Optioservus elegans (Le Conte 1852)

Description: Aquatic dryopoid beetles (Coleoptera) of the United States, by Harley P. Brown. Date:. Source: https://www.biodiversitylibrary.org/pageimage/3286893. Author: Brown, Harley P.; Oceanography and Limnology Program (Smithsonian Institution); United States. Page ID3286893. Item ID22730 (Find related Wikimedia Commons images). Title ID4106 (Find related Wikimedia Commons images). Page numbersPage 42. BHL Page URLhttps://www.biodiversitylibrary.org/page/3286893. DOI10.5962/bhl.title.4106. Page typeText Illustration. CreditNOT_IN_COPYRIGHT : This file comes from the Biodiversity Heritage Library. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Deutsch | English | español | français | italiano | 日本語 | македонски | Nederlands | polski | +/−.