Ponera guangxiensisZhou, 2001 was originally described from Guangxi Province, China, based on workers only. Since then, no further information on this species became available. Recently, we successfully retrieved a complete colony series of P. guangxiensis in the northernmost part of Vietnam, close to Guangxi Province. We herein redescribe the worker of P. guangxiensis and describe the queen, male, pupa, and larvae for the first time. Furthermore, the utility of using male genitalia morphology for discriminating Ponera species is discussed.

A new spider species, Dactylopisthes marginalis sp. nov., is described from Thailand on the basis of a single male. The species seems to be most similar to the East Palaearctic - West Nearctic D. video (Chamberlin & Ivie, 1947), but clearly differs by its unmodified carapace and by a few details of the palp.

Two paratype workers of Brachyponera mesoponeroidesRadchenko, 1993 were examined. As the result, this species disagreed with Brachyponera but well agreed with Hypoponera in some important diagnostic characters separating the two genera: the apicoventral part of metatibia without a small and simple spur in front of a large and pectinate spur; outer basal portion of mandible without the pit or groove; prora present; subpetiolar process as a rounded lobe, lacking a posterior shelf-like process. Therefore, B. mesoponeroides was transferred to the genus Hypoponera as a new combination Hypoponera mesoponeroides. Then the worker of this species was re-described, and the queen was described for the first time based on the paratype workers and nest series newly collected from Cuc Phuong National Park, Ninh Binh province (type locality), Van Lang district, Lang Son province and Na Hang Natural Reserve, Tuyen Quang province, Vietnam. COI-based DNA barcoding was also conducted for examining the species boundaries of Hypoponera mesoponeroides.

We herein report the first record of the Vietnam Flying Frog, Rhacophorus calcaneusSmith, 1924, which is previously known only from Dak Lak and Lam Dong provinces, from Hon Ba Nature Reserve, Khanh Hoa Province, Vietnam. We further describe the larval morphology of the species for the first time, based on a tadpole collection from Hon Ba which was genetically matched with topotypic metamorphosed Rhacophorus and R. calcaneus from Dak Lak Province. Morphological characters of the tadpoles (Gosner stages 32, 36, 37 and 41) are as follows: Body and tail brown with numerous dark spots, ventral surface whitish. Body medium-sized, slightly depressed, elliptical in shape. Eyes of moderate size, located dorsolaterally. In lateral view, spiracle single, sinistral; lower and upper tail fin nearly of same size. Oral disc anteroventrally positioned, of trapezoidal shape and laterally emarginated, surrounded by papillae. Keratodont row formula (LTRF): 7(2–7)/3(1). Larvae are exotrophic, lentic: benthic; larval type after Orton (1953) is type IV.

A new, monotypic genus (Urodepressa gen. nov.) is described from females and males of Urodepressa guatemalaensis sp. nov. collected in Guatemala. The new genus belongs to the family Urodinychidae Berlese, 1917 due to the shape of its gnathosomal appendages, but differs from the other previously described genera in this family by the presence of a large dorsal depression, by the shape of its dorsal and ventral setae and by the unusual hook-like anterior process on the female genital shield.

A new species of Smetanabatrus Yin & Li, S. loebli Yin & Cuccodoro sp. nov., is described and illustrated from West Malaysia, representing the third known member of the genus. Additionally, Smetanabatrus ghecu Yin & Li, originally described from Myanmar, is recorded from a new locality in Thailand. A key to and a distributional map of the three Smetanabatrus species are provided.

The Muséum d'histoire naturelle de Genève contains type specimens of fifty one species of neuropteroid insects; two species of Megaloptera, forty six species of Neuroptera and three species of Raphidioptera. These are listed, the label data and condition of the specimens is presented and the current nomenclatural combination is given.

We describe a new species of the genus Lycodon Boie based on an adult male specimen from Khammouane Province, central Laos. Lycodon banksisp. nov. is distinguished from its congeners by a combination of the following characters: (1) dorsal scales in 17-17-15 rows, dorsal scales on the anterior 2/3 of the body length smooth, the six central dorsal scale rows of the posterior 1/3 of the body length feebly keeled; (2) supralabials 8; (3) infralabials 10; (4) loreal in contact with the eye; (5) cloacal single; (6) ventral scales 241; (7) dorsal surface of body with 87 greyish yellow blotches; (8) ventral surface of body and tail uniformly grey cream. Based on the molecular comparison, Lycodon banksisp. nov. is placed in a clade with other species previously considered to be members of the genus Dinodon. The new species is at least 9% genetically divergent from other species within this clade as shown by a fragment of the mitochondrial cytochrome b. This discovery increases the number of Lycodon species known from Laos to eleven.

A new species of Lepthyphantes (L. rossitsae sp. n.) was discovered while studying spider material collected from caves near Konya, Turkey. The species is described and illustrated and its relationship to the closely related L. leprosus (Ohlert, 1865) are discussed.

Phyxioschema gedrosia sp. nov. is described from a single male collected in Sistan & Baluchistan Province, southeastern Iran. The new species appears most closely related to P. roxanaSchwendinger & Zonstein, 2011 found in Uzbekistan and Tajikistan, from which it clearly differs by the shape of tibia II (angle between article and its ventral spur acute instead of rounded; apical megaspines of spur situated one behind the other instead of side by side) and of metatarsus II (proventral keel subquadrangular instead of triangular). The presence of two additional Phyxioschema populations in southwestern and central Iran is mentioned and the currently known distribution of the genus in Iran is mapped.

Henri de Saussure described 44 species of decapod; these are listed, the location of the type specimens is given where known and the current nomenclatural combination is given. Type specimens of 34 of the species have been identified in the collections of the Muséum d'histoire naturelle de Genève, and label data and the condition of the specimens are reported for each of these.