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This paper presents, for the first time, a review of the fauna of spider wasps (Pompilidae) of Uzbekistan. The review includes 132 species and 1 subspecies, 4 species undetermined to species level (sp.), belonging to 28 genera, 8 tribes, and 3 subfamilies recorded within the territory of Uzbekistan. The data are based on published literature and materials collected during 1909-1978, which are preserved in the Entomological Collection of the State Museum of Nature of Uzbekistan. Among these, 9 species are recorded for the first time for the fauna of Uzbekistan, namely: Cryptocheilus (Cryptocheilus) alternatus caspius Gussakovskij, 1952; Priocnemis (Priocnemis) minuta (Vander Linden, 1827); Priocnemis (Umbripennis) gypsochtona Gussakovskij, 1930; Tachyagetes (Tachyagetes) excellens (Haupt,1930); Arachnospila (Ammosphex) trivialis (Dahlbom, 1843); Arachnospila (Arachnospila) binaeva Haupt, 1930; Arachnospila (Arachnospila) rufa (Haupt, 1927); Paracyphononyx pavlovskyi Gussakovskij, 1952; Arachnotheutes rufithorax (Costa, 1882).

Periconia is a polyphyletic and asexual morphic genus within the family Periconiaceae (Pleosporales). The genus is characterized by a pale to dark brown stipe with an apical conidial head and ellipsoidal to oblong conidia. Species of Periconia are widely distributed throughout the world in various hosts, while most species are isolated from graminaceous plants. During our investigations of microfungal in Sichuan Province, China, 26 Periconia isolates were collected from a wide variety of graminaceous plants. These isolates corresponded to 11 species based on the examination of morphology and multi-locus phylogenetic analysis (SSU, ITS, LSU, TEF1, RPB2). This includes six new species (P. chengduensis, P. cynodontis, P. festucae, P. imperatae, P. penniseti, and P. spodiopogonis) and five new records (P. byssoides, P. chimonanthi, P. cookie, P. pseudobyssoides, and P. verrucosa). A comprehensive description and illustrations of the new species are provided and discussed with comparable taxa. These discoveries expand our knowledge of the species diversity of Periconia taxa in graminaceous plants in China.

Pleosporales is the largest fungal order with a worldwide distribution in terrestrial and aquatic environments. During investigations of saprobic fungi associated with mango (Mangifera indica) in Baoshan and Honghe, Yunnan, China, fungal taxa belonging to pleosporales were collected. Morphological examinations and phylogenetic analyses of ITS, LSU, SSU, rpb2 and tef1-α loci were used to identify the fungal taxa. A new genus, Mangifericomes; four new species, namely Mangifericomes hongheensis, Neomassaria hongheensis, Paramonodictys hongheensis, and Paramonodictys yunnanensis; and six new host and country records, namely Byssosphaeria siamensis, Crassiparies quadrisporus, Paradictyoarthrinium aquatica, Phaeoseptum mali, Torula fici, and Vaginatispora amygdali, are introduced. Photoplates, full descriptions, and phylogenetic trees to show the placement of new and known taxa are provided.

Cheilopogon arcticeps (Günther, 1866) is recorded for the first time from the Indian coastal waters. Two specimens of C. arcticeps (158–167 mm SL) were collected from the Petuaghat fishing harbour of Purba Medinipur, West Bengal, India. The present paper reports the species for the first time from Indian waters and thus, the distributional range of the species is extended from Western Pacific Ocean to the Bay of Bengal, Indian Ocean. This paper provides more detailed information on the taxonomy and morphometric of the poorly known species.

Three new species of Gamasomorpha Karsch, 1881 are described: G. bakeri Tong & Hörweg, sp. nov. (♂♀) (Philippines), G. fortdekock Tong & Hörweg, sp. nov. (♂) (Indonesia), and G. jacobsoni Tong & Hörweg, sp. nov. (♂♀) (Indonesia). Additionally, Xestaspis shoushanensis Tong & Li, 2014 is recorded for the first time from Sumatra, Indonesia, and transferred to Gamasomorpha with a new combination established: Gamasomorpha shoushanensis (Tong & Li, 2014), comb. nov. Descriptions, diagnoses and photomicroscopy images are provided.

