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.
Translator Disclaimer
ACCESS THE FULL ARTICLE

The Coleopterists Bulletin
Vol. 75 • No. 1
March 2021
Vol. 75 • No. 1
March 2021
Byrrhoidea
neotropical
riffle beetle
taxonomy