Dissomphalus coronatus Alencar & Azevedo, 2006

Alencar, I. D. C. C. & Azevedo, C. O., 2006, Definition of the coronatus species-group (Hymenoptera: Bethylidae, Dissomphalus) with description of thirteen new species, Zootaxa 1330, pp. 1-26 : 7-9

Dissomphalus coronatus Alencar & Azevedo , New Species

( Fig. 7–9 )

Diagnosis: aedeagus with ventral ramus with apical half narrow and converging mesad; dorsal body with base wide narrowing gradually to apex, apex rounded with sinuous and serrate projection directed ventrally in lateral view, ventral margin straight except at apex, dorsal margin convex with subapical concavity; crown-process small.

Description: male, body length 2.6mm; LFW 2.0mm. Color: head and mesosoma black; clypeus and metasoma dark castaneous; antenna light castaneous and gradually darker in distal part; mandible, palpi and legs light castaneous; wings subhyaline.

Head: mandible tridentate. Clypeus with trapezoidal median lobe, median carina complete. First four antennal segments in ratio of ~16:5:4:4, segment XI 1.6x as long as wide. Frons coriaceous, punctures shallow, separated by 1.0–1.5x their diameter. LH 1.0x WH; WF 0.6x WH; WF 1.3x HE; OOL 1.3x WOT; DAO 0.4x WOT; posterior ocelli distant from crest of vertex 0.8x DAO. Vertex concave with rounded corners. VOL 0.5x HE.

Mesosoma: thoracic dorsum weakly coriaceous and shiny, punctures smaller and sparser than those of frons. Pronotal disc 0.4x length of mesoscutum, anterior margin carinate. Notaulus complete. Propodeal disc 1.1x as long as wide, irregularly rugose, median carina incomplete posteriorly, posterior part polished and shiny; lateral surface and declivity of propodeum areolate. Fore femur 2.0x as long as wide.

Metasoma: tergum II with pair of circular, large and deep lateral depressions, separated by 1.3x their diameter, nearly touching posterior and lateral margin of tergum I; each depression with dense tuft of convergent setae directed backward; antero-lateral margin with long setae. Hypopygium with posterior margin with median convexity.

Genitalia (7–9): paramere wide in lateral view, apex arched mesad, inner surface of apex with distinct long seta, dorsal margin straight with subapical small concavity, ventral margin concave. Basiparamere rounded in ventral view. Cuspis long and arched with rounded apex, digitus arched ventrally, acutely pointed, apical margin serrate, basal projection rounded, directed dorsally with short setae. Aedeagus with ventral ramus much shorter than dorsal body, laminar, surface horizontal, angulate medially laterad, basal half wide, apical half narrow and converging mesad; dorsal body laminar, surface vertical, base wide narrowing gradually to apex, apex rounded with sinuous and serrate crest-like projection directed ventrally in lateral view ( Fig. 9 ), ventral margin straight except at apex, dorsal margin convex with subapical concavity; crown-process small. Apodeme of aedeagus not extending beyond elliptical genital ring.

