@article {200, title = {Zaitzevia tangliangi sp. nov. a new riffle beetle from China (Coleoptera: Elmidae: Macronychini)}, journal = {Zootaxa}, volume = {5061 }, year = {2021}, pages = {591{\textendash}596}, abstract = {

A new riffle beetle of the genus Zaitzevia Champion, 1923, Z. tangliangi\ sp. nov. from Hubei Province, China is described. Habitus and other diagnostic features of the new species are described and illustrated. Habitat information and collection data of the new species are also provided.

}, keywords = {Asian, Central China, Elmid beetle, Houhe Natural Reserve, new species}, doi = {https://doi.org/10.11646/zootaxa.5061.3.12}, author = {R.-X. Jiang and S. Wang} } @article {192, title = {A new minute riffle beetle (Coleoptera: Elmidae: Pagelmis) from the Brazilian Amazon}, journal = {Zootaxa}, volume = {5061}, year = {2021}, pages = {369{\textendash}376}, abstract = {

The monotypic genus Pagelmis Spangler, 1981 was described from six thousand specimens of Pagelmis amazonica Spangler, 1981 collected with blacklight traps in Ecuador. For many years the known distribution of this genus was restricted to its type-locality, and recently it was recorded in Venezuela, Suriname and Brazil (Roraima State). Now, 40 years after the description of the genus, we describe the second Pagelmis species, based on male and female collected in the Amazon forest (Amazonas State, Brazil).With the description of the second species in the genus we provide an emended diagnosis of Pagelmis. Since adults of this genus were previously collected only in light traps, no habitat information was known. We collected adults of the new species in the first- and second-order streams with black, acidic water and sandy streambeds. The main substrates available in these streams were leaves and roots of riparian vegetation.

}, keywords = {aquatic insects, Elminae, emended diagnosis, Neotropical, taxonomy}, doi = {https://doi.org/10.11646/zootaxa.5061.2.9}, author = {T.T.S. Polizei and N. Hamada} } @article {187, title = {Description of larvae of Japanese Macronychini (Coleoptera: Elmidae: Elminae)}, journal = {Zootaxa}, volume = {4859}, year = {2020}, pages = {195{\textendash}227}, abstract = {

Larvae of 15 species of Macronychini, subfamily Elminae, belonging to the genera Sinonychus J\äch \& Boukal, Paramacronychus Nomura, Zaitzeviaria Nomura, Zaitzevia Champion, and Urumaelmis Sat\ô were described based on scanning electron microscope (SEM) observation. Larvae of eleven of these species, S. tsujunensis Yoshitomi \& Nakajima, Zaitzeviaria gotoi (Nomura), Zaitzeviaria brevis (Nomura), Zaitzeviaria kuriharai Kamite, Ogata \& Sat\ô, Zaitzevia elongata Nomura, Zaitzevia aritai Sat\ô, Zaitzevia yaeyamana Sat\ô, Zaitzevia awana (Kôno), Zaitzevia nitida Nomura, Zaitzevia tsushimana Nomura, and U. uenoi (Nomura) are described for the first time.

}, keywords = {aquatic beetle, Byrrhoidea, Dryopoidea, immature stage, Oriental Region, Palaearctic Region, riffle beetle}, author = {M. Hayashi and Y. Kamite} } @article {166, title = {Two new species of the genus Zaitzevia Champion, 1923 from China (Coleoptera: Elmidae: Macronychini)}, journal = {Zootaxa}, volume = {4852}, year = {2020}, pages = {231{\textendash}238}, abstract = {

Two new riffle beetles of the genus Zaitzevia Champion, 1923: Z. chenzhitengi sp. nov. from Sichuan Province and Z. xiongzichuni sp. nov. from Yunnan Province are described from China. Habitus and other diagnostic features of the new species are described and illustrated. Habitat information and collection data of the new species are also provided.

