Two new species of Tardigrada from moss cushions (Grimmia sp.) in a xerothermic habitat in northeast Tennessee (USA, North America), with the first identification of males in the genus Viridiscus

Background The phylum Tardigrada consists of over 1,300 species that inhabit terrestrial, freshwater and marine environments throughout the world. In terrestrial habitats they live primarily in mosses, lichens, leaf litter and soil, whereas tardigrades in freshwater and marine environments are mainly found in sediments and on aquatic plants. More than 65 species have been previously reported in the state of Tennessee, USA. Methods Tardigrades present in moss cushions (Grimmia sp.) collected from a xerothermic habitat on the East Tennessee State University campus, Johnson City, TN, USA, were extracted, mounted on slides, identified, and counted. Additional samples of fresh dried moss were used for integrative analyses, including morphological analysis with phase contrast (PCM) and scanning electron microscopy (SEM), as well as molecular analyses of COI, 18S rRNA, 28S rRNA, and ITS-2 of the Macrobiotus and Milnesium species. Results Five species were found, including two species new to science: Viridiscus miraviridis sp. nov. and Macrobiotus basiatus sp. nov. Viridiscus miraviridis sp. nov. differs from other members of the genus mainly by having a different type of dorsal cuticle and some other, more subtle, morphometric characters. In addition to the two new species, Viridiscus perviridis and Viridiscus viridissimus were present, and males of Vir. viridissimus were found for the first time, the first record of males in the genus Viridiscus. Macrobiotus basiatus sp. nov. is most similar to Macrobiotus nelsonae, but it differs from Mac. nelsonae mainly by the stylet supports being situated in a more anterior position, shorter and narrower egg processes, and a smaller number of areoles around the egg processes. Moreover, the identification of Milnesium inceptum was confirmed as the first record for the USA by analysis of COI.

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Two new species of Hurleyella Runyon & Robinson (Diptera: Dolichopodidae), with the first record from the Neotropics

Zootaxa ◽

10.11646/zootaxa.4568.3.8 ◽

2019 ◽

Vol 4568 (3) ◽

pp. 548

Author(s):

JUSTIN B. RUNYON

Keyword(s):

New Species ◽

First Record ◽

Distribution Map ◽

Two New Species ◽

The Usa ◽

Northern Rockies

Two new species of the long-legged fly genus Hurleyella Runyon & Robinson, 2010 are described and illustrated: Hurleyella belizensis sp. nov. from Belize and Hurleyella salina sp. nov. from alkali areas of the Northern Rockies of the USA (Idaho, Montana, Wyoming). The discovery of these new species greatly extends the known distribution of Hurleyella northward in the Nearctic and southward into the Neotropics. Notes, photos of habitats, a distribution map, and a key to the four known species of Hurleyella are provided.

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Morphological and molecular characterization of two new species of the genus Aporcelinus Andrássy, 2009 (Nematoda, Dorylaimida, Aporcelaimidae) from the USA, with new insights on the phylogeny of the genus

Journal of Helminthology ◽

10.1017/s0022149x18001128 ◽

2018 ◽

Vol 94 ◽

Author(s):

S. Álvarez-Ortega ◽

S.A. Subbotin ◽

R. Peña-Santiago

Keyword(s):

