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Institute
- Institut für Ökologie, Evolution und Diversität (15)
- Senckenbergische Naturforschende Gesellschaft (14)
- Biowissenschaften (11)
- Biodiversität und Klima Forschungszentrum (BiK-F) (8)
- Geowissenschaften (2)
- MPI für Hirnforschung (2)
- Biochemie und Chemie (1)
- Exzellenzcluster Makromolekulare Komplexe (1)
- Geowissenschaften / Geographie (1)
- Kulturwissenschaften (1)
The birdwing butterfly Trogonoptera brookiana (Wallace, 1855) is a well-known conservation icon, yet questions remain about the infraspecific status of regional populations. The eastern Peninsular Malaysian population has been described as the subspecies mollumar d’Abrera, Doggett & Parker, 1976, but its status as a subspecies distinguishable from the taxon trogon (Vollenhoven, 1860) in Sumatra has been disputed. Wing characters and measurements of specimens from the two regions were therefore examined quantitatively using discriminant function and correspondence analyses. Eastern Peninsular specimens differ on average from Sumatran specimens in having more extensive green, especially in the female. This is reflected in many of the measurements and characters analysed. Females from the Peninsula also have a characteristically blacker upperside ground colour in which the outer areas of both wings barely contrast with the black veins and forewing cell. The extent of these differences enables a reliable differentiation of the females of both regions. The magnitude and consistency of differences are comparable to that between other subspecies of undisputed status. Behavioural differences also exist. The name mollumar therefore merits subspecific status. In addition, we consider the male forms walshi Haugum & Low, 1982 and walshoides Haugum & Low, 1982 to be chemically discoloured specimens of trogon rather than biological forms.
Two new species of ants (Hymenoptera: Formicidae) collected from New Caledonia are described and figured based on worker specimens: Leptogenys loarelae Ramage sp. nov. (Ponerinae, Ponerini) and Lioponera neocaledonica Jouault, Ramage & Perrichot sp. nov. (Dorylinae, Cerapachyini). All specimens were collected from the South Province of Grande Terre. These two new species are primarily distinguished from the other New Caledonian relatives by the size and shape of petiole for L. loarelae Ramage sp. nov. and by the presence of dorsolateral margins on the mesosoma for L. neocaledonica Jouault, Ramage & Perrichot sp. nov. Keys to New Caledonian Leptogenys and Lioponera are provided.
This paper is part of a project of studying benthic diatom biodiversity on marine coastal regions of Sweden with focus on rare and less known species. Two new species of Cocconeis Ehrenb. are described from Vrångö, a small island in the west coast of Sweden. Both species were found as epiphytic on the green alga Ulva intestinalis L. Cocconeis magnoareolata Al-Handal, Riaux-Gob., R.Jahn & A.K.Wulff sp. nov. is a small species not exceeding 9 μm in length and characterized by having large subquadrangular areolae on the sternum valve. Cocconeis vrangoensis Al-Handal & Riaux-Gob. sp. nov. appears similar to some taxa of the 'Cocconeis scutellum complex', but differs by its stria density on both valves and variable features of the areola and valvocopula ultrastructure. Detailed descriptions based on light and electron microscopy examination, a comparison with closely related taxa, as well as a description of the habitat of both species are here presented.
Two new nematode species of the genus Tobrilus Andrássy, 1959 from Lake Baikal are described and illustrated. The first species Tobrilus elginus sp. nov. was found in the littoral zone of Maloye More Bays. The second species Tobrilus juliae sp. nov. dwells on bodies of dead sponges Lubomirskia baicalensis (Pallas, 1776). Tobrilus elginus sp. nov. is most similar to T. amabilis Tsalolikhin, 1974 and T. bekmanae Tsalolikhin, 1975. In contrast to the first species it has a shorter body and spicules, longer gubernaculum and a shorter supplements row. Its body is shorter and thinner, tail and supplement row are shorter and the vulva is more posterior as compared to the second species. The body size of Tobrilus juliae sp. nov. is most similar to T. securus Gagarin & Naumova, 2011 and T. saprophagus Naumova & Gagarin, 2017. From the first of these species it differs by the thinner body, shorter tail, comparatively shorter outer labial setae and shorter spicules. It differs from the second species by a thinner body, shorter male tail and shorter labial setae.
