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Eight new species of Itauara Müller, 1888 are described based on specimens collected in southeastern Brazil: I. bispinata sp. nov., I. caparao sp. nov., I. cipoensis sp. nov., I. cristata sp. nov., I. holzenthali sp. nov., I. mangaratiba sp. nov., I. robertsonae sp. nov., and I. rupicola sp. nov. In addition, we provided an updated distributional list of species of Itauara, with new records of I. jamesii Robertson & Holzenthal, 2011 and I. lucinda Robertson & Holzenthal, 2011 for Espírito Santo State (Brazil), I. plaumanni (Flint, 1974) for Paraná State (Brazil), and I. tusci Robertson & Holzenthal, 2011 for Minas Gerais State (Brazil). We performed an equal weighted parsimony analysis adding the new species to the dataset provided by Robertson & Holzenthal (2013), with modification of the interpretation of some morphological characters. The genus was recovered as monophyletic, but overall statistic support for clades was weak. Itauara is restricted to South America and has a disjunct distribution, with some species occurring in northern South America and others in southeastern South America. Probably, the diversification of Itauara in South America is related to the connections between the Amazon Forest and the Atlantic Forest through historical events at different times.
The present paper is devoted to the description of three new species of the genus Acanthophorella Antić & Makarov, 2016 from Georgia, western Caucasus: A. devi Antić sp. nov. and A. valerii Antić sp. nov., both presumed troglobionts and each from a single cave, and the epigean A. aurita Antić sp. nov. The troglobiotic Acanthophorella barjadzei Antić & Makarov, 2016 is reported from two additional caves, with further descriptive notes given. Notes on the ecology and localities, and a distribution map for all six species of the genus are presented. A key is given to all members of the Flagellophorella complex. The relationships within the complex and the distribution and troglomorphism in the genus Acanthophorella are briefly discussed.
Panaeolus punjabensis M. Asif, Q. Firdous, A. Izhar, Niazi & Khalid sp. nov. was collected from three different localities (Bahawalnagar, Kasur, and Lahore) in Punjab, Pakistan. Morphological observations and phylogenetic analyses based on nuclear encoded internal transcribed spacers (ITS1-5.8S-ITS2 = ITS) and D1/D2 domain of large subunit (28S) rDNA confirmed the taxonomic distinctness of this species. The new species is potentially hallucinogenic and characterized by a parabolic pileus with a light brown center, broadly fusiform basidiospores, presence of cheilocystidia, pileocystidia, and caulocystidia, and absence of pleurocystidia and clamp connections. The DNA sequences of the species clustered together in a well-supported distinct clade. We present a detailed description, photographs, and line drawings, and elucidate and discuss the phylogenetic position of the new species. Morphological comparisons with phylogenetically and morphologically allied species are discussed.
Taxonomic history and review of the Förster genera of Platygastridae (Hymenoptera: Platygastroidea)
(2023)
Platygastridae is a ʻdark taxonʼ, with many genera and species in dire need of professional attention. The taxonomic impediment is especially severe in the Palearctic Platygastrinae due to the abundance of names with vague concepts. Historical descriptions and their associated type material must be examined and clarified before further revisionary work can occur. Arnold Förster described 18 genera of Platygastridae, most of which represent distinct and recognizable lineages. The present study reviews their taxonomic history, providing diagnostic remarks, English translations, and illustrations of important specimens from the Förster collection in the Natural History Museum Vienna. The collection also includes original exemplar specimens of European species whose types have been lost. Neotypes and lectotypes are designated from this material to improve nomenclatural stability in the group. Neotypes are designated for Amblyaspis forticornis (Nees, 1834), Isocybus grandis (Nees, 1834), Platygaster striolata Nees, 1834, and Trichacis tristis (Nees, 1834). Lectotypes are designated for Leptacis spinigera (Nees, 1834) comb. nov. and for Platygaster corvina Förster, 1861, with Platygaster henkvlugi Buhl, 1996 treated as a junior synonym. Platygaster mutica Nees, 1834 stat. rev., nomen dubium, is transferred from Synopeas.
