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A new monotypic genus of Iassinae Walker, 1870 tribe Hyalojassini Evans, 1972 is proposed based on Guaricicana borgesi gen. et sp. nov. from the states of Paraná and Rio de Janeiro, southern and southeastern Brazil, respectively. Detailed descriptions and illustrations of males and females are provided, as well as comparisons with the presumably more closely related genus, Daveyoungana Blocker & Webb, 1992.
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.
Eleven species of Ctenopelma Holmgren, 1857 are reported from China. Five species are new to science: C. labiatum Sheng, Sun & Li sp. nov., from Ningxia Hui Autonomous Region, C. lii Sheng, Sun & Li sp. nov., from Liaoning province, C. rufofasciatum Sheng, Sun & Li sp. nov., reared from Cephalcia lariciphila (Wachtl, 1898) from Beijing, C. pineatum Sheng, Sun & Li sp. nov., reared from Acantholyda posticalis (Matsumura, 1912) and Cephalcia lariciphila from Beijing and Henan, Shanxi, Shan’xi, Liaoning, Jilin and Heilongjiang provinces, and C. spiraculare Sheng, Sun & Li sp. nov., reared from Cephalcia lariciphila from Henan and Shanxi provinces. One species, C. nigrum Holmgren, 1857, reared from Cephalcia lariciphila in Beijing, is a new record for China. Ctenopelma tomentosum (Desvignes, 1856) was reared from Neurotoma sibirica Gussakovskij, 1935 (new host record) in Liaoning province. A key to species of Ctenopelma known in China is provided.
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.
The Neotropical Distictus Townes, 1966 is diagnosed, redescribed and its species revised. A neotype is designated for the type species, D. tibialis (Brullé, 1846). The genus is characterized mainly by having the body subcylindric; clypeal margin with median tooth; areolet medium-sized, pentagonal, with crossvein 3r-m distinct; first metasomal tergite short and stout, with anterolateral tooth. Distictus aurantium Santos & Aguiar, 2008 is shown to lack some of these character states and is transferred to Mallochia Viereck, 1912. A total of 12 valid species are recognized, ten of which are new: D. apaensis sp. nov., D. ardens sp. nov., D. asterios sp. nov., D. ateles sp. nov., D. caligaris sp. nov., D. commatus sp. nov., D. daelus sp. nov., D. notabilis sp. nov., D. paratibialis sp. nov. and D. terrosus sp. nov. Other valid species are D. tibialis and D. mexicanus Kasparyan & Ruíz-Cancino, 2005. All species are described and illustrated. New distribution records, maps and separate keys for females and males of the species are provided.
The genus Rhaphium Meigen, 1803 is recorded for the first time from mangroves in Hong Kong. Three species are described as new to science: Rhaphium hongkongense sp. nov. and Rhaphium spinulatum sp. nov., both tentatively belonging to the Rhaphium crassipes group sensu Negrobov & Grichanov (2010), and Rhaphium canniccii sp. nov. assigned to a new species group, the Rhaphium micans group. The status of Rhaphium mediocre (Becker, 1922) described from Taiwan and Rhaphium eburnea (Parent, 1926) from Shanghai is discussed. NGS barcodes for the new species are provided.
Revision of the genus Cerapanorpa (Mecoptera: Panorpidae) with descriptions of four new species
(2019)
The genus Cerapanorpa Gao, Ma & Hua, 2016 is taxonomically revised. Cerapanorpa is confirmed to be endemic to the mountain regions in central China. Nineteen species are recognized in the genus, including four new species: Cerapanorpa baimaensis sp. nov., Cerapanorpa xuebaodinga sp. nov., and Cerapanorpa yanggashana sp. nov. from the Minshan Mountains, and Cerapanorpa taizishana sp. nov. from the northeastern margin of the Qinghai-Tibetan Plateau. Six species are transferred from Cerapanorpa back to Panorpa Linnaeus, 1758. An updated key to species is presented.
