Notes on the annual killifish species Nothobranchius rachovii (Cyprinodontiformes; Nothobranchiidae) with the description of two new species

Zootaxa ◽  
2019 ◽  
Vol 2724 (1) ◽  
pp. 37 ◽  
Author(s):  
KONSTANTIN M. SHIDLOVSKIY ◽  
BRIAN R. WATTERS ◽  
RUDOLF H. WILDEKAMP

Two new species of the East African annual killifish genus Nothobranchius, N. krysanovi and N. pienaari, occurring on the coastal plains of Mozambique and in the Republic of South Africa, are described. Both are members of a clade, herein termed as N. rachovii species group, within the subgenus Nothobranchius. The species N. rachovii is rediagnosed on the basis of cytology, mtDNA analyses, morphology and male colouration. Both new species, N. krysanovi and N. pienaari, can be distinguished from the other species of the group by male colouration, morphology, cytology and mtDNA sequences. Based on mtDNA analyses the subgenus Zononothobranchius is reviewed and presently regarded as containing only one species.

Author(s):  
Carol Simon ◽  
Guillermo San Martín ◽  
Georgina Robinson

Two new species of South African Syllidae of the genusSyllisLamarck, 1818 are described.Syllis unzimasp. nov. is characterized by having unidentate compound chaetae with long spines on margin, a characteristic colour pattern and its reproduction by vivipary. Vivipary is not common among the polychaetes, but most representatives occur in the family Syllidae Grube, 1850 (in five otherSyllisspecies, two species ofDentatisyllisPerkins, 1981 and two species ofParexogoneMesnil & Caullery, 1818).Syllis unzimasp. nov. differs from the other viviparous species in having large broods (>44 juveniles) which develop synchronously. Development of the juveniles is similar to that of free-spawningSyllisspecies, but the appearance of the first pair of eyespots and the differentiation of the pharynx and proventricle occur later inS. unzima.Syllis amicarmillarissp. nov., is characterized by having an elongated body with relatively short, fusiform dorsal cirri and the presence of one or two pseudosimple chaeta on midbody parapodia by loss of blade and enlargement of shaft.Syllis unzimasp. nov. was found in high densities on culturedHolothuria scabraJaeger, 1833 with single specimens found on a culturedCrassostrea gigasThunberg, 1793 and on coralline algae, respectively, whileS. amicarmillariswas found mainly in sediment outside an abalone farm and less frequently on culturedHaliotis midaeLinnaeus, 1758. We discuss the possible benefits of the association withH. scabratoS. unzimasp. nov.


2007 ◽  
Vol 5 (4) ◽  
pp. 449-456 ◽  
Author(s):  
Carlos A. S. de Lucena

Two new species of the genus Crenicichla from the upper rio Uruguay basin are described, Crenicichla hadrostigma and C. empheres. Both are included in the C. missioneira species group along with C. missioneira, C. minuano, C. tendybaguassu, C. igara, and C. jurubi, all occurring in the upper and middle rio Uruguay drainage. Crenicichla hadrostigma is distinguished by the conspicuous ocellated posttemporal blotch, absence of a humeral spot and lateral band, and the presence in males of nine to 16 narrow vertical bars extending from the dorsum to a horizontal line that passes through the lower edge of pectoral axilla. Crenicichla empheres is distinguished from the other species of the missioneira-group by the presence of six to eight horizontally elongate dark blotches along the middle portion of the body, slightly below the upper lateral line, absence of a lateral band, presence in males of numerous dark and irregularly arranged spots on nape, back, and sides of body, and isognathous mouth. A key to the species from rio Uruguay basin is presented.


Phytotaxa ◽  
2017 ◽  
Vol 303 (1) ◽  
pp. 34
Author(s):  
JOSÉ IGNACIO MÁRQUEZ-CORRO ◽  
ENRIQUE MAGUILLA ◽  
TAMARA VILLAVERDE ◽  
SANTIAGO MARTÍN-BRAVO ◽  
MODESTO LUCEÑO

Carex sect. Schoenoxiphium (18 spp.) is a monophyletic group that has its centre of diversity in eastern south Africa. We describe two new species from the Republic of South Africa and Lesotho on the basis of morphological characters. Both new species (C. badilloi and C. parvirufa) are closely related to C. ludwigii, C. kukkoneniana and C. pseudorufa.


