Anisepyris arsakalthori Barbosa & Azevedo, sp. nov. (Figs 16A; 17J; 17N; 18C) Description, female. Body length 4.61 mm. Head and mesosoma black; wings clear hyaline; metasoma castaneous. Head wide. Mandible with five distal teeth, wide, angled, and with two upper teeth wider than others. Clypeus short, with apical margin truncate. Frons coriaceous, with frontal process; antennal scrobe carinate. Eye large. Frontal angle of ocellar triangle acute; ocelli small. Vertex convex. Pronotal disc as long as wide, strongly coriaceous; transverse pronotal carina present, incomplete; posterior margin without posterior pronotal sulcus. Notaulus very narrow. Mesoscutellar disc with mesoscutellar sulcus narrow. Metapectal-propodeal disc long; metapostnotal median carina complete; longitudinal ridges present; metapostnotal-propodeal suture straight; paraspiracular carina present and inconspicuous; metapleural carina present and conspicuous; metapectalpropodeal disc with short striae; propodeal declivity polished. Mesopleuron with anterior fovea closed; mesopleural fovea opened; lower fovea opened; posterior fovea absent; mesopleural suture opened. Forewing with stigma developed; Rs&M vein distinguished. Mesotibia not spinose; claws trifid. Metasomal segments sparsely setose. Genitalia. T9 with anterior arm long and overlapping 2vf; 1vv as long as genitalia body; 2vv as long as 1vv length, smoothly narrowing apicad; 3vv long; 1vf strongly curved forward; 2vf slender and with dorsal lap strongly swollen posteriorly; 1rv slightly curved forward, ventral process large, and posterior process long; 2rv slightly curved forward. Material examined. Holotype, ♀, BRAZIL, São Paulo, Bauru, Est[ação[Ecol [ogica]— Cerrado, 22°18'54”S 49°03'39"W, 17.x.1990, Möricke, S.S. Ruiz col[etor] (UFES 10130). Paratypes (3). BRAZIL, Pernambuco, 1 ♀, Recife, Parque dos Dois Irmãos, arm[adilha] Möericke, 08°00'37.7"S 34°56'31"W, 21–24.vii.2002, STP Amarante & eq[uipe] col[etores] (UFES 29674); Rio de Janeiro, 1 ♀, Santa Maria Madalena, Parque Estadual de Desengano, 21°59'03"S 41°57'08"W, 19–22.iv.2002 — Möricke A.M. Penteado-Dias & eq[uipe] col[etores] (UFES 29671); São Paulo, 1 ♀, Balsamo, Cultura de seringueira, 17.iii.1988, Möricke (UFES 10151). Distribution. Brazil: Pernambuco, Rio de Janeiro, São Paulo. Remarks. This new species differs from A. pulchripennis by having the mandible wide and angled; the antennal scrobe carinate; the pronotal disc with a transverse pronotal carina; the notaulus very narrow; the metapostnotum with ridges; and the mesopleuron with the mesopleural fovea and suture opened, whereas A. pulchripennis has the mandible narrow and curved; the antennal scrobe ecarinate; the transverse pronotal carina absent; the notaulus narrow; the metapostnotum without longitudinal ridges; and the mesopleuron with the mesopleural fovea and suture closed.

Published as part of Barbosa, Diego N. & Azevedo, Celso O., 2018, Revision of Anisepyris Kieffer (Hymenoptera, Bethylidae), with description of 135 new species, pp. 1-258 in Zootaxa 4416 (1) on page 112, DOI: 10.11646/zootaxa.4416.1.1, http://zenodo.org/record/1242263