}, keywords = {China, Elmidae, Macronychini, new species, Sichuan Province}, doi = {https://doi.org/10.11646/zootaxa.4852.2.8}, author = {R.-X. Jiang and S. Wang} } @article {165, title = {Hexacylloepus Hinton, 1940 rises again; 18 new species of a neglected genus (Coleoptera: Byrrhoidea: Elmidae)}, journal = {Zootaxa}, volume = {4819}, year = {2020}, pages = {006{\textendash}048}, abstract = {

The genus Hexacylloepus extends from the Neotropical region to the southwestern United States of America. At present, 25 species are known from 20 countries, with no new species proposed since 1972. In this paper, we describe and illustrate 18 new species (H. barrae; H. calori; H. casariae; H. froehlichi; H. geiseri; H. grandis; H. iassu; H. keitai; H. maierae; H. manauara; H. metapa; H. phalluspilosus; H. shorti; H. taylorae; H. thoracica; H. tibialis; H. ubirajarai; H. zaninii), from eight countries and give the first records of the genus from Suriname and Guyana.

}, keywords = {aquatic beetles, morphology, Neotropical, riffle beetles, taxonomy}, doi = {https://doi.org/10.11646/zootaxa.4819.1.2}, author = {T.T.S. Polizei and M.V.L. Barclay and P.d.C. Bispo} } @article {164, title = {The Neotropical genus Portelmis Sanderson, 1953 (Coleoptera: Elmidae): three new species, new records and updated key}, journal = {Zootaxa}, volume = {4810}, year = {2020}, pages = {452{\textendash}467}, abstract = {

Elmidae is one of the most diverse families of aquatic beetles, with more than 1500 species in 151 genera. The Neotropical genus Portelmis formerly comprised five species known from Central and northern South America, divided into two species groups. Three new Brazilian species from the nevermanni group are described and illustrated here: Portelmis vanini sp. nov., Portelmis krolowi sp. nov. and Portelmis fusariae sp. nov. New species records for the North, Central-West and Southeast of Brazil are presented.We also provide first SEM images and an updated key for Portelmis species.

}, keywords = {aquatic insects, riffle beetles, South America, taxonomy}, doi = {https://doi.org/10.11646/zootaxa.4810.3.3}, author = {T.T.S. Polizei and A.S. Fernandes} } @article {159, title = {A new species of the genus Graphelmis DEL{\`E}VE, 1968 from China (Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {4728}, year = {2020}, pages = {483{\textendash}488}, abstract = {

Graphelmis dulongensis sp. nov. is described from Yunnan, China. Photos of habitus and male genitalia are given.

}, keywords = {China, new species, riffle beetles, taxonomy, Yunnan}, doi = {https://doi.org/10.11646/zootaxa.4728.4.7}, author = {X. Dong and D. Bian} } @article {158, title = {A new species of Macrelmis Motschulsky, 1859 (Coleoptera: Elmidae) and new records of Elmidae from Roraima State, northern Brazil}, journal = {Zootaxa}, volume = {4718}, year = {2020}, pages = {277{\textendash}284}, abstract = {

A new species of Macrelmis Motschulsky, 1859 (Macrelmis rodrigoi sp. nov.) is described and illustrated based on specimens found in mountainous areas of the northern Roraima State, Brazil. Pagelmis amazonica Spangler, 1981, Potamophilops bostrychophallus Maier, 2013 and Stegoelmis geayi Spangler, 1990 are recorded in Brazil for the first time and new records for Gyrelmis obesa Hinton, 1940, Macrelmis thorpei Hinton, 1945 and Neolimnius palpalis Hinton, 1939 are presented.

}, keywords = {aquatic insects, entomology, rifle beetles, South America, taxonomy}, doi = {https://doi.org/10.11646/zootaxa.4718.2.9}, author = {M.d.L.S.d. Almeida and A.S. Fernandes and R. Boldrini} } @article {157, title = {Ictelmis, a new riffle beetle genus from Ecuador (Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {4695}, year = {2019}, pages = {483{\textendash}491}, abstract = {

A new minute riffle beetle genus Ictelmis gen. nov. and the type species Ictelmis martae sp. nov. are described from Ecuador. The description is supported by characteristic morphological features and DNA barcoding data, drawings and habitus photographs are provided. Based on molecular data and morphology it is suggested that Ictelmis is closely related with Onychelmis Hinton, and Notelmis Hinton.