New Species ◽

Ventral Side ◽

28S Rrna ◽

Neck Length ◽

Female Tail ◽

Body Diameter ◽

Two New Species ◽

Close Relationship ◽

The Usa

Abstract Two new species of the genus Aporcelinus from the USA are described and illustrated. Aporcelinus floridensis sp. n. is characterized by its 1.12–1.52 mm long body, lip region offset by marked constriction and 14.5–17.0 μm broad with perioral liplets, odontostyle 16.5–20.0 μm at its ventral side and 1.1–1.2 times the lip region diameter, neck 316–395 μm long, pharyngeal expansion occupying 43–48% of total neck length, uterus simple and 33–56 μm long or 0.8–1.2 times the corresponding body diameter, V = 48–54, female tail conical (36–49 μm long, c = 27–41, c’ = 1.2–2.0) with finely rounded terminus and no hyaline portion, and male absent. Aporcelinus paolae sp. n. is characterized by its 1.29–1.80 mm long body, lip region offset by marked constriction and 14–16 μm broad, odontostyle 15–17 μm at its ventral side and 1.0–1.1 times the lip region diameter, neck 314–397 μm long, pharyngeal expansion occupying 43–53% of total neck length, uterus tripartite and 128–164 μm long or 2.6–3.6 times the corresponding body diameter, V = 53–57, female tail conical (30–39 μm long, c = 40–51, c’ = 1.1–1.3) with finely rounded terminus and variably re-curved dorsad, male tail conical (27–36 μm, c = 39–59, c’ = 0.9–1.2), ventrally straight and dorsally convex, spicules 48–54 μm long, and 7–9 irregularly spaced ventromedian supplements lacking hiatus. The analyses of the D2-D3 expansion segments of 28S rRNA (LSU) gene sequences of the two new species confirmed the monophyly of the genus, based upon currently available data, showing a close relationship between the genera Aporcelinus and Makatinus, and justified the placement of Aporcelaimellus, Makatinus and Aporcelinus under the subfamily Aporcelaimellinae.

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New species of Microscleroderma and Amphibleptula (Demospongiae, Tetractinellida, Scleritodermidae) from two contrasting marine environments

Journal of the Marine Biological Association of the United Kingdom ◽

10.1017/s0025315421000114 ◽

2021 ◽

pp. 1-11

Author(s):

Patricia Gómez ◽

Fernando Calderón-Gutiérrez ◽

Carlos González-Gándara ◽

María De Los Angeles Rojas-Terán

Keyword(s):

New Species ◽

First Record ◽

The Body ◽

Nominal Species ◽

Marine Environments ◽

Western Atlantic ◽

Cozumel Island ◽

Two New Species ◽

First Time

Abstract We record for the first time a nominal species of the genus Microscleroderma in the Western Atlantic, and the first record of the genus Amphibleptula in Mexico. Two new species of ‘lithistid’ Tetractinellida are described: Microscleroderma mexica sp. nov. from crevices of two reefs in Veracruz, Mexico, and Amphibleptula aaktun sp. nov. from the anchialine cave El Aerolito, Cozumel Island, Mexico. Microscleroderma mexica sp. nov. is characterized by its tubular and cup-shaped to wavy laminar habitus, hirsute surface and two size categories of oxea diactines. Amphibleptula aaktun sp. nov. is characterized by its ficiform or lobular habitus with an exhalant area at the flat top of the body, divided into numerous vertical septa-like structures; its desmas have thinner epirhabds, and thinner oxea than those of Amphibleptula madrepora. This is the second species of Amphibleptula that has been described; hence, we propose the redefinition of the genus. Both species described have a shallow distribution (≤21 m depth); they are differentiated from each other by the disjunction between their habitats as well as by their morphology.

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A new genus and two new species of congrid eels (Teleostei: Anguilliformes: Congridae) from the Indo-West Pacific, with a redescription and osteology of Chiloconger dentatus

Zootaxa ◽

10.11646/zootaxa.343.1.1 ◽

2003 ◽

Vol 343 (1) ◽

pp. 1 ◽

Cited By ~ 3

Author(s):

DAVID G. SMITH ◽

EMMA S. KARMOVSKAYA

Keyword(s):

New Species ◽

Indian Ocean ◽

New Genus ◽

Western Indian Ocean ◽

First Record ◽

The Philippines ◽

Additional Material ◽

Morphometric Characters ◽

Posterior Nostril ◽

Two New Species

A new genus and two new species of congrid eels, subfamily Bathymyrinae, are described from the western Indian Ocean and the western Pacific. Kenyaconger gen. nov. differs from all other congrids in having a tubular posterior nostril, opening on the edge of the upper lip behind the labial flange. Kenyaconger heemstrai sp. nov., the only species in the genus, is described from a single specimen collected off the coast of Kenya in the western Indian Ocean. Chiloconger philippinensis sp. nov. is described from the Philippines, the first record of the genus outside the eastern Pacific. It differs from Chiloconger dentatus (Garman, 1899) in several meristic and morphometric characters. Chiloconger dentatus is redescribed from additional material and its osteology is described for the first time. Chiloconger similis Wade, 1946 is reassigned to Paraconger Kanazawa.