Neopanorpa van der Weele, 1909 is the second largest genus in Panorpidae, and over 170 Oriental species have been reported hitherto. In this paper, we describe two new species: Neopanorpa luojishana sp. nov. and Neopanorpa xingmini sp. nov. from Southwest China. We also report the first discovery of the male of Neopanorpa ocellaris (Navás, 1908) from Guangxi and Guizhou, China, a species recorded from Sikkim previously. Neopanorpa brevivalvae Chou & Wang, 1988 is synonymized with Neopanorpa lungtaushana Cheng, 1957. In addition, Neopanorpa furcula nom. nov. is proposed for Neopanorpa furcata Zhou, 2005, a junior homonym preoccupied by Neopanorpa furcata (Hardwicke, 1825). The biogeographical implications of some Neopanorpa species are discussed in brief.
Morphological and allozyme analyses suggested the occurrence of a pseudocryptic species in the Lasioglossum villosulum (Kirby, 1802) species complex (Hymenoptera: Halictidae). We analysed the morphology of more than 1500 specimens and the DNA barcode fragment of the cytochrome c oxidase subunit I (COI) of 102 specimens of this species complex from several Palaearctic countries. Our phylogenetic tree reconstructions, based on maximum likelihood and Bayesian inference revealed one clade corresponding to all specimens morphologically identified as Lasioglossum medinai (Vachal, 1895) and one divergent specimen morphologically identified as Lasioglossum berberum (Benoist, 1941). The other specimens, morphologically identified as L. villosulum, aggregated into at least three other lineages in our phylogenetic trees. The tree-based species delineations methods based on the Generalized Mixed Yule Coalescent (GMYC) model and the Bayesian Poisson Tree Process (bPTP) identified five to ten candidate species within the L. villosulum species complex, with L. medinai and L. berberum consistently recognized as separated from all other candidate species. Diagnostic morphological differences were found among L. medinai, L. berberum and the remaining specimens identified as L. villosulum. No diagnostic morphological differences were found to distinguish the different phylogenetic candidate species or lineages found within L. villosulum and L. medinai. Thus, both genetic and morphological approaches support the existence of L. medinai and L. berberum as distinct species from L. villosulum.
Five chrysopetalid species are reported from samples collected at bathyal depths in three NE Atlantic regions: the Bay of Biscay, the Horseshoe Abyssal Plain and the Gulf of Cadiz. Arichlidon reyssi (Katzmann et al., 1974), Dysponetus caecus (Langerhans, 1880) and D. profundus Böggemann, 2009 are free-living forms found mainly on biogenic substrates (e.g., coral and sunken wood). A brief description and taxonomical remarks are given for each of these species and their geographical distributions and habitat records were updated accordingly. Natsushima bifurcata Miura & Laubier, 1990 and Craseoschema thyasiricola gen. et sp. nov. are symbionts inhabiting the mantle cavity of chemosynthesis-based bivalves known from four mud volcanoes from the Gulf of Cadiz. Craseoschema thyasiricola gen. et sp. nov. was found inside a thyasirid bivalve and presents mixed morphological characteristics of free-living and symbiotic forms within Calamyzinae Hartmann-Schröder, 1971. A full description of the new species is given together with DNA sequences of the genes COI, 16S and H3 that were used in a phylogenetic analysis to indicate the position of the new genus within the family.
A cladistic analysis of the genus Atlantodesmus Hoffman, 2000 is presented. With a total of 11 taxa and 30 morphological characters, and under implied weighting (k = 3), two equally most parsimonious trees (length = 58 steps; total fit = 23.150; CI = 0.64; RI = 0.64) recovered the monophyly of the genus. The resulting synapomorphies are: absence of a ventral projection on the post-gonopodal sternites; presence of folds on the dorsal edge of the prefemoral region of the gonopod; and one homoplastic transformation: presence of a cingulum. In addition, Atlantodesmus sierwaldae sp. nov. is described from the state of Minas Gerais, in the Brazilian Cerrado, and a key to the males of the genus is provided.