}, keywords = {DNA barcoding, Elminae, Ictelmis, South America}, doi = {https://doi.org/10.11646/zootaxa.4695.5.5}, author = {F. {\v C}iampor Jr and M. Linsk{\'y} and Z. {\v C}iamporov{\'a}-Za{\v t}ovi{\v c}ov{\'a}} } @article {155, title = {First records of the genera Neocylloepus and Pilielmis (Coleoptera: Elmidae: Elminae) from Venezuela, with the description of Pilielmis shepardi sp. nov.}, journal = {Zootaxa}, volume = {4688}, year = {2019}, pages = {282{\textendash}288}, abstract = {

Neocylloepus Brown, 1970 and Pilielmis Hinton, 1971 are Neotropical genera of riffle beetles, mainly distributed in Central America and the north of South America. These genera are here reported for the first time from Venezuela, and a new species, Pilielmis shepardi sp. nov. is described and illustrated. The type material is housed in Museu de Zoologia da Universidade de S\ão Paulo, S\ão Paulo, Brazil (MZSP), Natural History Museum, London, UK (BMNH), Museo del Instituto de Zoolog\ía Agr\ícola, Maracay, Venezuela (MIZA), Michael A. Ivie Collection, Bozeman, Montana, USA (MAIC), and National Museum of Natural History, Smithsonian Institution, Washington DC, USA (USNM).

}, keywords = {aquatic beetles, Neotropical, riffle beetles, South America}, doi = {https://doi.org/10.11646/zootaxa.4688.2.8}, author = {T.T.S. Polizei and M.V.L. Barclay} } @article {153, title = {The genus Cylloepus Erichson, 1847 (Coleoptera: Elmidae: Elminae) new species and combinations}, journal = {Zootaxa}, volume = {4652}, year = {2019}, pages = {93{\textendash}100}, abstract = {

Elmidae is one of the most diverse families of aquatic beetles, with more than 1500 species in 148 genera. Cylloepus is the genus with the most species in Americas, with 52 species and 2 subspecies currently known. The genus is easily recognised by external morphology; body elongate, pronotum with a longitudinal impression on the disc and elytra striate and punctate. In this paper, based on the study of several international reference collections, we propose two new combinations, and describe two new species of Cylloepus (C. bispoi sp. nov. and C. segurae sp. nov.) from Ecuador and Bolivia.

}, keywords = {aquatic beetles, Neotropical region, riffle beetles, South America, taxonomy}, doi = {https://doi.org/10.11646/zootaxa.4652.1.3}, author = {T.T.S. Polizei and M.V.L. Barclay} } @article {151, title = {Revision of the species Grouvellinus Champion, 1923 (Coleoptera: Elmidae) with long median pronotal carina, including descriptions of four new species from China}, journal = {Zootaxa}, volume = {4586}, year = {2019}, pages = {127{\textendash}140}, abstract = {

Four new species of Grouvellinus Champion, 1923 with very long median pronotal carina are described from China: G. hongkongensis sp. nov. (Guangdong, Guangxi, Hong Kong), G. longiusculus sp. nov. (Jiangxi), G. mediocarinatus sp. nov. (Fujian, Guangdong), and G. robustus sp. nov. (Anhui). These species are obviously closely related to G. bishopi\ J\äch, 1984 described from Malaysia (Selangor). The latter is here recorded for the first time from Kedah and Perak (Malaysia). Habitus photographs, detailed line drawings of the male genitalia, as well as a key to the males of the species of Grouvellinus with very long median pronotal carina are provided.

