@article {185, title = {A New, Sexually Dimorphic Species of Cylloepus Erichson from Brazil (Coleoptera: Elmidae)}, journal = {The Coleopterists Bulletin}, volume = {75}, year = {2021}, pages = {270{\textendash}274}, abstract = {

Cylloepus dimorphus Shepard, Sites, and Rodrigues, new species (Elmidae) is described from Brazil with a sexually dimorphic abdominal ventrite 5. Males have a protruding lobe on each side of the apex of ventrite 5. Females lack the lobes and are not distinguishable from congeners.

}, keywords = {Byrrhoidea, Neotropical, riffle beetle, taxonomy}, doi = {10.1649/0010-065X-75.1.270}, author = {W.D. Shepard and R.W. Sites and H.D.D. Rodrigues} } @article {135, title = {Description of the larva of Atractelmis (Coleoptera: Elmidae) and new information on the morphology, distribution, and habitat of Atractelmis wawona Chandler}, journal = {Pan-Pacific Entomologist }, volume = {67}, year = {1991}, pages = {195-199}, abstract = {

Collection of additional specimens of\ Atractelmis wawona\ Chandler has allowed descriptions of the female and larva. The species\&$\#$39; known\  geographic distribution is from northern California to southern Oregon and Idaho. Submerged aquatic mosses are the preferred microhabitat.

}, keywords = {Atractelmis, Coleoptera, descriptions, distribution, Elmidae, Insecta, microhabitat}, author = {W.D. Shepard and C.B. Barr} }