DOI: 10.3897/jhr.96.103379

Authors: Ozren Polašek, Len de Beer

Abstract: Ropalidia jemmae sp. nov. is described from the protected Ankafobe evergreen forest in central Madagascar. This species is characterized by a variable black and green body colour pattern and a unique nest architecture within the genus Ropalidia. The nests of this species have an inverted cell opening orientation that exposes the cell bottoms outwardly, mimics the tree bark, and provides excellent visual nest concealment.

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DOI: 10.3897/jhr.90.81095

Authors: Santiago Bordera, Bernardo F. Santos

Abstract: The taxonomic limits of the Malagasy genus Piasites Seyrig are reviewed. The genus is redescribed and compared to other similar taxa, especially the Afrotropical Bozakites Seyrig. The type species, P. carinatus Seyrig, is redescribed; its extensive colour variation is described and discussed. Seven new species are described and illustrated: P. lineatus, P. nigricollis, P. orbitalis, P. perinetensis, P. politus, P. quasimodus and P. seyrigi. An identification key to the species is presented.

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DOI: 10.3897/jhr.24.1811

Authors: David Smith, Pierre Tripotin

Abstract: Seven species of the primarily hyperparasitoid family Trigonalidae are reported from Madagascar: Orthogonalys brevis Smith & Tripotin, sp. n., Orthogonalys gigantea Benoit, 1951; O. hova Bischoff, 1933; O. maculata Bischoff, 1933; Orthogonalys parahova Smith & Tripotin, sp. n., O. seyrigi Bischoff, 1933; and Trigonalys natalensis Kriechbaumer, 1894. Diagnoses and a key to species are given.

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DOI: 10.3897/jhr.22.1142

Authors: Lynn Kimsey

Abstract: The tiphiid wasp fauna of Madagascar consists of 28 endemic species, including 12 species of Anthobosca (Anthoboscinae), nine species of Methocha (Methochinae), two species of Tiphia (Tiphiinae) and in the Myzininae three species of Meria, eight species of Mesa and two species of Myzinella. Seven species of Methocha, arcuata, depressa, flavipalpus, impunctata, nasiformis, robusta and strigosa, and one species of Myzinella, minima, are described as new. All of the genera are shared with mainland Africa.

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