}, keywords = {Anhui, China, Fujian, Guangdong, Guangxi, Hong Kong, Insecta, Jiangxi, new species, riffle beetles}, doi = {https://doi.org/10.11646/zootaxa.4586.1.6}, author = {D. Bian and M.A. J{\"a}ch} } @article {133, title = {Larvae of Ancyronyx Erichson, 1847 (Insecta: Coleoptera: Elmidae) from Sulawesi, using DNA sequences for the assignment of the larval stages}, journal = {Zootaxa}, volume = {4299}, year = {2017}, pages = {121{\textendash}130}, abstract = {

We describe the immature stages of six Ancyronyx (Spider Riffle Beetles) species from Sulawesi: A. henningi Freitag \& Kodada, 2017; A. longiparamerus Freitag \& Kodada, 2017; A. skalei Freitag \& Kodada, 2017; A. schoedli Freitag \& Kodada, 2017; A. tobada Freitag \& Kodada, 2017 and A. toraja Freitag \& Kodada, 2017. The larvae were assigned to adults by comparison of their Cox1 gene fragment (mtDNA) which was amplified, sequenced and aligned with the corresponding locus of identified adults. The larvae are illustrated with habitus photographs and SEM micrographs.

}, keywords = {Ancyronyx, DNA-taxonomy, Elmidae, larval stage, Sulawes}, author = {H. Freitag and J. Kodada} } @article {84, title = {Elachistelmis gen. n. (Coleoptera: Elmidae: Elminae) from Suriname, with description of two new species}, journal = {Zootaxa}, volume = {3500}, year = {2012}, pages = {61-69}, abstract = {

Elachistelmis gen. n. is described for two new species of riffle beetle, E. tetramera sp. n., and E. sipaliwiniensis sp. n. from southwestern Suriname. This new genus can be distinguished from all other elmid genera by its small size (ca. 1.0\–1.2 mm), pronotum with sublateral carinae and lacking depressions, and the presence of a narrow band of plastron setae on the lateral edge of each elytron. Elachistelmis tetramera sp. n. is among the smallest recorded Elmini and possesses many characters associated with miniaturization, such as reduced tarsal formula and feathery wings with reduced venation. A key to species, scanning electron micrographs, and illustrations of the male genitalia are provided.

}, keywords = {Aquatic insect, miniaturization, Neotropical region, riffle beetle}, author = {C.A. Maier} } @article {67, title = {The genus Portelmis Sanderson, 1953 (Coleoptera: Elmidae: Elminae): first report in Brazil, description of two new Amazonian species and species key for males}, journal = {Zootaxa}, volume = {2517}, year = {2010}, pages = {33-43}, abstract = {

The genus Portelmis Sanderson, 1953 and the species P. gurneyi Spangler, 1980 are reported for the first time in Brazil. Portelmis kinonatilis sp. nov. and P. paulicruzi sp. nov. are described and illustrated based on adult specimens collected in two different municipalities in the state of Amazonas, Brazil. Diagnoses and illustrations of all Portelmis species, and a taxonomic key to identify males are presented.

}, keywords = {aquatic insects, kinon, Neotropics, Portelmis, riffle beetle, taxonomy}, author = {A.S. Fernandes and M.I.S. Passos and N. Hamada} } @article {66, title = {Two new species of Austrolimnius Carter \& Zeck (Insecta: Coleoptera: Elmidae) from Southeastern Brazil}, journal = {Zootaxa}, volume = {3389}, year = {2012}, pages = {14-24}, abstract = {

The genus Austrolimnius Carter \& Zeck has its greatest known diversity in Oceania, but its fauna in the Americas is poorly known. In this paper, two new species\—Austrolimnius uncatus sp. nov. and A. bocainensis sp. nov.\—are described and illustrated based on adult specimens collected at Serra da Bocaina National Park, S\ão Jos\é do Barreiro Municipality, S\ão Paulo State, and Nova Friburgo Municipality, Rio de Janeiro State, Brazil. Austrolimnius uncatus sp. nov. is characterized by the long setae on the mesotarsus, the medial expansion of the hind tibiae, and the hook-like shape of the male genitalia. Austrolimnius bocainensis sp. nov. can be recognized by the absence of setae on the mid-tarsus, the cylindrical hind tibiae, and the slightly curved genitalia with few setae. A pictorial key for the Brazilian species of the genus is given. New records of Brazilian species of the genus are reported.

