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Anne-Nina Lörz, Anne Helene S Tandberg, Endre Willassen, Amy Driskell
The genus Rhachotropis has the widest geographic and bathymetric distribution of all amphipod genera worldwide. Molecular and morphological investigations of specimens sampled around Iceland and off the Norwegian coast allow the first insights into the relationships of North East Atlantic Rhachotropis . The 31 cytochrome oxidase subunit I (COI) sequences generated for this study were assigned 13 Barcode Index Numbers (BINs) in the Barcode of Life database (BOLD), of which 12 are new to the database. Molecular analyses of COI and 16S sequences could not confirm a theory that depth has a greater influence on the phylogeny of Rhachotropis than geographic distance...
2018: ZooKeys
Anna M Jażdżewska, Laure Corbari, Amy Driskell, Inmaculada Frutos, Charlotte Havermans, Ed Hendrycks, Lauren Hughes, Anne-Nina Lörz, Bente Stransky, Anne Helene S Tandberg, Wim Vader, Saskia Brix
Amphipods constitute an abundant part of Icelandic deep-sea zoobenthos yet knowledge of the diversity of this fauna, particularly at the molecular level, is scarce. The present work aims to use molecular methods to investigate genetic variation of the Amphipoda sampled during two IceAGE collecting expeditions. The mitochondrial cytochrome oxidase subunit 1 (COI) of 167 individuals originally assigned to 75 morphospecies was analysed. These targeted morhospecies were readily identifiable by experts using light microscopy and representative of families where there is current ongoing taxonomic research...
2018: ZooKeys
Carole C Baldwin, Luke Tornabene, D Ross Robertson, Ai Nonaka, R Grant Gilmore
Two new Lipogramma basslets are described, L. barrettorum and L. schrieri , captured during submersible diving to 300 m depth off Curaçao, southern Caribbean. Superficially resembling L. robinsi in having 11-12 bars of pigment on the trunk, L. barrettorum is distinct from L. robinsi in having a stripe of blue-white pigment along the dorsal midline of the head (vs. a cap of yellow pigment), in patterns of pigment on the median fins, and in having 8-10 gill rakers on the lower limb of the first arch (vs. 11-12)...
2018: ZooKeys
Rachel J Swanteson-Franz, Destinie A Marquez, Craig I Goldstein, Andreas Schmidt-Rhaesa, Matthew G Bolek, Ben Hanelt
Gordiids, or freshwater hairworms, are members of the phylum Nematomorpha that use terrestrial definitive hosts (arthropods) and live as adults in rivers, lakes, or streams. The genus Paragordius consists of 18 species, one of which was described from the Nearctic in 1851. More than 150 years later, we are describing a second Paragordius species from a unique habitat within the Nearctic; the Madrean Sky Island complex. The Madrean Sky Islands are a series of isolated high mountains in northern Mexico and the southwestern United States (Arizona and New Mexico), and are well known for their high diversity and endemicity...
2018: ZooKeys
Michael S Caterino, David R Maddison
We describe a new genus and species of Histeridae from Upper Cretaceous Burmese amber, Amplectister tenax Caterino & Maddison, gen. & sp. n. This species represents the third known Cretaceous histerid, which, like the others, is highly distinct and cannot easily be placed to subfamily. It exhibits prosternal characters in common with Saprininae, but other characters appear inconsistent with this possibility. The abdominal venter is strongly concave, and the hind legs are enlarged and modified for grasping. We hypothesize that this represents the earliest example in Histeridae of modifications for phoresy on social insects...
2018: ZooKeys
Tae Won Jung, Charles Oliver Coleman, Ji Hyung Kim, Seong Myeong Yoon
The uristid lysianassoids are reported for the first time from Korean waters with a redescription of Anonyx abei Takekawa & Ishimaru, 2001 and the description of Anonyx exilipessp. n.Anonyx abei is characterized by a distinctively small projection of the posterodistal corner on epimeron 3, different from all species of the Anonyx nugax group which share a constriction at the point of insertion of a distal seta on the inner ramus of uropod 2. Anonyx exilipessp. n. is included in the Anonyx laticoxae group characterized by the unconstricted inner ramus of uropod 2...
