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Sunday, September 21st, 2025
| Time | Event | ||||||
| 12:40a | [Botany • 2025] Pleurothallis puyoensis (Orchidaceae: Pleurothallidinae) • A New Species of subsection Macrophyllae-Fasciculatae from eastern Andean slopes of Ecuador
Abstract Pleurothallis puyoensis (Orchidaceae: Pleurothallidinae), a new species from the eastern slopes of Andes of Ecuador in the province of Pastaza is formally described and illustrated, and their relationship to morphologically closely related species is discussed. Keywords: endemics, Pastaza, Pleurothallis cardiostola-P. lilijae complex, Seikes
Pleurothallis puyoensis Criollo, sp. nov. Diagnosis.— Pleurothallis puyoensis is similar to P. lilijae Foldats (1968), but the former new species differs from the later by petals sessile(vs. unguiculate), shorter ovary (2.3–3 mm vs. 5–8 mm long), smaller dorsal sepal (3.3–4 × 3–4.5 mm vs. 7–13 × 7–10 mm), smaller synsepal(4–4.2 × 2.5–3 mm vs. 8–12 × 3.5–5 mm), and lip adnate (vs. erect). Xavier Cornejo and Dayana Criollo-Naula. 2025. Pleurothallis puyoensis (Orchidaceae: Pleurothallidinae): A New Species of subsection Macrophyllae-Fasciculatae from eastern Andean slopes of Ecuador. Journal of the Botanical Research Institute of Texas. 19(2); 89-93. DOI: doi.org/10.17348/jbrit.v19.i2.1400 | ||||||
| 1:02p | [Diplopoda • 2023] Anaulacodesmus panterae & A. picassovallebuonai • Two New Species of Anaulacodesmus Attems, 1898 (Polydesmida: Dalodesmidae) from temperate forest fragments in southern Chile
Abstract Two new endemic species of Anaulacodesmus Attems, 1898, a genus of millipede native to Chile, are described. Anaulacodesmus panterae sp. nov. and Anaulacodesmus picassovallebuonai sp. nov. were discovered in fragments of Valdivian temperate forest in southern Chile. These species can be separated from the rest of the congeners based on their larger size and gonopodal characters. A. panterae from Valdivia (Los Ríos Region), has distally swollen gonopods, a trait it shares with A. dahli Chamberlin, 1957 and a A. enkrates (Attems, 1898). Anaulacodesmus picassovallebuonai sp. nov., from Temuco and Lake Villarrica (La Araucanía Region), is morphologically similar to A. bifidus Golovatch, 2014 with which it shares the bifid structure of the telopodite. Detailed descriptions and character illustrations are provided for both species. Keywords: Diplopoda, millipedes, Neotropics, South America, taxonomy
Antonio Parra-Gómez, Jorge Pérez-Schultheiss, Jackson C. Means and Kaloyan Ivanov. 2023. Two New Species of Anaulacodesmus Attems, 1898 (Polydesmida: Dalodesmidae) from temperate forest fragments in southern Chile. REVISTA CHILENA DE ENTOMOLOGÍA. 49(3); 557-569. DOI: doi.org/10.35249/rche.49.3.23.15 [August 2023] | ||||||
| 2:01p | [Diplopoda • 2025] Pleonaraius spelaeus • Into the Depths of Patagonia: The First Troglobitic Species of Pleonaraius Attems, 1898 (Polydesmida: Dalodesmidae) from Argentina
Abstract A new troglobitic species of Dalodesmidae, Pleonaraius spelaeus n. sp., is described from Rolo Vergara Cave, Neuquén Province, Argentina. This species represents the fourth known troglobitic member of the family, the first troglobitic species of Dalodesmidae recorded in South America, and the first known troglobitic millipede from Argentina. Pleonaraius spelaeus n. sp. is distinguished from its congeners by the absence of cuticular pigmentation and a unique combination of gonopodal characters. Ecological notes, a key, and a distribution map of Pleonaraius species are also provided. Keywords: cave; Diplopoda; key; new species; taxonomy