}, keywords = {aquatic insects, Atlantic forest, Elminae, taxonomy}, author = {G.S. Miranda and B.H.L. Sampaio and M.I.S. Passos} } @article {63, title = {Two new species of Cuspidevia J{\"a}ch \& Boukal, 1995 from China (Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {2663}, year = {2010}, pages = {53-58}, abstract = {

Two new species of the genus Cuspidevia J\äch \& Boukal, 1995 (Macronychini) are reported from Jiangxi Province,
China: Cuspidevia brevis sp. nov., Cuspidevia jaechi sp. nov. Descriptions, diagnoses, illustrations and a key to
Cuspidevia are given.

}, keywords = {China, Cuspidevia, Macronychini, new species, taxonomy}, author = {D. Bian and L. Ji} } @article {60, title = {Austrelmis Brown (Coleoptera: Byrrhoidea: Elmidae) from Argentina: five new species}, journal = {Zootaxa}, volume = {4058}, year = {2015}, pages = {403-416}, doi = {http://dx.doi.org/10.11646/zootaxa.4058.3.7}, author = {V. Manzo and M. Archangelsky} } @article {52, title = {First record of Ancyronyx Erichson (Coleoptera: Elmidae) from China, with description of a new species}, journal = {Zootaxa}, volume = {3255}, year = {2012}, pages = {57{\textendash}61}, abstract = {

Ancyronyx Erichson is recorded from China for the first time and a new species, Ancyronyx yunju sp. nov., is described from Jiangxi Province, China.

}, keywords = {Ancyronyx, China, Coleoptera, Elmidae, new species}, author = {D. Bian and C. Guo and L. Ji} } @article {47, title = {Ancyronyx jaechi sp.n. from Sri Lanka, the first record of the genus Ancyronyx Erichson, 1847 (Insecta: Coleoptera: Elmidae) from the Indian Subcontinent, and a world checklist of species}, journal = {Zootaxa}, volume = {3382}, year = {2012}, pages = {59-65}, chapter = {59}, author = {H. Freitag} } @article {45, title = {The genus Ancyronyx Erichson, 1847 (Coleoptera, Elmidae) in Palawan and Busuanga, (Philippines) with descriptions of six new species}, journal = {Zootaxa}, volume = {1590}, year = {2007}, pages = {37-59}, abstract = {

The species of the elmid genus Ancyronyx Erichson from the Philippine islands of Palawan and Busuanga are revised. Six new species are described: Ancyronyx helgeschneideri Freitag \& J\äch sp. n., A. minerva Freitag \& J\äch sp. n., A. minutulus Freitag \& J\äch sp. n., A. patrolus Freitag \& J\äch sp. n., A. pseudopatrolus Freitag \& J\äch sp. n., and A. punkti Freitag \& J\äch sp. n. A checklist and a key to the species of Ancyronyx recorded from the Philippines are provided.

}, keywords = {Ancyronyx, Busuanga, Coleoptera, Elmidae, Palawan, Philippines, Southeast Asia, taxonomy, water beetles}, author = {H. Freitag and M.A. J{\"a}ch} } @article {32, title = {A new species of Hintonelmis Spangler (Coleoptera: Elmidae: Elminae) from Central Amazonia, Brazil}, journal = {Zootaxa}, volume = {2353}, year = {2010}, pages = {43-48}, chapter = {43}, abstract = {

Hintonelmis anamariae sp. nov. is described and illustrated based on adult specimens collected in Presidente Figueiredo Municipality, Amazonas State, Brazil. This species can be distinguished from all other known Hintonelmis species by its dorsal color pattern and the morphology of the male genitalia.

}, keywords = {Elmidae, morphology, Neotropics, riffle beetle, taxonomy}, author = {A.S. Fernandes and M.I.S. Passos and N. Hamada} } @article {30, title = {Description of Jolyelmis spangleri a new species from Chur{\'\i}-tepui (Chimant{\'a} Massif, Venezuela), with a description of the larva of J. spangleri and J. reitmaieri (Insecta: Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {3223}, year = {2012}, pages = {1-23}, chapter = {1}, abstract = {

