Dissomphalus evaristoae De Brito & Azevedo 2024, sp. nov.
Creators: name: De Brito, Chirlei D.
name: Azevedo, Celso O.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Bethylidae
Dissomphalus
Dissomphalus evaristoae

description: Dissomphalus evaristoae Brito & Azevedo, sp. nov.
(Figs 1C, 4D)
Diagnosis. This species is easily recognized by having the harpe strongly incurved, the digitus wide, the apex of inner median filament very small and the dorsolateral part of the basal cover plate very narrow.
Description. Head. Mandible with three distal teeth. Median clypeal lobe ill-defined, with one angulate tooth; median clypeal carina low in profile, incomplete apically, arched in profile. Frons coriaceous, punctures small and dense. Vertex crest straight or nearly so. Dorsal pronotal area with anterior margin coarse. Tergal process submedian, consisting of tuft with few setae, without depression. Posterior hypopygeal margin sinuous. Genitalia. Harpe very wide basally, apical margin truncate, abaxial margin not projected; gonostipes shorter than harpe, ventral margin not excavated until outer margin of basivolsella; digitus long, basidorsal corner poorly projected; basivolsella without protuberance, without spines; aedeagal ventral valve with apex anterior to apex of dorsal one, wide, abruptly narrowing apicad; inner margin straight; outer margin straight, angled laterad; aedeagal dorsal valve narrow, with two pairs of apical lobe; outer lobe long, narrow, apical margin rounded and ventrad; apex of inner median filament anterior to apex of lobe, directed posterad; basal cover plate very narrow in lateral view, posterior margin slightly incurved medially; apodeme not extending beyond genital ring.
Variations. Median clypeal lobe trapezoidal, head slightly coriaceous.
Material examined. Holotype 1♂: BRAZIL, Pará, Juruti, Galileia, 10.V.2009, arm. Malaise, O. T. Silveira & equipe col. (MPEG). Paratypes: BRAZIL, Amazonas, 1♂, Manaus, Reserva Ducke, Igarapé Ipiranga, IV.2003, arm. Malaise, J. M. F. Ribeiro col. (INPA); Mato Grosso, 2♂, Sinop, XI.1975, M. T. M. Alvarenga (CNCI); Minas Gerais {= Mato Grosso}, Sinop XI.1975, M. Alvarenga (PMAE); ECUADOR, Zamora, 1♂, 1000 m, Chinchipe, Rio Bombusca [r]o, 4°12'S 78°98'W, MT, 21.VI–4.VII.1996, P. Hibbs (CNCI).
Distribution. Brazil (Amazonas, Minas Gerais, Mato Grosso, Pará), Ecuador.
Etymology. This species is named after Conceição Evaristo, a linguist and Afro–Brazilian writer.
Remarks. It is similar to D. nisiae sp. nov. by having the dorsal margin of harpe very incurved anteriorly, the basal cover plate very narrow in lateral parts, and the digitus wide. However, D. evaristoae sp. nov. has the aedeagal dorsal lobes narrow, the apical margin of the outer lobes acute, and the gonostipes wide, whereas D. nisiae sp. nov. has the aedeagal dorsal lobes wide with apical margin rounded, and the gonostipes narrow.
description: Published as part of De Brito, Chirlei D. & Azevedo, Celso O., 2024, Revision of the punctatus species-group of Dissomphalus Ashmead (Hymenoptera, Bethylidae), pp. 389-431 in Zootaxa 5536 (3) on page 411, DOI: 10.11646/zootaxa.5536.3.2, http://zenodo.org/record/14239039