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Two new species of Sabellariidae (Annelida, Polychaeta) from the abyss of eastern Australia

Zootaxa ◽

10.11646/zootaxa.4821.3.4 ◽

2020 ◽

Vol 4821 (3) ◽

pp. 487-510

Author(s):

JINGHUAI ZHANG ◽

PAT HUTCHINGS ◽

INGO BURGHARDT ◽

ELENA KUPRIYANOVA

Keyword(s):

New Species ◽

Sequence Data ◽

Benthic Communities ◽

First Record ◽

Thoracic Segment ◽

Distal Margin ◽

Planktonic Larva ◽

Eastern Australia ◽

Two New Species ◽

Buccal Flap

In May–June 2017 an expedition on board RV ‘Investigator’ sampled benthic communities along the lower slope and abyss of eastern Australia from off Tasmania to the Coral Sea. Over 200 sabellariid specimens of the genera Phalacrostemma and Gesaia were collected during the voyage and deposited in the Australian Museum. Here we describe two new species Gesaia csiro n. sp. (4414–4436 m) and Phalacrostemma timoharai n. sp. (1013–1093 m). We did not formally describe another species of Phalacrostemma due to poor condition of the single specimen. Gesaia csiro n. sp. is the first record of the genus from Australian waters (only a planktonic larva attributed to the genus has previously been recorded), and it can be distinguished from other congeners by the smooth surface of inner paleae, distal thecae of outer paleae with long, irregular and expanded distal fringe and circled distal margin. Phalacrostemma timoharai n. sp. differs from congeners by the following combination of characters: presence of the buccal flap, absence of tentacular filament, 18–22 pairs of outer paleae, two pairs of neuropodial cirri on first thoracic segment, and only one pair of lateral lobes on second thoracic segment. Morphological descriptions are accompanied by mitochondrial cytochrome c oxidase subunit 1 (COI) and ribosomal (16S, 18S and 28S) sequence data. A key to all Australian species of sabellariids is given.

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Two new species of the genus Syngastes (Copepoda, Harpacticoida, Tegastidae) from South Korea

Crustaceana ◽

10.1163/15685403-00003533 ◽

2016 ◽

Vol 89 (4) ◽

pp. 431-458 ◽

Cited By ~ 1

Author(s):

Jong Guk Kim ◽

Tae Won Jung ◽

Jong Guk Kim ◽

Tae Won Jung ◽

...

Keyword(s):

New Species ◽

South Korea ◽

First Record ◽

Exopodal Segment ◽

Key To Species ◽

Korean Waters ◽

The Family ◽

Two New Species ◽

Almost All

Herein two new species of the genusSyngastesMonard, 1924 are described from South Korea, with detailed descriptions and illustrations. Both new copepods,Syngastesmulticavussp. nov. andS. pseudofoveatussp. nov., have two inner setae on the first exopodal segment of P2 and P3.Syngastesmulticavussp. nov. most closely resemblesS. gibbosusBartsch, 1999 reported from Australia, as they both have a five-segmented antennule in the female. However,Syngastesmulticavussp. nov. has a rounded body outline instead of the gibbose outline observed inS. gibbosus.Syngastespseudofoveatussp. nov. resemblesS. foveatusBartsch, 1994 in almost all aspects. However, they differ clearly in the number of setae on the first exopodal segment of P2 and P3. We also provide a key to species of the genusSyngastesworldwide. The present study is the first record of the family Tegastidae in Korean waters.