2019 ◽  
Vol 24 (4) ◽  
pp. 675
Author(s):  
Yutaka Saito ◽  
Yukie Sato ◽  
Manita Kongchuensin ◽  
Jung-Tai Chao ◽  
Ken Sahara

We described two new species collected from Miscanthus spp. in Thailand and Taiwan. One of the new species, Stigmaeopsis inthanonsis Saito, Kongchuensin & Sahara n. sp., was found in Thailand (Inthanon National Park). The other species from Taiwan, named Stigmaeopsis formosa Saito, Chao & Sato n. sp. was previously referred to as T-form or ML form of Stigmaeopsis miscanthi (Saito). Thus 15 species are now involved in the genus Stigmaeopsis. Because five species inhabiting Miscanthus grasses are resemble together, we call them as Stigmaeopsis miscanthi species group. An updated key to all known species of Stigmaeopsis is proposed.


Zootaxa ◽  
2020 ◽  
Vol 4780 (2) ◽  
pp. 341-355
Author(s):  
TAMARA TOT ◽  
SNEŽANA RADENKOVIĆ ◽  
ZORICA NEDELJKOVIĆ ◽  
LAURA LIKOV ◽  
ANTE VUJIĆ

Two new species of the genus Paragus Latreille, 1804 are described from the Republic of South Africa: Paragus longipilus Tot, Vujić et Radenković sp. nov. and Paragus megacercus Tot, Vujić et Radenković sp. nov. These new species belong to the subgenus Pandasyopthalmus Stuckenberg, 1954a. Paragus longipilus sp. nov. is a member of the P. jozanus group, whereas Paragus megacercus sp. nov. belongs to the P. tibialis group. The taxonomic status of Paragus chalybeatus Hull, 1964 is revised and proposed as synonym of Paragus punctatus Hull, 1949. Additionally, an identification key to males of the South African species of Paragus is provided. Results of the present study confirm a significant level of endemism of Paragus in the Afrotropical Region (12 out of 29). 


Zootaxa ◽  
2011 ◽  
Vol 3055 (1) ◽  
pp. 1
Author(s):  
YANG LIU ◽  
DAO-ZHENG QIN ◽  
MURRAY J. FLETCHER ◽  
YA-LIN ZHANG

Seven new species of Empoasca (Empoasca) Walsh, 1862 are described and illustrated. Five of the new species belong to the Empoasca warchalowskii group: Empoasca (Empoasca) longa Zhang & Liu, Empoasca (Empoasca) megalophylla Qin & Liu, Empoasca (Empoasca) paragucia Fletcher & Liu, Empoasca (Empoasca) undulata Zhang & Liu, Empoasca (Empoasca) vickiae Liu, spp. nov. The other two new species cannot be placed into a species group: Empoasca (Empoas- ca) dendritica Qin & Liu and Empoasca (Empoasca) polyprocessa Fletcher & Liu, spp. nov. An additional 15 species and the subgenus Empoasca (Livasca) Dworakowska & Viraktamath, 1978 are recorded for the first time from China.


Zootaxa ◽  
2018 ◽  
Vol 4417 (1) ◽  
pp. 1 ◽  
Author(s):  
HASAN SEVGİLİ ◽  
DENİZ ŞİRİN ◽  
KLAUS-GERHARD HELLER ◽  
MİCHÈLE LEMONNIER-DARCEMONT

The aim of this study is to conduct a detailed taxonomic revision of the Poecilimon (Poecilimon) zonatus species-group (Orthoptera: Phaneropterinae) using both morphology and bioacoustics. Two new species (Poecilimon (Poecilimon) salmani, P. (P) azizsancar) and one new subspecies (P. (P) zonatus datca) are described. Based on the data, we conclude that the species complex can be separated into two subgroups (P. tauricola and P. zonatus). Within the P. zonatus subgroup, song structures indicate P. variicercis as basal branch since producing two syllable types is possibly a derived character. From both, from bioacoustics and morphology, it is concluded that the relationships between species of the group are as follows: P. tauricola subgroup (P. tauricola + P. azizsancar) + P. zonatus subgroup (P. variicercis + (P. varicornis + (P. zonatus zonatus+P. zonatus datca)) + (P. salmani+P. vodnensis)))). Except for two species (P. vodnensis and P. varicornis), the other species of the group are all distributed in Anatolia. P. vodnensis is known only from Macedonia, whereas, P. varicornis has been recorded only from Syria and Lebanon. We assume that the group originated from an Anatolian ancestral stock and expanded its distribution to the Balkans through Taurus Way and Dardanelles. Other ancestral populations may have also spread in the north-south directions through the appropriate steppe corridors in the Anatolian Diagonal Mountains and in its vicinity.


