The applied entomologist Fritz Peus (1904-1978) built a collection of fleas that was acquired by the Muséum d'histoire naturelle de Genève, Geneva, Switzerland in 1977; it contains type specimens of most of the flea taxa that he described. These type specimens are listed and the current combination given for each. The whereabouts of other type specimens is given where known. Type specimens that other entomologists exchanged with Peus and present in his collection are listed separately.

Despite bats representing one fifth of all mammals, little is known about the ecology and the population status for many species belonging to this order. This is often a consequence of our poor knowledge of population densities and demographic parameters, bats being typically elusive subjects for ecological studies. Capture-mark-recapture studies provide important demographic and ecological data to fill up this information gap. In this study, we monitored animals and gathered data over five years from a reproductive roost of Kuhl's pipistrelle (Pipistrellus kuhlii Kuhl, 1817) located in a Natura 2000 site in north-west Italy. One-hundred-thirty-three individuals were captured and demographic parameters collected, including the annual survival probability for both young and adults, the recapture rates for different sex and age cohorts and the adult population size trend. The influence of environmental variables on the population was also assessed, highlighting the relevant impact of winter temperatures and spring rainfalls on individual survival ability. Notably, our study provides for the first time an estimation of the survival rate of adult females of Kuhl's pipistrelle, a crucial information for future design of studies related to this species' ecology and for informing conservation efforts.

Estimates of species richness and of costs of descriptions are popular, in disregard of their divergences and uncertainty. A review of the Sabah, Malaysia species of Scaphisoma provides hard data that question these estimates and highlight incongruities impacting studies of faunal richness. The present review is based on extensive collections that yielded the following 56 species described below as new: S. adami sp. nov., S. affectuosum sp. nov., S. affluens sp. nov., S. alesi sp. nov., S. alternum sp. nov., S. amicale sp. nov., S. ancoroides sp. nov., S. assingi sp. nov., S. atavum sp. nov., S. bihamatum sp. nov., S. brevistyle sp. nov., S. burckhardti sp. nov., S. caudatulum sp. nov., S. ciampori sp. nov., S. constrictum sp. nov., S. cornutum sp. nov., S. crassum sp. nov., S. cursitor sp. nov., S. danum sp. nov., S. dichroum sp. nov., S. distortum sp. nov., S. ernsti sp. nov., S. immotum sp. nov., S. jankoi sp. nov., S. kalabitoides sp. nov., S. kecil sp. nov., S. keciloides sp. nov., S. klausnitzeri sp. nov., S. lescheni sp. nov., S. majale sp. nov., S. makar sp. nov., S. makkul sp. nov., S. malam sp. nov., S. malaysianum sp. nov., S. mediale sp. nov., S. melas sp. nov., S. memar sp. nov., S. meritum sp. nov., S. mirandoides sp. nov., S. mujur sp. nov., S. newtoni sp. nov., S. obsoletum sp. nov., S. omissum sp. nov., S. onerosum sp. nov., S. oxurum sp. nov., S. pallidulum sp. nov., S. panas sp. nov., S. parakalabitum sp. nov., S. paratrox sp. nov., S. pennatum sp. nov., S. placibile sp. nov., S. ruficoloroides sp. nov., S. setifer sp. nov., S. setigerum sp. nov., S. setosum sp. nov., S. tajam sp. nov., S. wagneri sp. nov. Scaphisoma laminatum Löbl, 1972 is placed in synonymy of Scaphisoma malaccanum (Pic, 1915a). Scaphisoma rufipenne (Pic, 1916b), described from “Borneo” though coming from Banggi Island, is fixed by lectotype designation and is placed in synonymy of S. ruficolle (Pic, 1915b). The species is redescribed. The aedeagus of S. lineatopunctatum (Pic, 1916b) is illustrated for the first time. Fourteen species are reported from Sabah for the first time: S. caudatoides Löbl & Ogawa, 2016, S. chujoi Löbl, 1982, S. complicans Löbl, 1982, S. jacobsoni Löbl, 1975, S. javanum Löbl, 1979, S. luteomaculatum Pic, 1915, S. malaccanum (Pic, 1915), S. malayanum Löbl, 1986, S. mindanaosum Pic, 1926, S. nigrum Löbl, 1986, S. obliquemaculatum Motschulsky, 1863, S. quadrimaculatum Pic, 1922, S. solutum Löbl, 1990, and S. surigaosum (Pic, 1926). A key to the Sabah species of Scaphisoma and a checklist of the Bornean Scaphidiinae are also provided.