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First record of the snail-killing fly genus Dichetophora Rondani (Diptera: Sciomyzidae) in Korea, with descriptions of two new species

Zootaxa ◽

10.11646/zootaxa.5068.1.6 ◽

2021 ◽

Vol 5068 (1) ◽

pp. 125-132

Author(s):

YEONGJIN SON ◽

SANG JAE SUH

Keyword(s):

New Species ◽

Korean Peninsula ◽

First Record ◽

First Report ◽

Two New Species ◽

Palearctic Species

This paper provides the first report of the snail-killing fly genus Dichetophora Rondani, 1868 on the Korean peninsula with the discovery of two new species, D. koreana sp. nov. and D. nigricorpa sp. nov. Descriptions and illustrations of the new species and keys to the Palearctic species of this genus are given.

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Two new species of Hoplomegistidae (Acari: Mesostigmata) associated with passalid Beetles from China

Systematic and Applied Acarology ◽

10.11158/saa.22.6.6 ◽

2017 ◽

Vol 22 (6) ◽

pp. 797

Author(s):

Xin-Feng Zhang ◽

Tian-Ci Yi ◽

Jian-Jun Guo ◽

Dao-Chao Jin

Keyword(s):

New Species ◽

Posterior Margin ◽

First Record ◽

Lateral Margin ◽

Adult Females ◽

The Family ◽

Two New Species

Stenosternum cordata sp. nov. and Stenosternum bifurcata sp. nov., new to science, are described, which is the first record of Hoplomegistidae from Asia. Stenosternum cordata sp. nov. is distinguished by its heart-shaped latigynal shield with two pairs of setae along the lateral margin, and two pairs of setae along the posterior margin of the sternal shield. Stenosternum bifurcata sp. nov. is distinguished by having remarkable bifurcate corniculus, six pairs of setae on the sternal shield and three pairs setae on the latigynal shield. The family Hoplomegistidae Camin & Gorirossi, 1955 is redefined and a key to adult females of species is provided.

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Two new species of the genus Laena Dejean (Coleoptera: Tenebrionidae: Lagriinae) from Hong Kong

Zootaxa ◽

10.11646/zootaxa.4344.1.10 ◽

2017 ◽

Vol 4344 (1) ◽

pp. 169 ◽

Cited By ~ 3

Author(s):

WOLFGANG SCHAWALLER ◽

PAUL ASTON

Keyword(s):

Hong Kong ◽

New Species ◽

Body Length ◽

First Record ◽

Zhejiang Province ◽

Two New Species ◽

Coleoptera Tenebrionidae

Two new species of the genus Laena Dejean, 1821 (Coleoptera: Tenebrionidae: Lagriinae) are described from Hong Kong: Laena hongkongica sp. n. and Laena walkeri sp. n. These constitute the first record of the genus from Hong Kong, as a species previously described from nearby area Laena ovipennis Schuster, 1926, in fact originated from Zhejiang province nearby Shanghai. Both species from Hong Kong possess a wide variation in body length, which is quite unusual for this genus.

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First record of the genus Fagineura Vikberg & Zinovjev (Hymenoptera, Tenthredinidae) with descriptions of two new species from China

ZooKeys ◽

10.3897/zookeys.829.30086 ◽

2019 ◽

Vol 829 ◽

pp. 29-42

Author(s):

Mengmeng Liu ◽

Zejian Li ◽

Meicai Wei

Keyword(s):

Phylogenetic Analysis ◽

New Species ◽

First Record ◽

Two New Species ◽

First Time

Fagineura Vikberg & Zinovjev, 2000 is recorded from China for the first time. Two species of Fagineura are described as new, F.flactoserrulasp. n. and F.xanthosomasp. n. A key to the species of Fagineura worldwide is provided, now including four species. In addition, a simple phylogenetic analysis of Fagineura species is provided, based on sequences of the COI and NaK genes.

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