ZooKeys ◽  
2020 ◽  
Vol 946 ◽  
pp. 113-151
Author(s):  
Hans R. Feijen ◽  
Cobi Feijen

The literature on Sri Lankan Diopsidae is reviewed. Eight Diopsidae are now known to occur in Sri Lanka, five species in the genus Teleopsis and one species each in the genera Sphyracephala, Diopsis, and Cyrtodiopsis. The presence of Cyrtodiopsis requires confirmation to exclude the possibility of mislabelling. All five Teleopsis species are endemic, as are the Diopsis species and probably the Cyrtodiopsis species. Only Sphyracephala bipunctipennis Senior-White has a larger distribution as it also occurs in India. A key is presented for the Diopsidae of Sri Lanka. Three Teleopsis species were already known to occur in Sri Lanka: T. ferruginea Röder, T. krombeini Feijen and T. maculata Feijen. These species form the T. ferruginea species group. Two new species are now described for this group: Teleopsis neglectasp. nov. and Teleopsis sororasp. nov.Teleopsis ferruginea is redescribed, as an earlier redescription turned out to be based on a series of specimens of its sister species T. sororasp. nov. The other three Diopsidae of Sri Lanka are listed and illustrated. Allometric aspects of the five Teleopsis species are discussed. Three Teleopsis species are sexually dimorphic with regard to eye span, while two species are monomorphic. It is assumed that sexual dimorphism developed independently in the T. ferruginea species group. This brings the number of known cases of independent development of sexual dimorphism in the Diopsidae to ten.


Zoosymposia ◽  
2009 ◽  
Vol 2 (1) ◽  
pp. 91-103
Author(s):  
TERESA DARBYSHIRE ◽  
ANDREW S. Y. MACKIE

Two new species of Diplocirrus Haase, 1915 are described from the southern Irish Sea and South Africa. Diplocirrus stopbowitzi sp. nov., identified from several surveys around the Irish Sea in recent years, favors coarser sediments than D. glaucus (Malmgren, 1867), the only other species of Diplocirrus identified from the area. It is morphologically closest to D. capensis Day, 1961 from South Africa, due to a combination of characters (multiarticulated, hooked neurochaetae, cephalic cage absent) that have previously been considered unique to D. capensis within the genus. The other new species, D. incognitus, is described from material identified by Day as D. capensis and deposited in the Natural History Museum, London. In appearance, it approaches D. glaucus but differs most noticeably in the relative size of adherent sediment particles and in the length of papillae clustered around the notochaetae. The two new species exhibit characters that bridge the gap between D. capensis, previously considered anomalous, and the other members of the genus. The significance of hooked neurochaetae is discussed following the discovery of such chaetae on specimens of D. glaucus and D. hirsutus. Diplocirrus glaucus, D. capensis, and the two new species each possess the same two branchial forms: stout, cuneiform with longitudinal ciliated ridges and cirriform with transverse ciliated rings. Comparisons are also made with the morphologically similar genera Bradiella Rullier, 1965 and Diversibranchius Buzhinskaja, 1994.


ZooKeys ◽  
2020 ◽  
Vol 923 ◽  
pp. 51-63
Author(s):  
Kelly B. Miller

Two new species are described in the Neotropical genus Agaporomorphus Guignot from Suriname: A. hamatocolessp. nov. and A. tortussp. nov. The species are included in a phylogenetic parsimony analysis of 13 morphological characters and all 12 known species. Two equally parsimonious arrangements are found with the only difference a rearrangement among the A. knischi clade. Agaporomorphus tortus belongs to the A. dolichodactylus group based on presence of an elongate, club-like lobe on the dorsal, basal surface of the male median lobe and long, subsinuate male mesotarsal claws and a small lobe at the apex of male mesotarsomere V. Agaporomorphus hamatocoles does not belong to a known species group and is phylogenetically isolated lacking synapomorphies characterizing the other groups, so the species is placed in its own species group. Male genitalia are illustrated for the new species and redrawn for all the species of the A. dolichodactylus group, and male mesotarsal claws are illustrated for A. tortus and redrawn for other members of the A. dolichodactylus group. New distribution records are reported for Suriname for the species A. colberti Miller and Wheeler and A. pereirai Guignot.


Sign in / Sign up

Export Citation Format

Share Document