We examined the type specimens and historical collections holding puzzling Atlantic and Mediterranean material belonging to the genus Schizoretepora Gregory, 1893. We performed a detailed study of the colonial characters and re-describe the resulting species and those that have rarely been found or have poor original descriptions. As a result of this revision, nine species are found in the northeast Atlantic and Mediterranean. Six of them are re-described and illustrated: S. aviculifera (Canu & Bassler, 1930), S. calveti d’Hondt, 1975, S. imperati (Busk, 1884), S. sp. nov.? (= S. imperati sensu O'Donoghue & de Watteville 1939) (in open nomenclature, specimen lacks ovicells), S. pungens (Canu & Bassler, 1928) and S. solanderia (Risso, 1826). For S. dentata (Calvet, 1931), no material remains; furthermore, S. hassi Harmelin, Bitar & Zibrowius, 2007 and S. serratimargo (Hincks, 1886) have recently been described and redescribed, respectively. This new arrangement attains a coherent geographical distribution: S. imperati seems restricted to the eastern Atlantic, S. dentata and S. calveti are deepwater species from Atlantic islands, S. pungens and S. aviculifera dwell on the African coasts of the Western Mediterranean, S. hassi and S. sp. nov.? (=S. imperati sensu O’Donogue & de Wateville 1939) are confined to the Eastern Mediterranean, and S. solanderia and S. serratimargo live on the European coasts of the Mediterranean.
In this study we describe a new species of the click-beetle genus Lacon Laporte, 1838 from the relict Hyrcanian forest in northern Iran. Lacon mertliki sp. nov. is morphologically similar to L. lepidopterus (Panzer, 1801) but differs from the latter in the body coloration and pubescence, the shape of pronotum and scutellar shield, and male and female genitalia. We provide brief data on its ecology as well as an identification key to all Lacon species in Iran. Additionally, we synonymize Lacon nadaii Platia & Németh, 2011 with Lacon unicolor (Candèze, 1874).
Macrostemum is the second largest genus of Macronematinae with about 104 described species distributed in the Neotropical (18), Afrotropical (20), Australasian (7), Palearctic (2), Nearctic (3) and Oriental (54) regions. Despite its great diversity, knowledge about its immature stages is scarce: worldwide, only 7 species (6.7%) have larvae and/or pupae described. From the Neotropics, only one species, Macrostemum ulmeri (Banks, 1913), has described larvae and pupae. The objectives of this study are to describe and illustrate a new species, Macrostemum araca sp. nov., based on adult males and females from Serra do Aracá, Amazonas, Brazil, and the larvae and pupae of M. brasiliense (Fischer, 1970) from an Atlantic Forest fragment in São Paulo state using the metamorphotype method. In addition, this species is recorded for the first time for Minas Gerais state.
During a recent investigation of the benthic macrofauna from coastal lagoons of southern Benin (Ahémé, Nokoué and Porto-Novo lagoons), a new species of the amphipod genus Quadrivisio Stebbing, 1907, Q. laleyei sp. nov. was collected by means of different quantitative and non-quantitative methods (plastic baskets, wooden artificial substrates, uprooted plants and Surber net) in their intertidal macrophyte zone. The new species can be easily distinguished from most of the other species of the genus by the setation of the mandibular palp and telson and a reduced number of articles (4–6) on the accessory flagellum of the first antenna. The new species closely resembles to Q. lutzi (Shoemaker, 1933) but clearly differ by a reduced armature of the urosomites 1 and 2 and by the geographical distribution (Q. lutzi being known only in Central and South America). Ecological data and an updated key to a species in the genus Quadrivisio are provided.
The 'D. bakoue species complex' Rafael, 1984 ('D. montium species group' Da Lage et al., 2007) comprises seven Afrotropical species. Using complete mitochondrial genome sequences and detailed morphological analysis, we revised thephylogenetic relationships between these species including two new ones. We found the 'D. bakoue species complex' to be a junior synonym of the 'D. seguyi species complex' Lachaise, 1971 and its seven species polyphyletic. We thus classified the species into three complexes, the 'D. seguyi species complex' comprises D. seguyi Smart, 1945, D. malagassya Tsacas & Rafael, 1982, D. curta Chassagnard & Tsacas, 1997 and D. chocolata sp. nov., the new 'D. tsacasi species complex' comprises D. tsacasi Bock & Wheeler, 1972 and D. seguyiana Chassagnard & Tsacas, 1997, and the new 'D. vulcana species complex' comprises D. vulcana Graber, 1957 and D. mylenae sp. nov. Drosophila bakoue Tsacas & Lachaise, 1974 could not be assigned to any of the defined complexes. The two new species are endemic to Madagascar and we report the presence of D. seguyi and D. curta in Mayotte and Madagascar, respectively. The results hence represent a significant step towards understanding the diversity and evolution of this species group in Africa and the islands of the Western Indian Ocean.