Detection of morphologically indistinguishable cryptic species implies using an integrative taxonomic approach with a combination of molecular, contemporary morphological, ecological and other relevant analyses. Within a contemporary morphological analysis, two approaches are commonly used in hoverfly taxonomy: a geometric morphometric analysis of the wing and surstyle shape. Here, the importance of the R4+5 vein shape is tested in cryptic species delimitation within four Merodon species groups using linear and semilandmark geometric morphometric analyses. As expected, geometric morphometrics showed a stronger resolution compared to linear morphometrics. Linear morphometrics failed to detect differences related to sexual dimorphism or differences among the species M. pruni and M. obscurus. However, all cryptic species and sexes were separated with high significance based on the R4+5 vein shape. Moreover, obtained results concurred with the landmark-defined wing shape and molecular results published in previous studies. Additionally, combining two characters, the semilandmark R4+5 vein shape and the landmark-defined wing shape, provided more detailed and precise insights into the shape differences. Our results showed that the R4+5 vein shape stands out as an important character in species delimitation of hoverflies where the sinuation of this vein is present. Therefore, it can be beneficial as a single character or in combination with a landmark-based wing shape analysis.
Scelolabes, historically is a monotypic genus of Ocydromiinae (Hybotidae) that for a long time was not studied due to the absence of the type of the type species (Scelolabes bivittatus Philippi), which is probably lost or destroyed. In this context, we propose an updated diagnosis and redescription of the genus, based on specimens identified by experts and in agreement with the original description of Philippi (1865), as well as illustrating male and female terminalia for the first time. This serves as an aid to discuss and corroborate the status of Scelolabes in the Neotropical region as a genus distinct from Hoplopeza. In addition, two new species are described, and an identification key and a distribution map are provided to all the Neotropical species of the genus.
A comprehensive checklist of Habenaria from Chapada dos Veadeiros, State of Goiás, was performed alongside morphologic and molecular phylogenetic studies, revealing three new taxa endemic to this region. A total of 61 taxa (59 species and two varieties) of Habenaria are recorded for Chapada dos Veadeiros, representing a two-fold increase compared to previous lists and comprising one of the greatest diversities of the genus in Brazil. Of this total, four taxa are locally endemic. Habenaria cultellifolia, until recently known only from the type collection, was rediscovered in the region after 127 years without records and represents this species’ only known extant population. Three proposed new taxa of Habenaria (H. minuticalcar J.A.N. Bat. & Bianch. sp. nov., H. proiteana J.A.N. Bat., A.A. Vale & Bianch. sp. nov., and H. lavrensis var. xanthodactyla J.A.N. Bat. & Bianch. var. nov.) are corroborated by molecular phylogenetic analyses based on nuclear and plastid markers. They are described, illustrated, tentatively assessed as threatened, and compared to phylogenetically and morphologically related species. Since some areas of this mountain range have not yet been floristically sampled, additional taxonomic novelties and new records are still expected in the future.
A new species of Strepsiptera of the genus Paraxenos Saunders, 1872 (Xenidae) from the United Arab Emirates is described. It was recorded from the host species Bembix kohli Morice, 1897 and represents the first occurrence of Paraxenos from Bembix Fabricius, 1775 in the Afrotropical region. A detailed redescription of the female cephalothorax of Paraxenos hungaricus (Székessy, 1955) is provided, together with the first description of the male cephalotheca. The holotype of Paraxenos krombeini Kifune & Hirashima, 1987 was redescribed. Additionally, a key for parasites of Bembix among Paraxenos species is provided based on characters of the female cephalothorax and male cephalotheca. The distribution and conservation status of Paraxenos spp. on Bembix are also discussed.