The current study represents the first records of elusive cardinalfish, Apogon fugax Gon et al., 2020 and twinbar cardinalfish, Apogonichthyoides sialis (Jordan and Thompson, 1914) from the Gujarat coast, northwestern India. During February 2024, regular fishing surveys were conducted to document a bycatch species assemblage. In the course of this study, a total three specimens of A. fugax and a single specimen of A. sialis were procured from Veraval Fishing Harbour, Gujarat, India. Apogon fugax is reported for the first time from Indian waters, while A. sialis is recorded for the first time from northwestern India. Herein, detailed meristic counts, morphometric measurements and the distribution of the species are described.

Metahelotella alatonotata sp. nov. is described from Yunnan, China. Habitus and diagnostic characters of the new species are illustrated. Metahelotella semifulva (Ritsema, 1881) and Metahelotella immaculata (Ritsema, 1891) are newly recorded from China. A distribution map of the genus Metahelotella in Indochina and southwestern China and a taxonomic key to all species are provided.

In this study, twelve terrestrial hysteriaceous saprobic fungi growing on different pieces of dead wood were collected from Yunnan Province, China. All hysteriaceous strains isolated in this study tallied with the general characteristics associated with Rhytidhysteron. Detailed morphological characteristics and combined multigene phylogeny of LSU, ITS, SSU, and TEF showed that the twelve hysteriaceous fungi strains represent four distinct new species, and seven new host or geographical records of Rhytidhysteron. Based on morphological and phylogenetic evidence, the four new species (Rhytidhysteron bannaense sp. nov., R. coffeae sp. nov., R. mengziense sp. nov., and R. yunnanense sp. nov.) expand the number of species of Rhytidhysteron from thirty-three to thirty-seven, while seven new geographical records expand the records of Rhytidhysteron in China from six to thirteen. In addition, 10 new Rhytidhysteron host records are reported for the first time, thus expanding the known hosts for Rhytidhysteron from 52 to 62. Full descriptions, images of the morphology, and phylogenetic analyses to show the position of the Rhytidhysteron taxa are provided. In addition, the present study summarizes the main morphological characteristics, host associations, and locations of this genus.

The genus Ussurohelcon Belokobylskij is recorded for the first time from Vietnam with six new species described and fully illustrated: Ussurohelcon hatinh Long, sp. nov ., U. hagiang Long, sp. nov ., U. mellicentralis Long, sp. nov ., U. mocchau Long & van Achterberg, sp. nov ., U. similis Long, sp. nov . and U. tuyenquang Long, sp. nov . Comparative morphological characters of Ussurohelcon species are discussed and a key to Oriental species is also provided.

Tubeufiaceae, a cosmopolitan family with a worldwide distribution, is mostly reported as saprobic on decaying woody materials from both aquatic and terrestrial habitats. The family is commonly found as helicosporous hyphomycetes, while some are chlamydosporous and phragmosporous. In this study, thirteen helicosporous hyphomycetes were collected from Thailand and China. The phylogenetic analyses of combined ITS, LSU, TEF1-α, and RPB2 sequence data placed them in Dematiohelicomyces, Helicoma, Helicotruncatum, Neohelicosporium, Parahelicomyces, and Tubeufia within Tubeufiaceae. Three new species, Tubeufia cocois, Parahelicomyces chiangmaiensis, and Neohelicosporium bambusicola, one new host record, Tubeufia laxispora, and one new geographic record, T. longihelicospora, are introduced based on both morphological characteristics and phylogenetic analyses. In addition, Dematiohelicomyces helicosporus, Helicoma guttulatum, Helicotruncatum palmigenum, and Tubeufia cylindrothecia are described with detailed descriptions and color photo plates.