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Heteroptera: Dipsocoromorpha) from Southern Brazil Irina Morales1 , Nikolas G

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Heteroptera: Dipsocoromorpha) from Southern Brazil Irina Morales1 , Nikolas G Entomological Communications, 2, 2020: ec02016 doi: 10.37486/2675-1305.ec02016 e-ISSN: 2675-1305 Open Access Full Text Article Scientific Note New records of Schizopteridae (Heteroptera: Dipsocoromorpha) from Southern Brazil Irina Morales1 , Nikolas G. Cipola2 1Laboratorio de Entomología, Museo de História Natural “Luis Gonzalo Andrade” Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte, Tunja, BY, Colombia. 2Laboratório de Sistemática e Ecologia de Invertebrados do Solo, Instituto Nacional de Pesquisas da Amazônia – INPA, CPEN. Manaus, AM, Brazil. Corresponding author: [email protected] Edited by: Pedro G. B. S. Dias Received: April 07, 2020. Accepted: June 09, 2020. Published: August 18, 2020. Abstract. Here Schizopteridae is registered for the first time in Paraná State with the record of four species, being one to generic level,Glyptocombus sp. The three nominal species recorded are: Schizoptera (Schizoptera) apicalis Reuter, 1882, Schizoptera (Cantharocoris) reitteri Reuter, 1891, and Ptenidiophyes mirabilis Reuter, 1891, all only recorded from type locality. The Schizopteridae fauna of Brazil is now composed of 22 nominal species in 13 genera, recorded in nine Brazilian states, plus the genus Glyptocombus recorded in the South and Southeast regions of the country. Keywords: Distribution, jumping bug, minute litter bug, Neotropical fauna. The Schizopteridae are minute Heteroptera with 0.8 to 2.0 mm, Zeiss AxioCam Mrc. The specimens are deposited in the “Museu comprising specimens with large eyes, well-developed ovipositor Regional de Entomologia” (UFVB) and “Coleção de Invertebrados do and labium with four segments; or specimens withsmaller eyes and Instituto Nacional de Pesquisas da Amazônia” (INPA). reduced ovipositor (Knyshov et al. 2016; Schuh & Weirauch 2020). The biology of this family is not well known, with some species appearing Subfamily Schizopterinae to be predatory and predominantly found in moist soil and litter in Schizoptera (Schizoptera) apicalis Reuter, 1882 tropical forest regions (Schuh & Weirauch 2020). Because of the cryptic habits and small size of species, these soil bugs have been overlooked Specimens of S. (S.). apicalis can be distinguished by anterior by collectors and poorly studied, mainly in tropical countries cross vein almost at apex of discal cell, well separated from posterior (Wygodzinsky 1947; Emsley 1969; Weirauch 2012). Schizopteridae has cross vein and scutellum with two depressed shining spots, and male two subfamilies (sensu Schuh & Weirauch 2020): Hypselosomatinae subgenital plate with two lateral projections, proximal projection known from the Indo-Pacific, Australian and Neotropical regions; and curved and acute and distal projection square (Fig. 1A). This last Schizopterinae, with a worldwide distribution (McAtee & Malloch characteristic corresponds to drawing of McAtee & Malloch (1925). 1925; Emsley 1969; Weirauch 2012). Currently, Schizopteridae is the In the key of McAtee & Malloch (1925) the species Schizoptera largest family of Dipsocoromorpha, with ~60 genera and about 355 (Schizoptera) flavipes Reuter, 1882 was absent, but it can be excluded described species (Weirauch 2012; Weirauch et al. 2018). However, it from consideration on the basis of anterior cross vein position as in is estimated that there may be about 1,200 species of Schizopteridae Reuter (1891). In Brazil two species of Schizoptera (Schizoptera) have in the world, especially in the Neotropics, where the fauna is poorly been recorded: S. (S) flavipes from Rio de Janeiro State and S. (S.) studied (Weirauch 2012). apicalis (Fig. 1A) from Pernambuco State. The species S. (S.) apicalis is In addition, the taxonomy and distribution of most species are now recorded from Paraná State, Southern Brazil (Tab. 1). poorly unknown (Emsley 1969; Weirauch 2012). In Brazil, for example, Examined material. 3 males and 10 females (UFVB and INPA): for more than 60 years only 11 schizopterid species were recorded from 03.vii.2009, NG Cipola leg. the states of Pernambuco, Rio de Janeiro and Santa Catarina (Emsley 1969). Recently one new genus and species was described from São Schizoptera (Cantharocoris) reitteri Reuter, 1891 Paulo State (Hoey-Chamberlain & Weirauch 2016), one species from Schizoptera (C.) reitteri (Fig. 1B), is recognized by ocelli absent, veins Rio Grande do Sul State (Silveira et al. 2019), and more nine new of fore wing distinctly elevated, clavus long with sutural margin more species for the Brazilian Amazon (Knyshov et al. 2016; Almeida et al. than three times as long as scutellum, no cross vein in forewing near 2019a, 2019b, 2020; Weirauch et al. 2020), raising to 22 species in 13 apex of clavus as in the key of McAtee & Malloch (1925) and Emsley genera recorded in Brazil. The objective of this work is to expand the (1969). This species was previously known only from the type locality, Schizopteridae geographic distribution in Southern Brazil. Santa Catarina State, and is the only species of the subgenus registered The material comes from the State Park “Mata São Francisco” in Brazil. However, the distribution of this species is extended here to (23°09’00”S, 50°34’22”W), located in a fragment of 832.58 hectares of Paraná State (Tab. 1). semi-deciduous forest, between the municipalities of Santa Mariana and Cornélio Procópio, Northern Paraná State, Brazil. The specimens Examined material. 