Hydaticus sobrinus Aube , 1838

Ramahandrison, Andriamirado Tahina, Rakouth, Bakolimalala & Manuel, Michael, 2022, The aquatic Adephaga of the Makay, central-western Madagascar, with description of two new diving beetle species (Coleoptera, Gyrinidae, Haliplidae, Noteridae, Dytiscidae), ZooKeys 1127, pp. 1-60 : 1

Hydaticus sobrinus Aube, 1838

Hydaticus matruelis obliquevittatus = Hydaticus matruelis var. obliquevittatus Régimbart, 1895).

Type locality.

Madagascar, Mascarene Islands ( Guignot 1959-1961; Bertrand and Legros 1971; Bameul 1984; Bukontaite et al. 2015).

Material examined.

1 ♀: MAK- 8; 2 ♀: MAK-50; 2 ♀♀: MAK-53; 1 ♂: MAK-54A; 2 ♀♀: MAK-59C.

Distribution.

Mauritius, La Réunion, Madagascar. In Madagascar, widespread.

Habitat in study area.

This species was collected only in inner Makay, in well-preserved forested or semi-forested areas. The habitats were isolated pools and very slowly flowing streams, with clear or slightly turbid water, sandy bottom (sometimes with stones), with moderate amount of plant debris and no vegetation.

Subfamily Hydroporinae , tribe Bidessini