SVL), distinct tympanum and supratympanic fold, sharp canthal edges, granular throat, chest and belly, and absence or presence of a vomerine ridge. Pseudophilautus hankeni, new species, is distinguished by its diminutive size (< 21.9 mm SVL), distinct tympanum, rounded canthal edges, tuberculated outer edge of lower arm, tuberculated dermal fold on outer edge of foot, granular throat, chest and belly, and the absence of a vomerine ridge. Pseudophilautus schneideri inhabits shrubs in open areas of the low to mid-elevations of the island’s south-western ‘wet zone’ (rainfall > 2,000 mm•yr -1 ), including anthropogenic habitats, while P. hankeni is found on shrubs in the understorey of montane forests of the highest peaks (c. 1,200– 1,600 m elevation) of the Knuckles region. These descriptions bring the total number of valid species of Sri Lankan Pseudophilautus to 67, 48 of which are extant.


Zootaxa ◽  
2008 ◽  
Vol 1814 (1) ◽  
pp. 21 ◽  
Author(s):  
RAFAEL P. INDICATTI ◽  
SYLVIA M. LUCAS ◽  
JOSÉ P. L. GUADANUCCI ◽  
FLÁVIO U. YAMAMOTO

The genus Magulla Simon 1892 is revalidated and redescribed. The female of the type species M. obesa Simon 1892 is redescribed and the male is described for the first time. Magulla janeirus (Keyserling 1891) is considered a valid species. Magulla symmetrica Bücherl 1949 is transferred to Plesiopelma Pocock 1901, and considered a junior synonym of P. insulare (Mello-Leitão 1923). Additionally, two new species are described from Brazil: M. buecherli n. sp. from Ilhabela, São Paulo and M. brescoviti n. sp. from São Francisco de Paula, Rio Grande do Sul.


2015 ◽  
Vol 46 (3) ◽  
pp. 221-267 ◽  
Author(s):  
Francesco Lombardo ◽  
Rita Umbriaco ◽  
Salvatrice Ippolito

A full taxonomic revision of the Neotropical genusParastagmatopteraSaussure is presented, including the description of two new species:Parastagmatoptera bororoisp.n. andParastagmatoptera sottileisp.n.The following species are synonyms:Parastagmatoptera tessellataSaussure & Zehntnersyn.n.(male nec female) andParastagmatoptera hoorieCaudellsyn.n.ofParastagmatoptera flavoguttata(Serville);Parastagmatoptera confusaG.-Tossyn.n.ofParastagmatoptera pellucidaG.-Tos;Parastagmatoptera tessellataSaussure & Zehntnersyn.n.(female nec male),Parastagmatoptera serricornisKirbysyn.n.andParastagmatoptera vitrepennisBrunersyn.n.ofParastagmatoptera unipunctata(Burmeister);Parastagmatoptera concolorJantschsyn.n.ofParastagmatoptera theresopolitanaG.-Tos.Parastagmatoptera vitreola(Stål), previously treated as a synonym ofParastagmatoptera flavoguttatais returned to species status;P. flavoguttata var. immaculataChopard is recognized as a valid species.Parastagmatoptera amazonicaWerner andParastagmatoptera glauca(Rehn) are transferred to the subfamily Photinainae. In total, nine species are recognized, each of which is presented with a diagnosis, a full description, assessments, distribution data and a comprehensive bibliography. A taxonomic history of the genus and its species is provided. A key to allParastagmatopteraspecies is included and each is fully illustrated. Comments about the biogeography ofParastagmatopteraare also presented.


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