10 males and 18 females (UFVB and INPA): were collected with pitfall trap contain alcohol and extraction of litter 18.iii.2010, NG Cipola leg. first using a sieve, and then the material was heated by incandescent lights under pot, allowing the manual collect of individuals in upper Ptenidiophyes mirabilis Reuter, 1891 margins (see Cipola & Zequi 2011). The images were taken with a The genus is monotypic, with the species P. mirabilis (Fig. 1C) stereomicroscope Zeiss Discovery V20 coupled with a digital camera recognized by color brown, elytrous females, punctate surface of the © The Author(s) 2020. Published by Sociedade Entomológica do Brasil This artiche is published by Sociedade Entomológica do Brasil and licensed under Creative Commons Licence 4.0, CC-BY. Share — copy and redistribute the material in any medium or format. Adapt — remix, transform, and build upon the material for any purpose, even commercially. Entomological Communications, 2, 2020: ec02016 Table 1. Species of Schizopteridae records in Brazil. Species Records in Brazil Reference Hypselosomatinae Glyptocombus sp. PR New record Hypsohapsis amazonica Almeida, Carvalho-Filho & Fernandes, 2019 PA Almeida et al. 2019a Hypsohapsis takiyae Hoey-Chamberlain & Weirauch, 2016 SP Hoey-Chamberlain & Weirauch 2016 Schizopterinae Biturinannus reuteri Wygodzinsky, 1947 RJ Wygodzinsky 1947 Caucanannus novissimis Weirauch, Knyshov & Hoey-Chamberlain AM Weirauch et al. 2020 Chinannus duckensis Knyshov, Leon, Hoey-Chamberlain & Weirauch, 2016 AM Knyshov et al. 2016 Chinannus duopaxillatus Knyshov, Leon, Hoey-Chamberlain & Weirauch, 2016 AM Knyshov et al. 2016 Chinannus parvithecatus Knyshov, Leon, Hoey-Chamberlain & Weirauch, 2016 PA Knyshov et al. 2016 Chinannus schuhi Knyshov, Leon, Hoey-Chamberlain & Weirauch, 2016 AP Knyshov et al. 2016 Ceratocomboides brasiliensis Wygodzinsky, 1951 RJ Wygodzinsky 1951 Corixidea lunigera (Reuter, 1891) PE Wygodzinsky 1951 Hoplonannus bifidus Almeida, Carvalho-Filho, Castro & Fernandes, 2019 PA Almeida et al. 2019b Hoplonannus robustus Almeida, Carvalho-Filho, Castro & Fernandes, 2019 PA Almeida et al. 2019b Hoplonannus australis Silveira & Knyshov, 2019 RS Silveira et al. 2019 Itagunannus itaguaiensis Wygodzinsky, 1948 RJ Wygodzinsky 1948 SC Wygodzinsky 1951 Ptenidiophyes mirabilis Reuter, 1891 PR New record PE Reuter 1882 Schizoptera (Schizoptera) apicalis Reuter, 1882 PR New record Schizoptera (Schizoptera) flavipes Reuter, 1882 RJ Reuter 1882 Schizoptera (Cantharocoris) scymnus McAtee & Malloch,1925 PE McAtee & Malloch 1925 SC Reuter 1891 Schizoptera (Cantharocoris) reitteri Reuter, 1891 PR New record Tropistotrochus ampliatipennis Reuter, 1891 SC Reuter 1891 Voccoroda carioca Wygodzinsky, 1950 RJ Wygodzinsky 1950 Voragocoris weirauchae Almeida, Carvalho-Filho, Knyshov & Fernandes, 2020 PA Almeida et al. 2020 Abbreviations of Brazilian States: AP = Amapá, AM = Amazonas, PA = Pará, PR = Paraná, PE = Pernambuco, RJ = Rio de Janeiro, RS = Rio Grande do Sul, SC = Santa Catarina, SP = São Paulo. thorax, spine-shaped posterior margin of the metepisternum, and the instead is subequal to the intermediate tarsomere. Hill (1980) provided slightly differentiated ventral margin of the scent-gland groove (Štys much morphological data on G. saltator which was noted by Allen & 1975). The species is known from the type locality in Blumenau, Santa Carlton (1989), who also figured the male genitalia. Our specimen Catarina State (Brazil), and Argentina (Reuter 1891; Carpintero et al. from Paraná State does not correspond with any species of the genus 2006). The new record here expands the geographic distribution of this (Weirauch et al. 2018), so it might be one undescribed Glyptocombus species to Paraná State. species. This observation was also made previously for specimens from Examined material. 15 females and 5 males (UFVB): 10.vi.2009, Southeastern Brazil (Wygodzinsky 1960), so the morphology of these specimens needs to be properly compared with other species of genus NG Cipola leg. to elucidate their true identity. Subfamily Hypselosomatinae Examined material. 2 elytrous males (UFVB and INPA): 14.xii.2009,
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