Ancystrocerus spatulatus sp. nov. (Pselaphinae: Tmesiphorini) is described and illustrated from Tham Sai Yok Noi, representing the first Ancystrocerus species in Thailand.

The synonymization of three nominal chameleonid species-group taxa with Trioceros ituriensis (Schmidt, 1919) is critically discussed by comparing original texts and figures with the respective type specimens. The first case seems clear since homonymy is involved but in the other two cases, despite recent allocations, the identity of the two nominal species is not unambiguously clear. Morphological differences cast some doubt on the currently accepted synonymy. One diagnostic character of T. ituriensis, the hornlessness and smaller size of the males as compared to the females is discussed in respect to other chameleons with a respective sexual dimorphism in contrast to their closest relatives.

In the original description of the lesser Japanese shrew-mole, Dymecodon pilirostris, by True (1886), its type locality is described as “Yenosima, at the mouth of the Bay of Yeddo, Japan.” Yenoshima is the current Enoshima, a small island located not in Tokyo Bay (the Bay of Yeddo) but in the mouth of Sagami Bay facing the Pacific Ocean, Kanagawa Prefecture, in eastern Honshu, Japan. The type locality has been considered to be doubtful because Enoshima is not included in D. pilirostris' distribution, which mainly consists of rocky terrain in mountainous areas. In this paper, we tried to elucidate the cause of the error of the type locality and the actual type locality based on travels of Edward S. Morse who brought the type specimen to the United States. On the basis of his activities during his first stay in Japan before the relegation of the specimen from the Boston Museum of Natural History to the National Museum of Natural History in 1878, we can see that, on most days, he stayed in Tokyo and its neighboring areas, which lay outside the distribution of D. pilirostris. On the other hand, he once went to collect invertebrates in a location that is included in mountainous area – Nikko, Tochigi Prefecture, eastern Honshu. If he obtained the shrew-mole himself, the type locality is likely not Enoshima but Nikko. Here, we suggest that the type locality of D. pilirostris should be corrected from “Enoshima” to “Nikko”, according to the recommendation 76A.2 in the article 76 of ICZN.

Himachalus pradeshicus gen. et sp. nov. is described from mountainous areas in Himachal Pradesh in northwestern India. The new genus and species is characterized by small body size, long legs and marked sexual dimorphism with an elaborate armament of the pedipalpal tibia and tarsus in the male (absent in the female). The male possesses a stout, dorso-ventrally flattened penis and a spherically inflated basal part of the glans; the distalmost pair of sensorial setae of the glans is situated close to the insertion of the stylus. Related genera cannot be recognized at present, which is certainly due to the nearly complete lack of faunal investigations in the north-western Himalayas west of Nepal and in the Indian Peninsula in general. A brief overview of our knowledge about Himalayan genera of Phalangiidae is presented.

A new plexippine jumping spider species, Colopsus peppara sp. nov., is described from males and females collected in the Agasthyamalai Biosphere Reserve, in the southern part of the Western Ghats of India. The systematic history of the genus Colopsus is presented and its localities in India are mapped as well.

A new species of Argentochiloides Błeszyński is described and illustrated: Argentochiloides mirabilis sp. nov. from the Republic of South Africa. A list of the known species and an image of the holotype of each species are given. Charltona argyrastis Hampson is transferred from Aurotalis Błeszyński to Argentochiloides.

A new species of terrestrial isopod, Porcellio danieli sp. nov., (Oniscidea: Porcellionidae) is described from the southernmost Iberian Peninsula (province of Cádiz, Spain). The new species belongs to the ‘laevis-hoffmannsseggii’ systematic complex, with close affinities with other maghrebian-saharian representatives of the same genus. Their similarities and differences with other species of the group are discussed, and some species found in both southern Spain and northern Africa are listed.

Lederina elongata sp. nov. and L. ovata sp. nov. from Yunnan, China are described and illustrated. The other species known from Mainland China, L. mozolevskayae Nikitsky, 2001, is also illustrated.

A study of a collection of South Indian Scaphidiinae yielded six new species and several interesting records. The following species are described: Scaphisoma boukali sp. nov., S. divali sp. nov., S. holi sp. nov., S. kejvali sp. nov., S. onam sp. nov. and S. pooram sp. nov. Scaphobaeocera stipes Löbl, 1971 is reported from India for the first time. An updated key to identification of South Indian species of Scaphisoma is provided.

