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Megatharsis buckleyi Waterhouse, 1891 is newly recorded from Brazil, extending its distributional range beyond Ecuador and Peru. A further new provincial record from Ecuador is presented in detail, and the species’ distribution and habitat is discussed. Color variation within the species, with a possible geographic correlation, is reported here for the first time.
The small libellulid genus Rhodothemis is restricted to Asia and Australia. Two of the four included species were described relatively recently by Lohmann (1984) but much previously documented material was never re-identified and the distribution of species in the Indospecies in the Indo-Australian Archipelago remained poorly known. All material available in the Naturalis Biodiversity Center (RMNH) from the eastern part of the Indo-Australian Archipelago was studied and is here brought on record. Key characters are illustrated and SEM images of the genital ligula are presented.
Localities are documented for the milliped Abacion texense (Loomis, 1837) (Callipodida: Abacionidae) whose distribution forms both the northern and southern ordinal limits in the Western Hemisphere. The westernmost component of Abacion Rafinesque, 1820, A. texense is the only milliped species whose range spans the Mississippi and Pecos rivers and the Rio Grande. Distribution extremes are in Hennepin County (Co.), Minnesota, in the north; Terrell and Potter cos., Texas, in the west; Alcorn Co., Mississippi, in the east; and southwestern Tamaulipas, Mexico, in the south. Occurrences are projected for southeastern South Dakota, northwestern Alabama, and the southwestern periphery of Tennessee. The type series of A. texense consists solely of the male holotype, so a neotype will be needed if this individual is ever lost, because no paratypes were officially designated.
The southern Appalachian millipeds Boraria stricta (Brölemann, 1896) and B. infesta (Chamberlin, 1918) (Diplopoda: Polydesmida: Xystodesmidae) have become established in Westchester Co., New York, and Hartford Co., Connecticut, respectively. Only three individuals are available for the latter, but B. stricta has established a reproducing population in southern New York state. This species is also recorded from Bland Co., Virginia, in the Ridge and Valley Physiographic Province. Boraria profuga (Causey, 1955) comprises two allopatric populations, one in Montgomery Co., Arkansas, and the other in Ouachita Parish, Louisiana. Distributional records and gonopod drawings are presented for these species plus B. deturkiana (Causey, 1942).
Diverse museum diversities
(2018)
'Diversity' has become a lively key word in contemporary museum discourse and practice, with numerous policies and initiatives being conducted under its banner. Achieving 'diversity' is seen as something to be celebrated - a good thing in itself. But quite what 'diversity' refers to is itself heterogeneous, with this only rarely explicitly articulated or even recognised. As such, what exists is a shifting field of diverse diversities, which variously interlink and reinforce each other but which may also mask critical discrepancies, disconnects, incompatibilities and even contrary ambitions.
Im Sommersemester 2021 habe ich an der Universität Mainz ein Seminar zum Thema "Kanon und Diversität" unterrichtet. Ziel war, meinen eigenen Lektüre-Horizont und denjenigen der Studierenden zu erweitern. Auf das Seminarprogramm setzte ich vor allem Gegenwartsliteratur und auch Neuerscheinungen, die ich gerade gelesen oder noch lesen und diskutieren wollte und von denen ich mir eine Erweiterung des Horizonts erhoffte. Kürzere theoretische Texte und literarische Erzählungen wurden als pdf zur Verfügung gestellt, drei Romane sollten ganz gelesen werden, nämlich Fatma Aydemirs "Ellbogen" (2017), Olivia Wenzels "1000 Serpentinen Angst" (2020) und Sharon Dodua Otoos "Adas Raum" (2021).
Diversity and distribution of adeonid bryozoans (Cheilostomata: Adeonidae) in Japanese waters
(2016)
Adeonid bryozoans construct antler-like erect colonies and are common in bryozoan assemblages along the Japanese Pacific coast. The taxonomy of Japanese adeonid species, however, has not been studied since their original descriptions more than 100 years ago. In the present study, adeonid specimens from historical collections and material recently collected along the Japanese coast are examined. Eight adeonid species in two genera were detected, of which Adeonella jahanai sp. nov., Adeonellopsis parvirostrum sp. nov., and Adeonellopsis toyoshioae sp. nov. are described as new species based on the branch width, size and morphology of frontal or suboral avicularia, shape and size of areolar pores, and size of the spiramen. Adeonellopsis arculifera (Canu & Bassler, 1929) is a new record for Japan. Lectotypes for Adeonellopsis japonica (Ortmann, 1890) and Adeonella sparassis (Ortmann, 1890) were selected among Ortmann’s syntypes. Most species of Adeonellopsis around Japan have a southern distribution from Sagami Bay to Okinawa, while A. japonica shows a more northern distribution from Kouchi to Otsuchi. In contrast, Adeonellopsis arculifera was collected only from southwestern Japan. A key to Japanese adeonid species is provided.
This paper provides a taxonomic assessment and distribution details of the species of the genus Ludwigia L. (Onagraceae) for the Paraíba State, Northeastern Brazil. Six species were found: L. erecta (L.) H.Hara, L. helminthorrhiza (Mart.) H.Hara, L. hyssopifolia (G.Don) Exell, L. leptocarpa (Nutt.) H.Hara, L. nervosa (Poir.) H.Hara and L. octovalvis (Jacq.) P.H.Raven. Ludwigia nervosa was recorded for the first time in the studied area. Our taxonomic treatment comprises an identification key to the species. For each species, description, illustrations, taxonomic comments, flowering and fruiting data, geographic distribution map, and the conservation status for the studied area are provided. Among the recorded species, three were classified as "Near Threatened", two as "Vulnerable" and one as "Critically Endangered".
The genus Pleioplectron was first described by Hutton (1896) and included six New Zealand species. This genus has since had three species moved, one each to the genera Pachyrhamma Brunner von Wattenwyl, 1888, Miotopus Hutton, 1898 and Novoplectron Richards, 1958. Here we clarify the status and appearance of Pleioplectron simplex Hutton, 1896 (incl. P. pectinatum Hutton, 1896 syn. nov.) and P. hudsoni Hutton, 1896, as well as P. thomsoni (Chopard, 1923) comb. nov., which is transferred from the genus Weta Chopard, 1923. The genus Weta is newly synonymised with Pleioplectron. We also describe seven new species of Pleioplectron from South Island, New Zealand: P. auratum sp. nov., P. caudatum sp. nov, P. crystallae sp. nov., P. flavicorne sp. nov., P. gubernator sp. nov., P. rodmorrisi sp. nov and P. triquetrum sp. nov. We base these descriptions on morphology using fresh specimens of both male and female adults, and provide support for each with DNA sequence variation (mtDNA, partial COI).
The fauna of Phanaeini of the northeast of Brazil was investigated through fieldwork in the States of Ceará, Maranhão and Piauí, and through study of preserved material from other states. Seven species of Phanaeini are newly recorded from these three states. Of these, two species are also new records for the northeast region: Phanaeus melibaeus Blanchard and an unidentified Dendropaemon Perty species. A total of 13 new state records are given for eight of the 15 species of Phanaeini recorded from the northeast to date, including three new state genus records. A key is provided for identification of all species. Detailed distributional information is presented together with habitat and bait preferences and other ecological data for each species. The diversity and distribution of the tribe in the northeast is discussed in the context of regional biotopes and wider geographic ranges. The fauna is shown to be more diverse than previously believed, containing both endemic and widespread elements occurring in species assemblages that differ according to habitat type and elevation, leading to substantial complementarity of diversity amongst the main biogeographic provinces and biotopes of the region.