Ampharete oculicirrata sp. nov. (Annelida: Ampharetidae) is described from samples collected by the Joint Nature Conservation Committee and Marine Scotland Science, in the West Shetland Shelf NCMPA in the NE Atlantic. This species is characterised by a very small body size, thin and slender paleae, twelve thoracic and eleven abdominal uncinigers, presence of eyes both in the prostomium and the pygidium, the latter provided with a pair of long lateral cirri. The external micro-morphology of the new taxon was studied using scanning electron microscopy and compared with species described or reported from the North Atlantic. Two complementary keys to all species of Ampharete in the area are also provided.
The gigas species group of the subgenus Canthidium (Neocanthidium) is defi ned and described. This species group is composed of three described species [C. gigas Balthasar, 1939, Brazilian Atlantic Forest, including intrusions into Cerrado, C. bokermanni (Martínez et al., 1964), Chaco and western Cerrado in Brazil, Bolivia, Paraguay, and Argentina, and C. kelleri (Martínez et al., 1964), Brazilian Cerrado and neighbouring open areas] and three new species: Canthidium stofeli sp. nov. from the western and southern regions of the Brazilian Amazon, Canthidium feeri sp. nov. from French Guiana, and Canthidium ayri sp. nov. from the Brazilian Atlantic Forest. We present descriptions and redescriptions, illustrations, an identifi cation key and comments on the distributions of the species of the gigas group.
A new species of Tethya Lamarck, 1815 is described from a depth of 1000 m on the continental slope of the Great Australian Bight (GAB), southern Australia. The GAB slope was explored as part of systematic benthic surveys to understand unexplored communities in the light of current oil and gas exploration activity in the area. Tethya irisae sp. nov. was present at 1000 m in six of eight longitudinal depth surveys. Three molecular markers were obtained: COI, 28S (D3–D5) and ITS1-5.8S-ITS2. COI and 28S phylogenetic analyses show that the new species fits clearly within the genus Tethya. This is the 28th species of Tethya reported from Australia; it is unusual in that it has a stalk. The presence of a stalk as a morphological character to split genera in this family is questioned. The description of this new species is an opportunity to revisit the molecular phylogeny of the Tethyida Morrow & Cárdenas, 2015 using comprehensive datasets of COI and 28S markers. As in previous analyses, four Tethya clades were retrieved; we discuss the possibility of using external colour to support some of these clades. Despite unclear phylogenetic relationships amongst Tethyidae Gray, 1848 from Australia, our results suggest that tethyid genera Tethytimea Laubenfels, 1936, Tectitethya Sarà, 1994, Laxotethya Sarà & Sarà, 2002, Stellitethya Sarà, 1994, and Xenospongia Gray, 1858 derive from species of Tethya. We show that asters have been secondarily lost at least twice in the Hemiasterellidae Lendenfeld, 1889: in Liosina Thiele, 1899 and a potential new genus from northern Australia. We formally propose the reallocation of Liosina from Dictyonellidae van Soest, Diaz & Pomponi, 1990 to Hemiasterellidae Lendenfeld, 1889.
In the present paper three empidoid fly species new to science are described from the island Sal of the Cabo Verde archipelago. Aphrosylus salensis sp. nov., a marine dolichopodid fly, is found in the splash zone of a rocky sea shore. Crossopalpus salensis sp. nov. (Hybotidae) is recorded from two different sebkhas. Crossopalpus complicatus sp. nov. is reported from an irrigated wasteland. A key to the species of these two genera occurring on Cape Verde is provided. The presence of the morphospecies Tachytrechus tessellatus (Macquart, 1842), a presumed Old World tropical species, is confirmed.