Pleonaraius spelaeus n. sp. Diagnosis. Based on the gonopodal conformation, the new species differs from its congeners by the following combination of characters: mb simple (vs. bifurcated and complex in P. omalonotus) and directed ventrad at its apex (vs. directed laterad in P. pachyskeles and P. omalonotus). lb simple with apex acuminate (vs. apex suberect in P. pachyskeles). Presence of pr as in P. pachyskeles (vs. absence in P. omalonotus). Etymology. Spelaeus, adjective in the masculine gender. The epithet as a reference to the Latin word spelaeus, meaning “cave”. Distribution. Only known from in Rolo Vergara Cave, municipality of Chos Malal, Neuquén Province, Argentina (Figure 5). Juan Romero-Rincon and Rodrigo Lopes Ferreira. 2025. Into the Depths of Patagonia: The First Troglobitic Species of Pleonaraius Attems, 1898 (Polydesmida, Dalodesmidae) from Argentina. Arthropoda. 3(3), 13. DOI: doi.org/10.3390/arthropoda3030013 [3 September 2025] | ||||||
| 2:01p | [Entomology • 2025] Eversmannia atromarginata, E. spiralis & E. zhangorum • A Taxonomic Review of the Genus Eversmannia Staudinger, 1871 (Lepidoptera: Uraniidae) from China, with Descriptions of Three New Species and Three New Combinations
Abstract Seven species of the genus Eversmannia Staudinger, 1871 are recognized from China. Among them, three species are described as new species: E. atromarginata sp. nov., E. spiralis sp. nov., and E. zhangorum sp. nov. New combinations are proposed for three species: E. bicaudata (Moore, [1868]) comb. nov., E. himala (Butler, 1880), comb. nov., and E. fuscifrons (Warren, 1896), comb. nov. Eversmannia bicaudata and E. fuscifrons are reported for the first time from China. Adults and genitalia are illustrated, and a key for identifying Chinese Eversmannia species is provided. Key words: Epipleminae, key, swallowtail moth, taxonomy
Ming-Xu Han and Hui-Lin Han. 2025. A Taxonomic Review of the Genus Eversmannia Staudinger, 1871 (Lepidoptera, Uraniidae) from China, with Descriptions of Three New Species and Three New Combinations. ZooKeys. 1251: 275-291. DOI: doi.org/10.3897/zookeys.1251.145353 | ||||||
| 2:01p | [Entomology • 2024] Devadatta adii • A New Species of Devadatta (Odonata: Zygoptera: Devadattidae) from Upper Siang District, Arunachal Pradesh, India
Abstract We erect a new species Devadatta adii sp. nov. based on five males and five females collected from Upper Siang District, Arunachal Pradesh, India. The males of the new taxon are unique in terms of having a golden yellow lateral pterothorax, strongly curved cerci and filamentous genital ligula. We also provide illustrations of male thorax and caudal appendages of Devadatta spp. Odonata, Species discovery, new species, taxonomy, India    Dattaprasad SAWANT, Shantanu JOSHI, Ujwala PAWAR, Pratiksha NAIK, Fahim KHAN, Viraj NAWGE and Krushnamegh KUNTE. 2024. Devadatta adii sp. nov. (Odonata: Zygoptera: Devadattidae) from Upper Siang District, Arunachal Pradesh, India. Zootaxa. 5519(4); 571-589. DOI: doi.org/10.11646/zootaxa.5519.4.6 [2024-10-10] | ||||||
| 2:01p | [Crustacea • 2025] Metaplax pristis • A New Species of the Genus Metaplax H. Milne Edwards, 1852 (Decapoda: Brachyura: Varunidae) from Vietnam
Abstract Metaplax H. Milne Edwards, 1852, is a genus in the family Varunidae H. Milne Edwards, 1853, distributed across the Indo-West Pacific, with 10 described species. Among them, Metaplax crenulata (Gerstaecker, 1856) was previously thought to be present in both the Indian Ocean and the western Pacific (Vietnam). However, our study, based on morphological and molecular evidence, indicates that specimens from the Indian Ocean and Vietnam represent distinct species. Since the type locality of M. crenulata is unknown, we conducted comparative analyses of the syntypes alongside specimens from the Indian Ocean and Vietnam. Morphological examinations revealed that the syntypes closely resemble the Indian Ocean specimens, whereas the Vietnamese specimens exhibit clear morphological differences, particularly in the male suborbital cristae and the proportions of the ambulatory legs. Furthermore, cytochrome c oxidase subunit I (COI) sequence analysis showed a 5.8% genetic divergence between the two groups, further confirming that they represent separate species. Based on these findings, we describe the species from Vietnam as new. Crustacea, new species, Metaplax crenulata, Metaplax pristis, morphology, cytochrome c oxidase subunit I (CoI)
