Abstract
Six new species of the genus Desmopachria Babington, 1841 are described and illustrated from Brazil: D. anauine sp. nov., D. carranca sp. nov., D. francischettii sp. nov., D. nigrasphera sp. nov., D. nigricoxa sp. nov. and D. yanomami sp. nov. Desmopachria varians is redescribed and illustrated from syntypes photos and material identified by Dr. Frank Young. New records for eight other species from Brazilian states are presented here: D. amyae Miller, 2001 has a new record from Minas Gerais State, D. grammosticta Braga & Ferreira‑Jr., 2015 have new records from Minas Gerais and São Paulo States, D. granoides Young, 1986 has a new record from Espirito Santo State, D. laevis Sharp, 1882 have new records from Espírito Santo and Parana States, D. leptophallica Braga & Ferreira‑Jr., 2014 has a new record from Paraná State, D. sioli Young, 1980 has a new record from Minas Gerais State, D. striola Sharp, 1887 have new records from Rio de Janeiro and São Paulo States and D. volatidisca Miller, 2001 has a new record from Paraíba States and an unpublished record of D. challeti Miller, 2001 from Brazil.
Highlights
The genus Desmopachria Babington, 1841 is composed of small beetles, hardly longer than 2.5 mm, found in a variety of aquatic environ‐ ments, including ponds, streams, forest pools, bromeliads and pools of tree holes (Miller, 2005)
The group was intensively worked on by Young (1980, 1981a, 1981b, 1981c, 1986, 1989, 1990a, 1990b, 1993, 1995) and more re‐ cently by Miller (1999, 2001, 2005, 2018), where‐ as the Brazilian species were studied by Braga & Ferreira‐Jr. (2010, 2011, 2014)
Miller (2001) gave a synopsis of the genus, replaced the subgenera and some species groups created by Young (1980, 1981b, 1981c, 1986, 1990b, 1995) with a system of newly defined species groups that, not encompassing all the species, greatly facilitated their identification
Summary
The genus Desmopachria Babington, 1841 is composed of small beetles, hardly longer than 2.5 mm, found in a variety of aquatic environ‐ ments, including ponds, streams, forest pools, bromeliads and pools of tree holes (Miller, 2005). Diagnosis: Large size for genus 2.3‐2.4 mm; head tes‐ taceous, pronotum testaceous with dark brown macula on base (Fig. 2A), each elytron testaceous with diffused dark brown macula on disk (Fig. 2B); male median lobe of aedeagus smaller than lateral lobes and in dorsal view narrowing and apex truncated with a small reentrancy in middle
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