Calosoma (Ctenosta) grandidieri Maindron, 1900

Calosoma Grandidieri Maindron, 1900: 16 (type: riv. Onifaly; Muséum National d'Histoire Naturelle, Paris)
Calosoma (Eucalosoma) grandidieri Breuning, 1927: 181
Epipara Grandidieri Lapouge, 1930: 92
Ctenosta (Eucalosoma) grandidieri Jeannel, 1940: 126


Length 25-35 mm. With bastardi, the other endemic species of Madagascar, grandidieri was put by Breuning (1928) in the subgenus Eucalosoma. A peculiarity of their chaetotaxy (presence of one seta on the metatrochanter) distinguishes them from other species of Ctenosta.
grandidieri is further characterized by the metatrochanter with an acuminate tip and by the bronzed color of the upper body.
It is found in the whole Madagascar

Examined specimens and literature’s data:
Madagascar: Toliara: Berenty reserve (SB), Onilayi River (type MNHN), Ranomainty (RMCA), Betioky (RMCA); northern Madagascar (EM), Moramanga district, Amboasary (SB), Mahafaly reg. (Breuning, 1927: 182), Antankara reg. (Breuning, 1927: 182).

Notes: Winged. Active individuals were found during the hot rainig season, in December.
The species is named after Alfred Grandidier (1836 –1921) a French naturalist and explorer, who visited several times Madagascar studying in depth its geography and nature.

Calosoma (Ctenosta) grandidieri
Maindron, 1900
Southern Madagascar, Berenty reserve, XII.89
Calosoma (Ctenosta) grandidieri
Maindron, 1900
Southern Madagascar, Berenty reserve, XII.89

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