Metaplax pristis sp. nov. Etymology. The species is named after Pristis, which is the genus of sawfish. This new species name is derived from the distinctive meri of its ambulatory legs, which have numerous curved spines along the meri margins, resembling the snout of a sawfish.  Jhih-Wei HSU, Hsi-Te SHIH and Xuan Quang NGO. 2025. Description of A New Species of the Genus Metaplax H. Milne Edwards, 1852 (Decapoda: Brachyura: Varunidae) from Vietnam. Zootaxa. 5693(4); 482-500. DOI: doi.org/10.11646/zootaxa.5693.4.2 [2025-09-19] | ||||||
| 2:02p | [Crustacea • 2025] Kasargodia sheebae • A New Genus and Species of Freshwater Crab (Decapoda: Brachyura: Gecarcinucidae) from the central Western Ghats, Kerala, India
Abstract A new genus and species of gecarcinucid freshwater crab, Kasargodia sheebae n. gen., n. sp., is described from the Ranipuram Hill Station in the central Western Ghats, India. This new genus is distinguished from Vanni Bahir & Yeo, 2007 and Travancoriana Bott, 1969 by several key features: the antennal article 4 is elongated, being notably longer than wide (as opposed to quadrate to subrectangular in Vanni and Travancoriana); the suborbital margin is almost smooth (rather than distinctly granular); the terminal and subterminal articles of the male first gonopod are not clearly demarcated by sutures (clearly separated in the other genera); the short male second gonopod (shorter than the male first gonopod) is relatively stout, with a short distal article that is not flagelliform (more slender, elongated, flagelliform distal article in the other genera); and the basal antennal article in the new genus is distinctly elongated, with a constricted median part (subquadrate in Vanni and more similar to the condition in Travancoriana). The relatively stout male second gonopod with a short distal article in Kasargodia n. gen., is an unusual feature, shared with genera such as Barytelphusa Alcock, 1909, Cylindrotelphusa Alcock, 1909, and Barusa Pati & Yeo, 2022. Unlike the new genus, the male first gonopod in these genera have the terminal and subterminal articles clearly demarcated by sutures.   Kasargodia sheebae n. gen., n. sp. Smrithy Raj, Appukuttannair Biju Kumar, Peter K L Ng. 2025. A New Genus and Species of Freshwater Crab (Decapoda: Brachyura: Gecarcinucidae) from the central Western Ghats, Kerala, India. Journal of Crustacean Biology. 45(3); ruaf044. DOI: doi.org/10.1093/jcbiol/ruaf044 [08 August 2025] | ||||||
| 3:32p | [Botany • 2025] Syzygium rubrocarpum (Myrtaceae) • A New Species of Wallacean Syzygium with red-colored globose berries
Abstract Syzygium rubrocarpum, a new species from Sulawesi, is described and illustrated here. This novel species is recognized by its narrowly elliptic or oblong-elliptic to subfalcate leaf shape with 13‒15 lateral veins, cauliflorous cymes on main stem, pink-colored flowers, and red-colored globose berries. Currently, S. rubrocarpum is known to occur in two locations in Southeast Sulawesi (Kendari and Kolaka) and is locally referred to as ruruhi. Indonesia, Malesia, Myrtoideae, Sulawesi, Syzygieae, Eudicots  Syzygium rubrocarpum Irfan MARTIANSYAH, Muhammad Rifqi HARIRI, Arifin Surya Dwipa IRSYAM. 2025. Syzygium rubrocarpum (Myrtaceae): A New Species of Wallacean Syzygium with red-colored globose berries. Phytotaxa. 715(2); 153-158. DOI: doi.org/10.11646/phytotaxa.715.2.5 [2025-08-19] https://itb.ac.id/berita/herbarium-bandu  |
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