The “Valeria” dilutiapicata Filipjev species complex is revised and the new genus Ciboisia gen. n. is established for this enigmatic psaphidine group. Euplexia splendida Sugi, 1958 is transferred to Ciboisia and its taxonomic rank is clarified as a species distinct from C. dilutiapicata. A third species, C. vidlickai sp. n. from China, Shaanxi, is described. The moth and the genitalia of both sexes are illustrated for the three species.

The Myotis nattereri species complex has been the focus of several recent morphological and molecular surveys to assess the species status of various named forms, including three informally referred to as Myotis sp. A, M. sp. B and M. sp. C. The first two forms have now been formally described as distinct biological species, and named M. crypticus and M. zenatius, respectively, both distinct from the nominotypical M. nattereri s. str. and M. escalerai. The latter form, Myotis sp. C is known only from Corsica. Here we demonstrate that this form has not only unique mitochondrial haplotypes but also several nuclear alleles that are divergent and not found anywhere else, which emphasizes its long independent evolution. We therefore confirm its specific status and describe it as a new species. Its ecology and rupicolous roosting habits resemble those of the Iberian M. escalerai, but it is otherwise morphologically most similar to M. crypticus. This new species is endemic to Corsica and is apparently very rare and essentially localised to mountain forests. Owing to its restricted distribution, its small population size, and limited population connectivity, it seems highly vulnerable to climate change and thus should be classified as endangered.

Myotis nattereri représente un complexe d'espèces qui a mobilisé l'attention récente de morphologistes et de généticiens pour définir le statut spécifique de diverses formes, y compris celles informellement connues sous l'appellation de Myotis sp. A, M. sp. B et M. sp. C. Les deux premières formes ont depuis été reconnues comme espèces à part entière et nommées respectivement M. crypticus et M. zenatius; elles diffèrent des espèces nominales M. nattereri au sens strict et M. escalerai. La dernière forme, Myotis sp. C, n'est connue que de Corse. Nous démontrons ici qu'elle possède non seulement des haplotypes mitochondriaux uniques, mais aussi plusieurs allèles nucléaires divergents que l'on ne retrouve nulle part ailleurs et qui démontrent une longue évolution indépendante de ce taxon. Ceci confirme son statut spécifique et nous la décrivons par conséquent comme espèce nouvelle. Son mode de vie et ses affinités rupicoles la rapprochent de l'espèce ibérique M. escalerai, bien que morphologiquement elle soit plus semblable à M. crypticus. Cette nouvelle espèce est endémique de Corse et y est apparemment très rare et presque exclusivement localisée aux régions montagneuses boisées. En raison de sa distribution restreinte, de la petite taille de ses populations, et de la connectivité restreinte de ses populations, elle semble très vulnérable au changement climatique et devrait être classée comme espèce en danger.

The genus Hypenopsis Dyar, 1913 (type species: Hypenodes macula Druce, 1891) is removed from synonymy with Schrankia Hübner, 1825 (Lepidoptera, Erebidae, Hypenodinae) and reinstated as valid. Hypenopsis and its type species H. macula (Druce, 1891) are both redescribed based on the first morphological study of the genitalia of its two syntypes, and a lectotype is designated. Three new species are described based on morphology and supported by COI sequence data: H. calusa J.-F. Landry & B. Landry, sp. nov., H. sonora J.-F. Landry & B. Landry, sp. nov., two North American species long misidentified as ‘Schrankia’ macula, and H. galapagensis B. Landry & J.-F. Landry, sp. nov. from the Galápagos Islands. DNA barcodes support the separation of Hypenopsis from Schrankia in congruence with morphology. Two other species from Panama described in Hypenopsis (H. flualis Schaus, 1916 and H. musalis Schaus, 1916), and later included in Schrankia are illustrated for the first time: the genitalia of their holotypes show that they do not share diagnostic characters of either Schrankia or Hypenopsis, and their COI barcode sequences are distinct from either genus as well as other Hypenodinae genera; they are here regarded as Hypenodinae incertae sedis.

The subgenus Megahadena Ronkay, Varga & Gyulai, 2002 of Eremohadena Ronkay, Varga & Fábián, 1995 is revised and a new species, E. (M.) peterschucherti sp. nov. from Pakistan, Baltistan, is described. The adults and the genitalia of both sexes are illustrated for all three species: E. (M.) rjabovi (Boursin, 1970), E. (M.) megaptera (Boursin, 1970), and the new species.