2018: ZooKeys
Saskia Brix, Anne-Nina Lorz, Anna M Jazdzewska, Lauren Hughes, Anne Helene S Tandberg, Krzysztof Pabis, Bente Stransky, Traudl Krapp-Schickel, Jean Claude Sorbe, Ed Hendrycks, Wim Vader, Inmaculada Frutos, Tammy Horton, Krzysztof Jazdzewski, Rachael Peart, Jan Beermann, Charles Oliver Coleman, Lene Buhl-Mortensen, Laure Corbari, Charlotte Havermans, Ramiro Tato, Anali Jimenez Campean
Amphipod crustaceans were collected at all 55 stations sampled with an epibenthic sledge during two IceAGE expeditions (Icelandic marine Animals: Genetics and Ecology) in 2011 and 2013. In total, 34 amphipod families and three superfamilies were recorded in the samples. Distribution maps are presented for each taxon along with a summary of the regional taxonomy for the group. Statistical analyses based on presence/absence data revealed a pattern of family distributions that correlated with sampling depth. Clustering according to the geographic location of the stations (northernmost North Atlantic Sea and Arctic Ocean) can also be observed...
2018: ZooKeys
Dušan Jelić, Mišel Jelić, Petar Žutinić, Ivana Šimunović, Primož Zupančič, Alexander M Naseka
Distribution data on many freshwater fish species in Croatia are scarce and species identifications are difficult, requiring further detailed studies. This paper presents a report of the Italian gudgeon Romanogobio benacensis from the Mirna River in the Istra Peninsula in Croatia, in the south-east from its previously known distribution range. The identification of R. benacensis in Croatia was supported by a morphological comparison with R. benacensis from Italy and Slovenia, the common gudgeon Gobio gobio, and the Danubian gudgeon Gobio obtusirostris from geographically close locations...
2018: ZooKeys
Qiang Yang, Chaofan Shi, Xiangchuan Li, Hong Pang, Dong Ren
A new species of Hemerobiidae, Wesmaelius makarkini Yang, Pang & Ren, sp. n. is described from the Lower Miocene, Garang Formation of Zeku County, Qinghai Province (northeastern Tibetan Plateau), China. The species is assigned to the widely distributed extant genus Wesmaelius Krüger (Hemerobiinae). The species represents the first named fossil of this family from China, which sheds light on the historical distribution of Wesmaelius and early divergences within Hemerobiinae.
2018: ZooKeys
C Daniel Rivadeneira, Pablo J Venegas, Santiago R Ron
The genus Dendropsophus is one of the most speciose among Neotropical anurans and its number of described species is increasing. Herein, molecular, morphological, and bioacoustic evidence are combined to assess species limits within D. parviceps, a widely distributed species in the Amazon Basin. Phylogenetic relationships were assessed using 3040 bp sequences of mitochondrial DNA, genes 12S, ND1, and CO1. The phylogeny shows three well-supported clades. Bioacoustic and morphological divergence is congruent with those clades demonstrating that Dendropsophus parviceps is a species complex...
2018: ZooKeys
Alexander Urbano-Bonilla, Gustavo A Ballen, Guido A Herrera-R, Jhon Zamudio, Edgar E Herrera-Collazos, Carlos DoNascimiento, Saúl Prada-Pedreros, Javier A Maldonado-Ocampo
The Cusiana River sub-basin has been identified as a priority conservation area in the Orinoco region in Colombia due to its high species diversity. This study presents an updated checklist and identification key for fishes of the Cusiana River sub-basin. The checklist was assembled through direct examination of specimens deposited in the main Colombian ichthyological collections. A total of 2020 lots from 167 different localities from the Cusiana River sub-basin were examined and ranged from 153 to 2970 m in elevation...
2018: ZooKeys
Seung Jin Roh, Bong-Woo Lee, Bong-Kyu Byun
The genus Dahlica Enderlein, 1912 is reported for the first time from Korea with two new species: Dahlica (Dahlica) somae Roh & Byun, sp. n. and Dahlica (Dahlica) ochrostigma Roh & Byun, sp. n. Adults and genitalia are illustrated, and DNA barcodes for precise identification of the species are also provided.
