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Redescription of two subterranean amphipods Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position.

Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C - Zookeys (2015)

Bottom Line: Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear.The two species from the Mecsek Mts. are phylogenetically not closely related.Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Hungarian Natural History Museum, Baross u. 13, 1088 Budapest, Hungary ; Doctoral School of Animal-and Agricultural Environmental Sciences, Department of Animal Sciences and Animal Husbandry, Georgikon Faculty, University of Pannonia, Deák Ferenc u. 16, 8360 Keszthely, Hungary.

ABSTRACT
A detailed redescription of two endemic, cave-dwelling niphargid species of the Hungarian Mecsek Mts., Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 is given based on newly collected material. Morphology was studied under light microscopy and with scanning electon microscopy. Morphological descriptions are complemented with mitochondrial cytochrome c oxidase subunit I (COI) sequences as barcodes for both species and with notes on their ecology. Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear. The two species from the Mecsek Mts. are phylogenetically not closely related. Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

No MeSH data available.


Niphargusmolnari, aI = antenna I, aII = antenna II, mxI = maxillaI, mxII = maxilla II, md-R = right mandibula, lm = lacinia mobilis, inc = incisor, md-L = left mandibula, lb = labium, mxpe: maxilliped.
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Figure 5: Niphargusmolnari, aI = antenna I, aII = antenna II, mxI = maxillaI, mxII = maxilla II, md-R = right mandibula, lm = lacinia mobilis, inc = incisor, md-L = left mandibula, lb = labium, mxpe: maxilliped.

Mentions: Antennae and mouthparts. Antenna I 35–48% of body length. Flagellum with up to 19 articles; each article with 1 long aesthetasc. Peduncle article 1: 2: 3 proportions 1.0: 0,78 (0.72–0.88): 0,4 (0.36–0.46). Proximal article of peduncle dorso-distally slightly produced. Accessory flagellum biarticulated; distal article shorter than one-half of the proximal article. Lengths of antennae I: II as 1.0: 0.50. Flagellum of antenna II with 6–8 articles. Lengths of peduncle articles 4: 5 as 1.0: (0.84–0.95); flagellum 54–70% of peduncle length (articles 4 + 5) (Fig. 5).


Redescription of two subterranean amphipods Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position.

Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C - Zookeys (2015)

Niphargusmolnari, aI = antenna I, aII = antenna II, mxI = maxillaI, mxII = maxilla II, md-R = right mandibula, lm = lacinia mobilis, inc = incisor, md-L = left mandibula, lb = labium, mxpe: maxilliped.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4493343&req=5

Figure 5: Niphargusmolnari, aI = antenna I, aII = antenna II, mxI = maxillaI, mxII = maxilla II, md-R = right mandibula, lm = lacinia mobilis, inc = incisor, md-L = left mandibula, lb = labium, mxpe: maxilliped.
Mentions: Antennae and mouthparts. Antenna I 35–48% of body length. Flagellum with up to 19 articles; each article with 1 long aesthetasc. Peduncle article 1: 2: 3 proportions 1.0: 0,78 (0.72–0.88): 0,4 (0.36–0.46). Proximal article of peduncle dorso-distally slightly produced. Accessory flagellum biarticulated; distal article shorter than one-half of the proximal article. Lengths of antennae I: II as 1.0: 0.50. Flagellum of antenna II with 6–8 articles. Lengths of peduncle articles 4: 5 as 1.0: (0.84–0.95); flagellum 54–70% of peduncle length (articles 4 + 5) (Fig. 5).

Bottom Line: Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear.The two species from the Mecsek Mts. are phylogenetically not closely related.Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Hungarian Natural History Museum, Baross u. 13, 1088 Budapest, Hungary ; Doctoral School of Animal-and Agricultural Environmental Sciences, Department of Animal Sciences and Animal Husbandry, Georgikon Faculty, University of Pannonia, Deák Ferenc u. 16, 8360 Keszthely, Hungary.

ABSTRACT
A detailed redescription of two endemic, cave-dwelling niphargid species of the Hungarian Mecsek Mts., Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 is given based on newly collected material. Morphology was studied under light microscopy and with scanning electon microscopy. Morphological descriptions are complemented with mitochondrial cytochrome c oxidase subunit I (COI) sequences as barcodes for both species and with notes on their ecology. Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear. The two species from the Mecsek Mts. are phylogenetically not closely related. Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

No MeSH data available.