Dissomphalus ibocius Brito & Azevedo

Azevedo, Celso O., 2017, Review of Dissomphalus Ashmead (Hymenoptera, Bethylidae) from Panama, with key to the Central American species, Zootaxa 4335 (1), pp. 1-72: 28

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Dissomphalus ibocius Brito & Azevedo

sp. nov.

Dissomphalus ibocius Brito & Azevedo  sp. nov.

( Figs 7View FIGURES 1 – 12, 38View FIGURES 33 – 44, 69View FIGURES 64 – 75, 127–128View FIGURES 123 – 135)

Description. Male. Body length 2.24 mm. Color: body dark castaneous. Head ( Fig. 7View FIGURES 1 – 12). Mandible with two distal teeth. Median clypeal lobe ill-defined, with one angulate very short tooth; median clypeal carina low in profile, incomplete apically, angled in profile. Frons weakly coriaceous and punctures small. Vertex crest weakly concave. Pronotal disc coriaceous; anterior margin carinate. Metasoma ( Fig. 38View FIGURES 33 – 44). Tergal process with shallow, subcircular and large depression, with very small and very low dorsad tubercle placed on inner area of depression, pit very small with short tuft of setae. Posterior hypopygeal margin weakly concave ( Fig. 69View FIGURES 64 – 75). Genitalia ( Figs 127–128View FIGURES 123 – 135): paramere with dorsal margin entirely wide; apical margin truncate. Aedeagal ventral ramus shorter than dorsal body, wide, abruptly narrowing apicad; cross section laminar; surface subvertical; inner margin sinuous; outer margin sinuous; apex long, crenulate, curved outward; additional inner ramus absent; basal stub absent. Aedeagal dorsal body with two pairs of apical lobes; outer lobe long, horizontal and wide, with apical margin crenulate and laterad; inner pair stout, membranous and setose. Apodeme not extending beyond genital ring.

Variations. Body length between 1.79 (min.) mm and 2.60 (max.) mm.

Remarks. This species is similar to D. asitius  sp. nov. by having the aedeagal ventral ramus with toothed apex and the paramere with crenulate apex. However, it species has the apical lobes of the aedeagal dorsal body long, with laterad apex and the paramere with the dorsal margin sinuous, whereas D. asitius  sp. nov. has the apical lobes of the aedeagal dorsal body shorter with dorsad apex and the paramere with the dorsal margin almost straight.

Material examined. Holotype, ♂, Coclé Pr [ovincia]: El Copé, Par [que] Nac [ional General de División ] Omar Torrijos H [errera], 570–670 m.s.n.m., [08º41'56"N, 80º39'17"W], 26–30 sep. 1999, Tr [ampa] Malaise, A. Santos, P. González [col.] ( MIUP)GoogleMaps  . Paratypes: 2♂, same data as holotypeGoogleMaps  ; Panama Pr [ovincia]: 2♂, P[arque] Nac [ional] Altos de Campana , [08º43'15"W, 80º01'43"W], 10–14 ago 1999, Tr [ampa] Malaise, A. Santos, P. González [col.] ( MIUP)  .

Distribution ( Fig. 235View FIGURES 234 – 243). Panama (Coclé and Panama).