The aquatic Adephaga of the Makay, central-western Madagascar, with description of two new diving beetle species (Coleoptera, Gyrinidae, Haliplidae, Noteridae, Dytiscidae) Author Ramahandrison, Andriamirado Tahina https://orcid.org/0000-0002-0833-8730 Departement de Biologie et Ecologie Vegetales, Faculte des Sciences, BP 906, Universite d'Antananarivo, Antananarivo, Madagascar & Sorbonne Universite, Institut de Systematique, Evolution, Biodiversite (UMR 7205), MNHN SU CNRS EPHE UA, Case 05, 7 quai St Bernard, Paris, France Author Rakouth, Bakolimalala https://orcid.org/0000-0001-5710-2006 Departement de Biologie et Ecologie Vegetales, Faculte des Sciences, BP 906, Universite d'Antananarivo, Antananarivo, Madagascar Author Manuel, Michael Sorbonne Universite, Institut de Systematique, Evolution, Biodiversite (UMR 7205), MNHN SU CNRS EPHE UA, Case 05, 7 quai St Bernard, Paris, France manuel1570@yahoo.fr text ZooKeys 2022 2022-11-02 1127 1 60 http://dx.doi.org/10.3897/zookeys.1127.85737 journal article http://dx.doi.org/10.3897/zookeys.1127.85737 1313-2970-1127-1 4759AFC32EFD47A7853F645FB32829BA D72971CE12A85992AFFD69F186474E85 Dineutus proximus Aube , 1838 Type locality. Madagascar. Material examined. 1 ♂ , 2 ♀♀ : MAK-5B; 1 ♂ , 1 ♀ : MAK-5D; 2 ♂♂ : MAK-13; 2 ♂♂ , 3 ♀♀ : MAK-14B; 2 ♂♂ , 1 ♀ : MAK _24; 3 ♂♂ , 8 ♀ ♀ : MAK-27; 1 ♀ : MAK-30; 1 ♀ : MAK-35C; 2 ♂♂ , 2 ♀♀ : MAK-37B; 2 ♀♀ : MAK-40A; 2 ♂♂ , 3 ♀♀ : MAK-40B; 3 ♂♂ , 3 ♀♀ : MAK-48; 1 ♂ , 2 ♀♀ : MAK-55; 1 ♂ , 1 ♀ : MAK-59A;; 1 ♂ , 3 ♀♀ : MAK-59C. Distribution. Madagascar, widespread ( Legros 1951 ; Brinck 1955 ; Bameul 1984 ). Habitat in study area. Collected only in inner Makay, in permanent lotic habitats (rivers and streams) with sandy bottom (in a few sites substrate was more rocky) and with clear water, in forested or semi-forested environmental context, with little or no anthropogenic disturbance.