Dissomphalus raziogus Brito & Azevedo, 2017

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 : 44

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https://doi.org/ 10.11646/zootaxa.4335.1.1

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Dissomphalus raziogus Brito & Azevedo

sp. nov.

Dissomphalus raziogus Brito & Azevedo sp. nov.

( Figs 18 View FIGURES 13 – 24 , 49 View FIGURES 45 – 56 , 80 View FIGURES 76 – 87 , 169–170 View FIGURES 163 – 173 )

Description. Male. Body length 2.27 mm. Color: head and mesosoma dark castaneous; metasoma castaneous. Head ( Fig. 18 View FIGURES 13 – 24 ). Mandible with two distal teeth. Median clypeal lobe trapezoidal, with one angulate tooth; median clypeal carina low in profile, complete or nearly so, straight in profile or nearly so. Frons weakly coriaceous and punctures small. Vertex crest strongly concave. Pronotal disc coriaceous; anterior margin coarse. Metasoma ( Fig. 49 View FIGURES 45 – 56 ). Tergal process absent. Posterior hypopygeal margin weakly concave ( Fig. 80 View FIGURES 76 – 87 ). Genitalia ( Figs 169–170 View FIGURES 163 – 173 ): paramere with dorsal margin wide basally; apical margin rounded. Aedeagal ventral ramus higher than dorsal body, wide, abruptly narrowing apicad; cross section laminar; surface horizontal; inner margin excavated; outer margin slightly sinuous; apex long, simple, parallel; additional inner ramus absent; basal stub short and narrow. Aedeagal dorsal body with two pairs of apical lobes; outer lobe short, subhorizontal and narrow, with apical margin acute and mesad; inner pair stout, membranous and setose. Apodeme extending beyond genital ring.

Variations. Mesosoma dark castaneous; median clypeal lobe short.

Remarks. This species is similar to D. isortus sp. nov. by having the aedeagal dorsal body narrowing slightly apicad, the apical lobes of the aedeagal dorsal body in conical-shaped. However, this species has the tergal process absent, the paramere narrow, the apex of the apical lobes of the aedeagal dorsal body mesad and the aedeagal ventral ramus with filament inserted in the median part, characteristic diagnosis for microsticus species-group, whereas D. isortus sp. nov. has the tergal process with a tubercle, pit with thick setae the paramere wide, the apex of the apical lobes of the aedeagal dorsal body dorsad and the aedeagal ventral ramus without filament.

Material examined. Holotype, ♂, PANAMA, Bocas del Toro: Wekso, Teribe , P[arque] I[nternacional] L[a] A[mistad], 50 msnm, [09º24'25"N, 82º56'20"W], 17–24 oct. 1999, Tr [ap] Malaise, A. Santos[col.] ( MIUP) GoogleMaps . Paratypes: 8♂, same data as holotype GoogleMaps ; Chiriquí Pr [ovincia]: 1♂, P[arque] I[nternacional] L[a] A[mistad], Jurutungo , 1800 m, [08°54'N, 82°44'W], 30 oct. 5 nov. 1994, Tr [ampa] Malaise, A. Rodriguez [col.] ( MIUP) GoogleMaps ; 1♂, 15 km NW Hato del Volcano , 1200 m, [08°46'N, 82°38'W], 24–31.V.1997, Peck & Howden [col.] ( CNCI) GoogleMaps ; 1♂, Fortuna: Div. Cont. Chiriqui-B[ocas del] Toro , 1070–1090 m, [08°46'16.5"N, 82°11'27.3"W], 8–11.abr.1999, Malaise, R. Cambra, A. Santos [col.] ( MIUP) GoogleMaps .

Distribution ( Fig. 241 View FIGURES 234 – 243 ). Panama (Bocas del Toro and Chiriquí).


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