2018: ZooKeys
Rachael A Peart, Anne-Nina Lörz
Ampithoidae is a family of marine Amphipoda with approximately 230 species, belonging to 16 genera. The family has a worldwide distribution as algal dwellers. So far only five species are known from New Zealand. Recent collections and examination of historic collection material added two new species, which are described herein. An overview of and a key to the New Zealand Ampithoidae is provided.
2018: ZooKeys
Ji-Hun Song, Niel L Bruce, Gi-Sik Min
The genera Tenupedunculus Schultz, 1982 and Stenobermuda Schultz, 1979 are recorded for the first time from beyond the Southern Ocean, at the Great Barrier Reef, Australia. Tenupedunculus serrulatussp. n. and Stenobermuda waroogasp. n. are described from Heron Island and Lizard Island respectively, both in the Great Barrier Reef. The genus Tenupedunculus is revised and a new diagnosis presented, with Tenupedunculus virginale Schultz, 1982, T. pulchrum (Schultz, 1982), and T. serrulatussp. n. being retained within the genus, and the remaining species here regarded as Stenetriidae incertae sedis (eight species)...
2018: ZooKeys
Willy De Mattia, Marco T Neiber, Klaus Groh
The genus-group Hystricella R. T. Lowe, 1855 is revised on the basis of conchological, anatomical and genetic characteristics. A new genus Wollastoniagen. n., two recent species, W. jessicaesp. n. and W. klausgrohisp. n., and one recent subspecies, W. jessicae monticolassp. n. are described as new to science, as well as five fossil taxa, H. microcarinatasp. n., W. beckmannisp. n., W. falknerorumsp. n., W. ripkenisp. n., and W. inexpectatasp. n. For Helix vermetiformis R. T. Lowe, 1855, H. leacockiana Wollaston, 1878, H...
2018: ZooKeys
Rachael A Peart
Ampeliscidae has been recorded extensively from Icelandic waters by many detailed reports. Material collected from the IceAGE (Icelandic marine animals: Genetics and Ecology) 1 and 2 expeditions has resulted in a reasonably expected collection of ampeliscid amphipod species and distributions. However, as seems to be the trend in amphipod systematics, there are ever-present species complexes. Resulting from this, two species new to the genus Haploops are presented. Additionally, a new species and new record and key of the genus Byblisoides is also presented...
2018: ZooKeys
Traudl Krapp-Schickel
Within the international IceAGE project (Icelandic marine Animals: Genetics and Ecology) some leucothoid amphipods (Crustacea) were collected, among them a rather small new species, belonging to the "Leucothoe spinicarpa-clade."
2018: ZooKeys
Anne Helene S Tandberg, Wim Vader
Amphilochus manudens and Amphilochopsis hamatus are redescribed based on specimens from the BioIce, Mareano, and IceAGE programmes. The new species Amphilochus anoculussp. n. is described based on material from the IceAGE programme and the preceding BioIce programme; it is separated from the closely related Amphilochus manudens by the absence of eyes, a symmetrically bilobed labrum, four setae on the maxilla 2 outer plate, a rounded corner of epimeral plate 3, and a robust seta at the tip of the telson. There are also clear differences in depth and temperature ranges...
2018: ZooKeys
Alan A Myers, Jim K Lowry
A response is given to criticisms in a recent paper of the validity of the amphipod suborder Senticaudata. The tacitly assumed status of truth implied in some molecular higher phylogenies is called in to question.
2018: ZooKeys
Jose Fernandez-Triana
Ten new species within four genera of Microgastrinae parasitoid wasps (Hymenoptera: Braconidae) are described from Canada and United States: Diolcogaster ichiroi, Diolcogaster miamensis, Glyptapanteles pseudotsugae, Microgaster archboldensis, Microgaster syntopic, Microplitis altissimus, Microplitis jorgeluisi, Microplitis juanmanueli, Microplitis julioalbertoi, and Microplitis mariamargaritae. The new taxa are significant because they represent the first North American records of a tropical group (species of the basimacula group in Diolcogaster), exemplify interesting ecological cases (niche-based host selection in Glyptapanteles, syntopic species in Microgaster), and showcase unique morphological features and/or altitudinal records (Microplitis)...
2018: ZooKeys
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