Saphenista bartellae Brown, new species (TL: Colorado), and S. powelli Brown, new species (TL: California) (Lepidoptera: Tortricidae), are described and illustrated. Two other western North American species, S. latipunctana (Walsingham, 1879), new combination, and S. dilutana (Walsingham, 1879), new combination, are transferred to Saphenista based on morphology of the genitalia.
Two new species of the leucopholine genera Engertia Dalla Torre, 1913 and Philacelota Heller, 1900 are described. Engertia allolepis sp. nov. from Ambon Island in the Moluccas, Indonesia, can be distinguished from the other species of the genus by the heterogeneous setosity on the elytra as well as by a very robust and arcuate aedeagus. Philacelota leucothea sp. nov. from Luzon Island, Philippines, differs from the other species of Philacelota in the scaled whitish vestiture of the pronotum and elytra, as well as in the unidentate protibiae and in the shape of parameres. The length of the 3rd antennomere is the only reliable character for the separation of the genera Engertia and Philacelota. A revised dichotomous key for identification of males and females of all species of Engertia and Philacelota is given. The genus Philacelota is reported from the Philippines for the first time.
Cave research in Hungary has developed a lot in the last decade. As a part of this progress, enchytraeid specimens were collected from Hungarian caves and were subsequently characterized by comparative morphological and molecular taxonomic analyses. Molecular phylogenetic studies based on ITS, CO1 and H3 sequences and morphological results confirmed that these specimens represented two species new to science. The descriptions of Fridericia baradlana sp. nov. and Fridericia spelaeophila sp. nov. are presented in this paper.
This study was conducted to describe and illustrate two new species of groundwater amphipods from the northern parts of the Zagros Mountains in West Azerbaijan Province, Iran. Mitochondrial (COI) and nuclear (28S rDNA) fragments as well as several morphological traits were used to characterize Niphargus urmiensis sp. nov. and Niphargus fiseri sp. nov. The phylogenetic analyses showed that the nucleotide differences between the recently described species and their close allies are attributed to their distinctiveness. The molecular analysis also introduced that the new species are placed within the clade comprising Iranian species as a sister taxon. The genetic distances between N. urmiensis sp. nov. and N. fiseri sp. nov. are 7.6% and 1.6%, respectively based on the COI and 28S rDNA gene fragments.
Two new species of the genus Lepidocyrtus Bourlet, 1839 from southern China are described here: L. (Acrocyrtus) huizhouensis sp. nov. from Guangdong Province and L. (Setogaster) wanningensis sp. nov. from Hainan Province. Lepidocytus (Acrocyrtus) huizhouensis sp. nov. is the fourth species of the subgenus reported from China and L. (Setogaster) wanningensis sp. nov. is the first report of the subgenus from China.
Two new species of Onciderini Thomson, 1860 (Coleoptera: Cerambycidae: Lamiinae) are described and illustrated: Neocherentes adrianoi Nearns and Monné, from Brazil, and Neocherentes pergeri Nearns and Monné, from Bolivia. The male of Neocherentes dilloniorum Tippmann, 1960 is redescribed and the female is described for the first time. Neocherentes dilloniorum is excluded from the Brazilian fauna. A key to the known species of Neocherentes Tippmann, 1960 is provided.
In this paper we describe two new tardigrade species belonging to the Macrobiotus hufelandi complex: Macrobiotus noongaris sp. nov. from Perth, Australia, and Macrobiotus kamilae sp. nov. from Mussoorie, India. Live specimens extracted from moss samples were used to establish laboratory cultures in order to obtain additional animals and eggs needed for their integrative descriptions. These descriptions are based on traditional morphological and morphometric data collected using both light and scanning electron microscopy, which, at the same time, were associated with DNA sequences of four genetic markers, three nuclear (18S rRNA, 28S rRNA and ITS-2) and one mitochondrial (COI). The use of DNA sequences allowed for a more accurate verification of the taxonomic status of M. noongaris sp. nov. and M. kamilae sp. nov as independent species of the hufelandi group. Although they both exhibit typical inverted goblet-shaped processes, they represent a recently discovered clade, which was thought to group species with modified morphology of egg processes. Thus, this contribution expands the definition of the mentioned clade and constitutes another link that will be helpful for future studies on the evolution of the M. hufelandi complex.