Four new species and one new genus of Lamiinae (Coleoptera: Cerambycidae) are described: Nyssodrysilla humeralis new species (Acanthocinini), from Paraguay; Atrypanius schmidi new species (Acanthocinini), from Paraguay; Chicanatonus hovorei, new genus, new species (Acanthocinini), from Mexico; Euryestola transversa new species (Calliini), from Ecuador. The following new combinations are established: Leiopus convexus Melzer, 1934 is transferred to Hyperplatys Haldeman, 1847; Leiopus floccidus Erichson, 1847 is transferred to Anisopodus White, 1855; Leiopus marcelamonneae Audureau and Demez, 2015 and L. pleuriticus White, 1855 are transferred to Atrypanius Bates, 1864. Leiopus histrionicus Gistel, 1848 is newly synonymized with Eutrypanus dorsalis (Germar, 1823). The formal transference of Leiopus soricinus Fairmaire and Germain, 1859 to Lepturges (Lepturges) Bates, 1863, forgotten in recent catalogs and checklists, is reinforced. Atrypanius marcelamonneae new combination is excluded from the Paraguayan fauna. Euryestola cribrata (Bates, 1881) is newly recorded from Panama. Keys to species of Nyssodrysilla Gilmour, 1962 and Euryestola Breuning, 1940 are provided. The occurrence of Colobothea naevia Bates, 1865 in Ecuador is confirmed. Colobothea olivencia Bates, 1865 is newly recorded from Ecuador and from the Brazilian states of Pará and Ceará; variation in the pubescent pattern on the pronotum of this species is reported. Four new species and one new genus of Lamiinae (Coleoptera: Cerambycidae) are described: Nyssodrysilla humeralis new species (Acanthocinini), from Paraguay; Atrypanius schmidi new species (Acanthocinini), from Paraguay; Chicanatonus hovorei, new genus, new species (Acanthocinini), from Mexico; Euryestola transversa new species (Calliini), from Ecuador. The following new combinations are established: Leiopus convexus Melzer, 1934 is transferred to Hyperplatys Haldeman, 1847; Leiopus floccidus Erichson, 1847 is transferred to Anisopodus White, 1855; Leiopus marcelamonneae Audureau and Demez, 2015 and L. pleuriticus White, 1855 are transferred to Atrypanius Bates, 1864. Leiopus histrionicus Gistel, 1848 is newly synonymized with Eutrypanus dorsalis (Germar, 1823). The formal transference of Leiopus soricinus Fairmaire and Germain, 1859 to Lepturges (Lepturges) Bates, 1863, forgotten in recent catalogs and checklists, is reinforced. Atrypanius marcelamonneae new combination is excluded from the Paraguayan fauna. Euryestola cribrata (Bates, 1881) is newly recorded from Panama. Keys to species of Nyssodrysilla Gilmour, 1962 and Euryestola Breuning, 1940 are provided. The occurrence of Colobothea naevia Bates, 1865 in Ecuador is confirmed. Colobothea olivencia Bates, 1865 is newly recorded from Ecuador and from the Brazilian states of Pará and Ceará; variation in the pubescent pattern on the pronotum of this species is reported.
ZooBank registration. urn:lsid:zoobank.org:pub:7C223856-CC09-4A47-8A52-E4F98C445241
Metafruticicola is a diverse land snail genus inhabiting the north-eastern Mediterranean region from S Albania to Israel. In this study, we describe Metafruticicola kavafis sp. nov., a new species for science from Kasos Island. We also focus on the reproductive system of steno-endemic species and subspecies of the genus from small islands of the Aegean Archipelago, whose anatomy was previously completely unknown. These species are M. crassicosta, M. pieperi, M. coartata gemina and M. nicosiana conciliatrix. For the latter subspecies, only the outlines of the genitalia were previously given. Additionally, we investigated in detail for the first time the genital anatomy of M. nicosiana nicosiana from Cyprus. Hitherto, information on the genital apparatus of this subspecies was based on sparse data derived from sexually immature specimens. These new anatomical data contribute to a plethora of controversies concerning the subgeneric division of Metafruticicola, which was based solely on conchological features and especially the microsculpture of the teleoconch. We suggest that the current subgeneric division of the genus should be abandoned.