Epirhyssa brianfisheri Rousse & van Noort, 2014

Hopkins, Tapani, Roininen, Heikki, Noort, Simon van, Broad, Gavin R., Kaunisto, Kari & Saeaeksjaervi, Ilari E., 2019, Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts, ZooKeys 878, pp. 33-71 : 33

Epirhyssa brianfisheri Rousse & van Noort, 2014 Figs 3-6

Material examined.

Type material: CENTRAL AFRICAN REPUBLIC:

• 1 ♀, holotype; Préfecture Sangha-Mbaéré, Réserve Spéciale de Forêt Dense de Dzanga-Sangha (12.7 km, 326 degrees NW of Bayanga); 3°00.27'N, 16°11.55'E; alt. 420 m; 13 May 2001; Simon van Noort leg.; Sweep; CAR01-S158; Lowland rainforest; SAMC SAM–HYM–P 048018.

Known material: One specimen (1 ♀, see Rousse and van Noort 2014, data above).

Diagnosis.

This species can be distinguished from other Afrotropical Rhyssinae by the combination of an elevated hypostomal flange, the absence of a raised flange on the dorsal margin of the mesopleuron, an elliptical apical horn of the metasoma, and a finely punctate (over 50% of surface) tergite 3. In practice its colour pattern makes it instantly recognisable.

Head: frons with median carinae converging before continuing towards median ocellus, without lateral carinae; hypostomal carina raised into an elevated flange, its height greater than the maximum width of the second maxillary palp segment.

Mesosoma: subalar prominence without a lateral flange; mesopleuron without a flange along the dorsal margin; epicnemial carina reaches the approximate height of the mesopleural pit.

Metasoma: tip of apical horn elliptical in posterior view; tergite 3 punctate.

Distribution.

Central African Republic.

Figures

Figures 3 - 6. Epirhyssa brianfisheri female (holotype, SAM-HYM-P 048018). This species was not found in Uganda. 3 Habitus 4 hypostomal flange 5 mesopleuron dorsal margin 6 apical horn of metasoma. Figure 3 is from van Noort (2019).