Cylindera (Ifasina) thitarooae Wiesner and Hori, new species, Jansenia phyuae Wiesner and Hori, new species, and the previously unknown male of Jansenia myanmarensis Wiesner, 2004 (Coleoptera: Cicindelidae) are described. Cylindera (I.) thitarooae may be recognized by shape of labrum and aedeagus. Jansenia phyuae may be recognized by its elytral contour and shape of elytral maculation.
The trade in bear parts for medicine and for status is a conservation challenge throughout Asia. The Asiatic black bear (Ursus thibetanus) and the sun bear (Helarctos malayanus) are endemic to this region, and populations are estimated to have declined throughout their ranges due to widespread illegal killing of bears and trade in parts, combined with loss of habitat. Previous studies have indicated that legislation alone is insufficient to prevent illegal hunting and trade, indicating instead a need to address demand for bear parts and products. We conducted mixed-method surveys in Cambodia to understand the key motivators for individuals to consume bear parts, and to understand whether specialised questioning techniques are applicable in this context. Bear part use is illegal in Cambodia and may therefore be considered a sensitive behaviour, in that individuals may be reluctant to admit to it. To counteract possible biases, four specialised questioning techniques were used in this study: randomised response technique (RRT), unmatched count technique (UCT), nominative technique (NT), and false consensus bias (FCB). All four methods serve to shield a respondent’s admittance of a sensitive behaviour from the interviewer. The results presented here show that great variability exists in anonymous methods’ efficacy in certain contexts. However, the results overall indicate that individuals in Cambodia are under-reporting their consumption of bear parts when directly asked, and that the prevalence of bear part use in Cambodia may be as high as 15% of the population, representing a significant conservation challenge.
The taxonomy of Nearctic tiger beetles (Coleoptera: Carabidae: Cicindelinae) is reviewed in light of modern systematics research. Despite decades of published molecular phylogenies, the taxonomic nomenclature has not been formally updated since the 1950s. We generated a maximum likelihood phylogenetic tree based on three mitochondrial gene fragments (16S, COX3 and CytB) to address the placement of Nearctic taxa that were not included in recent studies; these species were historically contained within Cylindera Westwood, 1831, a polyphyletic genus. Here we describe Parvindela Duran and Gough, new genus, and propose 20 new combinations based on a plurality of data, including our topology, prior molecular phylogenetic studies, morphology and ecology: Apterodela unipunctata (Fabricius, 1775) new combination; Brasiella praecisa (Bates, 1890) new combination; Brasiella viridisticta (Bates, 1881) new combination; Cicindela amargosae (Dahl, 1939) new combination; Cicindela senilis (G. Horn, 1866) new combination; Cicindela willistoni (LeConte, 1879) new combination; Eunota californica (Menetries, 1883) new combination; Eunota circumpicta (LaFerte, 1841) new combination; Eunota fulgoris (Casey, 1913) new combination; Eunota gabbii (G. Horn, 1866) new combination; Eunota pamphila (LeConte, 1873) new combination; Eunota praetextata (LeConte, 1854) new combination; Eunota severa (LaFerte, 1841) new combination; Eunota striga (LeConte, 1875) new combination; Parvindela debilis (Bates, 1890) new combination; Parvindela celeripes (LeConte, 1848) new combination; Parvindela cursitans (LeConte, 1860) new combination; Parvindela terricola (Say, 1824) new combination; Parvindela nephelota (Bates, 1882) new combination; Parvindela lunalonga (Schaupp, 1884) new combination.
New data on Odonata of the Preah Sihanouk Province of Cambodia obtained in March 2017 and November 2018 are presented. The presence of Onychargia atrocyana Selys, 1865 in Cambodia is confirmed. Twentyone species are added to the known fauna of the Kbal Chhay Waterfall environs, 19 species to that of Ream Peninsula and 4 to that of Koh Rong Island. The total number of species registered for Kampong Saom Peninsula amounts to 74. The presented data are rather of historical importance since most of the remaining forest has been quickly and irreversibly logged a few months ago. The validity of Gynacantha demeter Ris, 1911 as a species distinct from G. dohrnii Krüger, 1899 is doubted.
Zebrafish
(2019)