Four species have been recognized in the genus Jolyelmis Spangler \& Faitoute; all collected at isolated table mountains, mostly in cool stenothermal hypocrenal streams. The known distribution of the genus is confined to Venezuela, and each species is here reported as endemic for the respective table mountain where it has been found. Samples from Chur\í-tepui and Mount Roraima in south-eastern Venezuela contained numerous adults and larvae of Elmidae among which is a new species, Jolyelmis spangleri, which is here described. The new species is illustrated and keyed with all other Jolyelmis, and new distributional data for J. reitmaieri\ {\v C}iampor, Jr. \& Kodada are included. Molecular analysis of partial cytochrome oxidase subunit I (cox1) confirmed conspecific life stages for two species: J. spangleri and J. reitmaieri. The larva of each species is described and illustrated, and the generic diagnosis for Jolyelmis larvae is provided. Among the known larvae of South American Elmidae, larvae of the genus Xenelmis Hinton appear to be the most similar. Morphological similarities are discussed. Habitats of adults and larvae are briefly described and illustrated by photographs.

}, author = {J. Kodada and T. Derka and F. {\v C}iampor Jr} } @article {28, title = {Taxonomy of the Oulimnius tuberculatus species group (Coleoptera: Elmidae) based on molecular and morphological data}, journal = {Zootaxa}, volume = {2670}, year = {2010}, pages = {59-68}, chapter = {59}, abstract = {

Two mitochondrial (cytochrome oxidase subunit I, 16S RNA) and one nuclear (18S RNA) gene fragments were used to analyse relationships within the Oulimnius tuberculatus species group. The results of molecular data analysis are compared with morphological characters, and the distributional patterns and taxonomic status of recognized taxa are addressed. Based on molecular data, Oulimnius perezi is re-validated as a distinct species, and the discovery of a possible new species from northwest Italy is reported. The possible origins and times of speciation within the species group are discussed.

}, keywords = {distribution, DNA, Elmidae, Oulimnius, Palaearctic, phylogeny}, author = {F. {\v C}iampor Jr and J. Kodada} } @article {27, title = {Description of the larva of Oulimnius echinatus Berth{\'e}lemy (Coleoptera: Elmidae: Elminae)}, journal = {Zootaxa}, volume = {1984}, year = {2009}, pages = {57-60}, chapter = {57}, author = {F. {\v C}iampor Jr and Z. {\v C}iamporov{\'a}-Za{\v t}ovi{\v c}ov{\'a} and J. Kodada} } @article {26, title = {A new species of Hedyselmis Hinton and notes on the phylogeny of the genus (Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {1781}, year = {2008}, pages = {55-62}, chapter = {55}, abstract = {

A new species, Hedyselmis belatani sp. nov., is described from West Malaysia, based on morphological characters. The description includes detailed drawings of the most important structures. Four fragments of DNA, three mitochondrial (cox1, cob, rrnL) and one nuclear (SSU), were sequenced and compared with H. opis Hinton and other elmid species. The taxonomic position of H. belatani sp. nov., its distribution and the phylogeny of the genus are discussed.

}, keywords = {Coleoptera, DNA, Elmidae, Hedyselmis, Malaysia, morphology, new species, phylogeny}, author = {F. {\v C}iampor Jr and Z. {\v C}iamporov{\'a}-Za{\v t}ovi{\v c}ov{\'a}} } @article {25, title = {Stenelmis puberula Reitter (Coleoptera: Elmidae) - description of larva and its association with adults, using DNA sequences}, journal = {Zootaxa}, volume = {1661}, year = {2007}, pages = {17-28}, chapter = {17}, author = {Z. {\v C}iamporov{\'a}-Za{\v t}ovi{\v c}ov{\'a} and F. {\v C}iampor Jr and J. Kodada} } @article {11, title = {Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)}, journal = {Zootaxa}, volume = {3760}, year = {2014}, pages = {383-395}, chapter = {383}, abstract = {

Two new species of Ancyronyx Erichson, 1847 (Coleoptera: Elmidae) are described from Borneo: A. pulcherrimus (Brunei) and A. reticulatus (Sabah). Habitus views, illustrations of important characters as well as plastron structures of Ancyronyx reticulatus are presented and discussed.

}, author = {J. Kodada and M.A. J{\"a}ch and F. {\v C}iampor Jr} }