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Two new species of Clypeocaenis (Ephemeroptera Caenidae) are described from Gayathripuzha River, Kerala, and Tunga River, Karnataka, Southern India. The species are best distinguished from congeners based on leg and gill characteristics, as follows. Clypeocaenis gayathri sp. nov. (1) fore tibia with two rows of ventral and lateral filtering setae, femur with bifid spines, middle tibia with trifurcated spines apically; (2) tracheated gill covers with spines and bifurcated ridges on margins, gills III-VI with more numerous fringed bifid fimbriae. Clypeocaenis sharadhae sp. nov. (1) fore tibia with two rows of long filtering setae on lateral margin and one row on ventral margin arranged vertically, fore tarsus with transverse row of long setae, hind tibia with a row of lanceolate setae on lateral margin; (2) gills III-VI approximately triangular shaped, with fringed bifid fimbriae, gill III with 12 bifurcated and 2 trifurcated fimbriae.A new species of the genus Empidideicus, E. https://www.selleckchem.com/products/arn-509.html jirofti Gharali, Mogbeli Fekrat sp. nov., is described from the south of Iran, and diagnostic morphological and genitalic features are photographed. This species is distinguished by the completely dark brown occiput with yellow spot, completely dark brown scutellum, and dark brown mesonotum with two admedian yellow vittae. A key to the Iranian species of the genus is provided.A comprehensive material of Afrotropical Sciophila including 262 male specimens of 15 species collected from 7 countries are studied. Two new species-S. geiri sp. n. and S. tchabalensis sp. n.-are described from Madagascar and Cameroon, respectively. New records of the following 13 species are presented S. digitilenta Søli, 1997 (Uganda), S. fenestralis Søli, 1997 (South Africa), S. kakumensis Søli, 1997 (Cameroon, Uganda), S. kjaerandseni Søli, 1997 (Uganda), S. koundensis Søli, 1997 (Uganda), S. leptosoma Søli, 1997 (Democratic Republic of Congo), S. longistyla Søli, 1997 (South Africa), S. mazumbaiensis Søli, 1997 (Uganda), S. ocreata Philippi, 1865 (France La Réunion), S. papula Søli, 1997 (Democratic Republic of Congo), S. pinniger Søli, 1997 (South Africa, Cameroon, Uganda, Kenya), S. quadra Søli, 1997 (Democratic Republic of Congo), S. stellata Søli, 1997 (Uganda). The majority of the new records represent the first ones since initial description of the species. S. ocreata is considered to be introduced to the Island of La Réunion. The number of Afrotropical Sciophila species is set at 23.The taxonomic position of Pristodactyla advena LeConte, 1848 (= "Acalathus" advena in the sense of previous authors) is discussed in light of a novel review of the morphological characters of Calathina and closely related taxa. All Acalathus Semenov, 1889 species and all other Dolichina share the distinct character state of having the sensory pits of the apical gonocoxites reduced or absent, while these pits are well-developed in P. advena. Therefore, P. advena is moved into the genus Calathus Bonelli, 1810 (Calathina), where it is placed in the molecular phylogeny of Ruiz et al. (2010). This move necessitates the description of Certocalathus subgen. n. for this species. Diagnostic characters of the new subgenus with respect to other Calathina and Dolichina beetles are presented. Given the lack of any clear synapomorphies, the subtribe Calathina is not obviously defined by morphology alone. However, recent molecular phylogenies indicate its monophyly is highly likely and therefore diagnostic morphological characters are polythetic. The states of selected morphological characters in Calathina and Dolichina taxa are provided as a summary for this and future studies.Six species of hermit crabs of the family Paguridae from the Caribbean Sea and Gulf of Mexico region, including two new species, Anisopagurus asteriscus sp. nov. and Pagurus alarius sp. nov., are documented. The two new species are described, and recognition characters summarized for the four previously known species. Reports of the latter, Nematopaguroides fagei Forest de Saint Laurent, 1968, N. karukera Lemaitre, Felder Poupin, 2017, Paguriscus robustus Lemaitre, Felder Poupin, 2017, and Pylopaguridium markhami McLaughlin Lemaitre, 2001, represent range extensions for all four species. Color photographs are included for four of the species, as well as remarks on their taxonomy and distributions. All six species included can be categorized as micro-pagurids (with shield length rarely exceeding 2.0 mm), and were collected from cryptic reef habitats in Bocas del Toro, Panama; the French Antillean island of Guadeloupe; and the Gulf of Mexico coasts of Louisiana, Yucatán, and Florida Keys. The discovery of these new or rare species supports the conclusion of recent studies that the diversity of pagurids from the Caribbean region has yet to be fully realized.Dawidowicz Wesołowska (2016) proposed the jumping spider genus Kakamega for the type species Kakamega holmi Dawidowicz Wesołowska, 2016, probably endemic to the Kakamega Forest of Kenya, a remnant of the Guineo-Congolian tropical rainforest.Frogs of the subfamily Leptodactylinae Werner can be found from southern Texas (USA) to southern Brazil, including the northern Antilles (Frost 2019). This subfamily is composed of 98 recognized species and the genus Leptodactylus Fitzinger contains the largest number of species (74 sp.) (Frost 2019). A study conducted by de Sá et al. (2014) provided a phylogeny of Leptodactylus based on molecular analysis, adult and larval morphology, and behavioral data. Currently, four species groups are recognized within this genus L. fuscus group, L. pentadactylus group, L. latrans group, and L. melanonotus group (de Sá et al. 2014).The female of Sattleria sophiae Timossi, 2014 is identified on the basis of DNA barcoding, described, illustrated and its habitat is discussed.This is the first record of the family Nemestrinidae in the Amazon Basin, based on three females identified as Atriadops macula (Wiedemann, 1824). The specimens were collected in the canopy using flight interception traps. This species was previously known to inhabit understory open areas. The canopy, the new habitat record, is an open area stratum with higher insolation, higher temperature and less humidity. As the adults of A. macula have the mouthparts greatly reduced, they probably do not feed and their occurrence in the canopy probably is more likely related to the distribution of their hosts as well as the environmental factors.