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Roger de Lessert (11 September 1878 – 1945) was a Swiss zoologist and arachnologist. He published extensively on spiders, particularly of the Afrotropical region. He described a large number of species and several are named in his honour including the genera Lessertia Smith, 1908 (Linyphiidae), Lessertina Lawrence, 1942 (Eutichuridae), Lessertinella Denis, 1947 (Linyphiidae) and Pellolessertia Strand, 1929 (Salticidae).
De Lessert was born in Lavigny, Canton of Vaud, Switzerland in the wealthy family of Henry de Lessert and Marie Tronchin de la Rive. He studied at the University of Geneva and received a doctorate in 1903. In 1906 he married his cousin Jacqueline de Lessert de Neufville. He was active in the Zoological Society of Switzerland and in 1908 he joined the Museum of Natural History in Geneva to work on the arthropod collections. He retired in 1918 and moved to Buchillon where he spent most of his time studying spiders. He studied the spiders collected on expeditions to Uganda, Kilimangaro, South Africa, Congo, Angola, and Portuguese East Africa between 1913 and 1922. A street in Buchillon is named after him as Rue Roger-de-Lessert.
References
- Delessert, Gaston (1904). Famille de Lessert. Souvenirs et Portraits. Genève. doi:10.3931/e-rara-134832.
{{cite book}}: CS1 maint: location missing publisher (link) - "Roger de LESSERT". Grupo Ibérico de Aracnología.