The species of the genus Campyloneurus Szépligeti and Iphiaulax Foerster (Hymenoptera, Braconidae, Braconinae) from China are revised and 32 species are recognized, including 14 new species (Campyloneurus brachyurus sp. nov., C. lasiofacialis sp. nov., C. longitergum sp. nov., C. longitudinalis sp. nov., C. micromacularis sp. nov., C. nigriventris sp. nov., C. promiscuus sp. nov., C. pachypus sp. nov., C. quadraticeps sp. nov., C. robusticella sp. nov., C. rugifacialis sp. nov., C. stigmosus sp. nov., C. tergipunctatus sp. nov. and Iphiaulax longinervis sp. nov.), which are described and fully illustrated. Campyloneurus kirbyi (Cameron, 1905) is reported from China for the first time. A key to taxonomically similar genera, Campyloneurus, Craspedolcus Enderlein, Cyanopterus Haliday, Iphiaulax and Maculibracon Li, van Achterberg Chen), and a key to the Chinese species of the genera Campyloneurus and Iphiaulax are provided.The Natural History Museum, London, houses of one of the largest insect collections in the world including several hundred specimens of the small lacewing family Osmylidae. Herein we provide the complete label information, specimen condition, locality and habitus pictures of the Osmylidae primary types of the Natural History Museum, with some historical information about the specimens.The butterfly fauna of Manipur is poorly known, and a few sporadic studies were carried out decades ago. In this study, butterflies were photographed and/or collected in 80 localities including revisiting of 12 historical localities in the hills and valleys from Manipur state, India. Butterflies were regularly sampled between 2010 and 2019. In the present checklist, we have included both previously published and recently recorded species 798 species belong to six families; Papilionidae (52 sp.), Pieridae (39 sp.), Riodinidae (17 sp.), Lycaenidae (225 sp.), Nymphalidae (270 sp.), and Hesperiidae (195 sp.). Eight species were rediscovered during the study; Byasa latreillei kabrua, Papilio machaon suroia, Lamproptera meges indistincta, Bhutanitis lidderdalii lidderdalii, Lethe kangjupkula, Una usta usta, Arhopala hellenore hellenore and Celaenorrhinus munda maculicornis. Thirty-two species were new records to Manipur; Papilio agestor agestor, Lamproptera curius curius, Appias albina darada, Artogeia erutae montana, Miletus mallus, Flos fulgida fulgida, Cigaritis nipalicus, Rapala rectivitta, Heliophorus kohimensis, H. tamu, Jamides caeruleus, Tarucus venosus, Everes huegelii dipora, Talicada nyseus nyseus, Lestranicus transpectus, Euploea radamanthus radamanthus, Lethe distans, L. dura gammiei, L. latiaris latiaris, L. sura, Neope pulaha, N. yama yama, Zipaetis scylax, Algia fasciata fasciata, Athyma opaline, Pantoporia paraka paraka, Kallima knyvettii, Celaenorrhinus asmara, Hyarotis adrastus praba, Erionota torus, Baoris penicillata chapmani, and Potanthus mingo ajax of which, Miletus mallus was a new record for India. Ninety species are legally protected in schedules (I, II IV) of Indian (Wildlife) Protection Act, 1972.Leptohyphes Eaton is a Panamerican genus with stout nymphs inhabiting mainly mountain streams. In the present work two Leptohyphes species are revalidated Leptohyphes comatus Allen and Leptohyphes myllonotus Allen Roback. Additionally, a new diagnosis for the nymphal stage of Leptohyphes petersi Allen is presented, and its records from Brazil are removed.In the framework of the taxonomic revision of South American Sericini (Coleoptera Scarabaeidae Melolonthinae), we examined the type specimens of the species described by Burmeister (1855) in the genus Astaena Erichson, 1847. A few taxa resulted to not belong to the South American Sericini fauna, either due to different geographical provenience or due to incorrect systematical placement within Sericini. Two new combinations and one new synonymy are proposed Neoserica pubescens (Burmeister, 1855), new combination (= Neoserica subsetosa Ahrens Fabrizi, 2016 121, new synonymy) and Manonychus robustus (Burmeister, 1855), new combination.Sæther (1981) erected the genus Diplosmittia based on a species from Saint Lucia and Saint Vincent in the British West Indies. The genus was revised by Pinho et al. (2009). To date, the genus comprises ten species Diplosmittia harrisoni Sæther, 1981; D. carinata Sæther, 1985; D. recisus Sæther, 1988; D. beluina Andersen, 1996; D. forficata Andersen, 1996; D. plaumanni Pinho, Mendes Andersen, 2009; D. boraceia Pinho, Mendes Andersen, 2009; D. aragua Pinho, Mendes Andersen, 2009; D. cerayma Pinho, Mendes Andersen, 2009; and D. caribensis Wiedenbrug Silva, 2016. Diplosmittia sasai Makarchenko Makarchenko, 2005 was placed as a synonym of Pseudosmittia mathildae Albu, 1968 by Makarchenko Makarchenko (2008). Except for D. carinata from Michigan, U.S.A., all species are Neotropical and mostly recorded from the Caribbean and northern part of South America. During field work in a remote mountainous region in the Brazilian Amazon, a unique new species with the gonostylus split into three parts was collected and is described and figured below. In addition, new records of D. plaumanni are provided.Acuscercus eudaldoleondiazi n. gen et n. sp. from the Eastern slopes of the Colombian Andes is described, a typical long-winged member of the tribe Cocconotini, distinguished by peculiar morphology of male cerci. On the other hand, the Dominican genus Anacaona is moved from Cocconotini to the tribe Copiphorini (Conocephalinae). The status and tribal boundaries of Cocconotini and Eucocconotini are briefly discussed.A new species of Tricorythodes Ulmer (Ephemeroptera Leptohyphidae) from Uruguay is described and illustrated based on nymphs and adults. Tricorythodes biluhue sp. nov. is related to T. arequita Traver, T. mirca Molineri, T. sallesi Dias, Cabette De Sousa, and T. tragoedia Souto, Angeli Salles. Marizomib The adults of these species are similar (share body color patterns formed by irregularly distributed pigments, while nymphs and adults present subapical blackish marks on tibiae). The nymphs of the new species present a spine on the inner margin of superlingua; operculate gills with a clear paler anterolateral area; and fore tarsal claw with 10-13 marginal denticles and with 0-1 + 1 submarginal denticles. This species has a wide distribution in Uruguay and was found in small streams with stony substrate and thick sand. Additional records for T. arequita Traver in Uruguay are also provided.