@article {194, title = {A review of the Larainae of Australia with description of seven new species and the new genus Australara (Coleoptera, Byrrhoidea, Elmidae)}, journal = {ZooKeys}, volume = {1073}, year = {2021}, pages = {55{\textendash}117}, abstract = {

The three genera and four species of Larainae (Elmidae) previously described from Australia are reviewed, and one new genus and seven new species are described: Australara glaisteri gen. et sp. nov., Ovolara lawrencei sp. nov., Ovolara monteithi sp. nov., Stetholus carinatus sp. nov., Stetholus longipennis sp. nov., Stetholus metatibialis sp. nov., and Stetholus woronora sp. nov. A lectotype is designated for Hydora laticeps (Carter \& Zeck), and the first new collection records of the species are reported since its description in 1932. The occurrence in Australia of Potamophilinus papuanus Sat\ô, described from Papua New Guinea, is reported. A key to the species, photographic images of the external morphology and male genitalia, distribution maps, and habitat and behavioral information, when known, are provided for all twelve species of Australian Larainae.

}, keywords = {aquatic beetles, Hydora, new taxa, Ovolara, Potamophilinus, riffle beetles, Stetholus, taxonomy}, doi = {10.3897/zookeys.1073.71843}, author = {C.B. Barr and W.D. Shepard} } @article {149, title = {Amazonopsis, an unusual new genus of riffle beetle from South America with two new species (Coleoptera, Elmidae, Elminae)}, journal = {ZooKeys}, volume = {803}, year = {2018}, pages = {71{\textendash}92}, abstract = {

Amazonopsis gen. n. is described to include A. theranyi sp. n. from Peru, Venezuela and French Guiana, and A. camachoi sp. n. from Venezuela. The descriptions are accompanied by figures illustrating the male and female habitus of A. theranyi, the male habitus of A. camachoi, and male genitalia of both species. Amazonopsis theranyi exhibits pronounced secondary sexual dimorphism which likewise may be a characteristic of the genus. Amazonopsis males have modifed protarsal and mesotarsal claws, a pair of small spines on the anterior prosternum, and a pair of ventrally directed processes on the posterior metaventrite. Females of A. theranyi display a pair of unique, oval perforations in the cuticle of the pronotum and have unmodifed claws; females of A. camachoi are unknown. Descriptions are furnished of the stream habitats and microhabitats where the study specimens were collected.

}, keywords = {aquatic beetles, French Guiana, Neotropics, peri-Amazonian, Peru, sexual dimorphism, taxonomy, Venezuela}, doi = {10.3897/zookeys.803.28124}, author = {C.B. Barr} }