Antigen tests for SARS-CoV-2 show high sensitivity and specificity in cases with high viral loads, and should be used up to five days after the onset of the first symptoms of COVID-19. False positive results may be obtained when screening large populations with a low prevalence of COVID-19 infection, while false negative results may happen due to improper specimen collection or insufficient amount of antigen in the specimen. So as to achieve reliable results, a diagnostic accuracy study of a specific rapid antigen test should be performed.At the down of the third millennium, it is rather misleading to consider the "whole population" as a conceptual entity, whereby the population is actually composed by single individuals, who differ broadly in terms of age, sex, ethnic origin, occupation, health, wellbeing, lifestyle and risk factors. While reaffirming strongly that laboratory medicine shall aim to provide data that could be translated into actionable information on "BOTH" an individual and universal level, we confute and refuse the naive and too simplistic approach that the common beneficence shall always be prioritized over the individual good, since the common good is just the sum of many individual beneficences.Otoba is the third largest genus of Myristicaceae in the Neotropics with 12 species, nine of them native to Colombia. Two new species from the department of Antioquia, O. scottmorii sp. nov. and O. squamosa sp. nov., are described and illustrated. Otoba scottmorii occurs in humid, lowland forests, while O. squamosa occurs in premontane forest. Previously, Otoba scottmorii was confused with O. acuminata (which here is considered restricted to Costa Rica and Panama), while O. squamosa was confused with O. gordoniifolia. The similarities and differences between these and other species are discussed.Four new species of Venturia Schrottky, 1902 (Hymenoptera, Ichneumonidae, Campopleginae) from Oriental China and Nepal are described (V. contiguus sp. check details nov. and V. yunnanensis sp. nov. from China; V. liuae sp. nov. and V. levocarinata sp. nov. from Nepal). In addition, two species are reported from China (V. serpentina Maheshwary, 1977 and V. inclyta (Morley, 1923)) for the first time and all listed species are illustrated. A key to all species from China and Nepal is provided.Twenty species of Libnotes (Laosa) Edwards, 1926 are known worldwide and three are known from China so far. Here, two species of Laosa are added to the Chinese fauna, of which L. (L.) baiyunensissp. nov. is described and illustrated as new to science, and L. (L.) fuscinervis Brunetti, 1912 is newly recorded from China. Morphologically, the new species is most similar to L. (L.) charmosyne (Alexander, 1958) but can be distinguished by the pleura of the thorax, the relative position of the additional cross veins in cell r3 and r5, and the details of the male genitalia. A key to the world species of Laosa is presented.A long tradition of separate Nearctic and Palaearctic taxonomic studies of the diverse aleocharine rove beetles (Coleoptera Staphylinidae) has obscured the recognition of Holarctic species and detection of adventive species in both regions. Recently, integrated study of the two regions through detailed morphological comparisons and development of an authoritatively identified DNA barcode reference library has revealed the degree to which these two aleocharine faunas are interconnected, both naturally and through human activity. Here this approach is adopted to recognize new species, reveal Holarctic species, and recognize adventive species in both North America and Europe. The following new species are described Isoglossa triangularis Klimaszewski, Brunke & Pentinsaari, sp. nov. from British Columbia; Gnypeta impressicollis Klimaszewski, Brunke & Pentinsaari, sp. nov., from Ontario, Maryland and North Carolina; Aloconota pseudogregaria Klimaszewski, Brunke & Pentinsaari, sp. nov., from Ontario and Virginia; aota scopula Casey), currently a subgenus of Acrotona, is therefore synonymized with Mocyta Mulsant & Rey, 1874. Additionally, four new Canadian records and 18 new provincial and state records are reported.Three related genera of Asian Amiseginae, Baeosega Krombein, Nipponosega Kurzenko & Lelej, and Okinawasega Terayama are revised. The male of N. yamanei Kurzenko & Lelej and the female of O. eguchii Terayama are newly described. The following new synonymies are proposed Baeosega humida Krombein, 1984 = B. laticeps Krombein, 1984, syn. nov.; Nipponosega yamanei Kurzenko & Lelej, 1994 = N. kantoensis Nagase, 1995, syn. nov. A new species of Nipponosega, N. lineata sp. nov. is described based on a female from Thailand. A key to genera and species of Baeosega, Nipponosega and Okinawasega is given.Two new crane fly species, Tipula (Vestiplex) gongdangensissp. nov. and T. (V.) dechangensissp. nov. are described and illustrated based on materials collected in the Yunnan and Sichuan provinces, China. A key is provided to distinguish males of the new species from those of other species in the T. (V.) immota Alexander, 1935 species group which is proposed here for the first time.Given the potential interest in targeting Solenocera acuminata in a new deep-sea fishery in the Colombian Caribbean, biological information is needed to support the management of this species. The objective of this study is to provide biological information about size structure, size at sexual maturity, morphometric relationships, abundances and spatial and bathymetric distribution of S. acuminata in the Colombian Caribbean. Specimens of S. acuminata were collected during four deep-sea prospecting surveys in the Colombian Caribbean Sea, which were conducted between Punta Gallinas and the Gulf of Uraba. A total of 87 exploratory fishing trawls were made between 100 and 550 m depth. Sexual dimorphism was evident, with males being smaller than females. The size at sexual maturity of the females was 95.2 mm total length (23.82 mm CL). Relatively high biomass values were found in the northern zone of the Colombian Caribbean, between Santa Marta and Riohacha. In the southern zone, higher biomass was found between Cartagena and Morrosquillo Gulf.