Material examined: HOLOTYPE: male, PANAMA, Veraguas, Coiba N[ational] P[ark], Isla Coibita [Rancheria], [7°38’37”N 81°42’15”W], 29.VII–4.VIII.1998, Malaise trap, R. Cambra and A. Santos col. ( MIUP). COSTA RICA, 1 male, Heredia, La Selva Biol[ogical] St[ation], 10º25’48” N 84º1’12”W, 26.VI–1.VII.1993, Malaise#2, B. V. Brown and D. Feener col. ( LACM); 1 male, Puntarenas, San Vito de Coto Brus, Las Cruces, [8°28’12”N 82°34’12”W], 1200m, 7–14.VIII.1982, Malaise trap, B. Gill col. ( CNCI); PARATYPES: PANAMA, Veraguas, Coiba National Park, 4 males same data as holotype; Isla Coiba, Cerro La Equis, [7°29’16”N 81°44’9”W]: 1 male, 120m, 29.VII–4.VIII.1998, Malaise trap, R. Cambra and A. Santos col. ( MIUP); 1 male, 0m, 30.XI–4.XII.1998, Malaise trap, R. Cambra and S. Bermudez col. ( MIUP); Bocas Del Toro, 8 males, PILA [La Amistad International Park], Wekso, Teribe, [9°23’N 83°14’W], 17–24.X.1999, Malaise trap, 50 m. s. n. m., A. Santos col. ( MIUP); 1 male, Humedal de San San Pond [Sac National Park], [9°30’N 82°30’W], 26–28.X.1999, Malaise trap, A. Santos col. ( MIUP); 1 male, Div. Cont. Chiriquí-B. Toro [Boundary between Chiriquí and Bocas Del Toro], Fortuna, [8°45’N 82°15’W], 1070–1090m, 8–11.IV.1999, Malaise trap, R. Cambra and A. Santos col. ( MIUP); 1 male, Panama, Altos de Campana N[ational] P[ark], [8°41’30”N 79°53’W], 10–14.VIII.1999, Malaise trap, A. Santos and P. González col. ( MIUP); 1 male, C. Zone Gamboa, Pepeline rd Malte, VII.1967, N. W. Wirth col. ( CNCI); 1 male, [Colón], Panama Canal, Tigre Island, [9°13’52”N 79°54’39”W], 14.VI.1982, R. B. Kimsey col., DEV. ( UCDC); Darién, Darién N[ational] P[ark], Cruce de Mono, Est[acion] INRENARE, [7°52’N 77°47’W]: 2 males, 5–28.II.1993, Malaise trap, R. Cambra col. ( MIUP); 1 male, 6.II–4III.1993, Malaise trap, R. Cambra, J. Coronado col. ( MIUP); 1 male, Cerro Campana, 29.VII.1960 ( EMUS); VENEZUELA, 1 male, Zulia, Los Angeles del Tucuco, [9°50’55”N 72°48’31”W], 15–16.IV.1981, A. S. Menke and L. Hollenberg col. ( USNM); Miranda, Guatopo National Park, Altagracia 35Km N., Aqua Blanca, [10°5’ N 66°30’ W], 400m: 1 male, Forest streamside, 7–14.VI.1998, FIT, S. and J. Peck col. ( PMAE); 3 males, Ravine, 31.VI–7.VI.1987, FIT, S. and J. Peck col. ( PMAE); 1 male, DOMINICA, W. I. S. ChilternEst., 20.II.1965, W. W. Wirth; Bredin – Archbold Smithsonian Bio[logical] Surv[ey] Dominica ( USNM); TRINIDAD [& TOBAGO], [ Trinidad Island], Simla Res[earch] Sta[tion], [10°41’1”N 61°17’0”W], 3 males, 2–15.VI.1981, Hanson, Clemeons col. ( EMUS); 10 males, 8km N Arima, lower montane rain for[est], 260m, 24.VI–08.VII.1993, FIT, S. & J. Peck, 93–57 ( CNCI); 1 male, Curepe, 2–11.XII.1978, MT ( CNCI); ECUADOR, Pichincha, 7 males, [Santo Domingo], Tinalandia, [0°30’S 79°9’W], 14.VI.1976, S. and J. Peck col. ( PMAE); 1 male, 47km S. S[an]to Domingo, Rio Palenque R[eserve] St[ation], rainforest, [0°30’S 79°9’W], 160–180m, 29.IV–5.V.1987, 2MT, Brown and Coote col. ( PMAE); 1 male, Rio Palenque Res[erve] Sta[tion], [0°30’S 79°9’W], 250m, 5.V–25.VII.1985, S. and J. Peck col. ( PMAE); Napo, Tena, [0°59’S 77°49’W]: 1 male, 18–19.XI.1986, Mal[aise] trap, A. T. Finnamore col. ( PMAE); 1 male, 19.XI.1986, Sweep, A. T. Finnamore col. ( PMAE); 1 male, [Los Rios], Pichilinque, Quevedo, [1°6’S 7°29’W], V.1978, J. Mendoza col. ( USNM).

Variation: some specimens have the mesosoma and metasoma lighter or rufous castaneous, tergal process with depression slightly inclined or with antero-lateral margin subangulate in posterior view, deeper or shallower, tuft wider or less dense, in only one specimen from Dominica setae directed dorsally. Genitalia with dorsal margin of paramere sometimes somewhat sinuous, dorsal body of aedeagus sometimes exceeding height of volsella.

Comments: this species is similar to D. fungosus in having the tergal process with a large and deep depression and inner part of paramere with distinct long seta medially, but D. fungosus has mandible tetradentate, tergal process widely separated and tuft of setae directed dorsally, whereas D. coronatus has mandible tridentate, tergal process with depression closer to each other with tuft of setae directed backward, and genitalia with dorsal body having a crown-like structure.

Etymology: specific epithet comes from Latin and refers to the basal structure of dorsal body that is reminiscent of a crown.

Distribution: Costa Rica, Panama, Venezuela, Dominica, Trinidad & Tobago, Ecuador.

Figures

FIGURES 1 – 11. 1 – 4, Dissomphalus aculeatus sp. nov. 1, metasoma, dorsal view; 2, genitalia, ventral view; 3, genitalia, dorsal view; 4, outer lobe of aedeagus, dorsal view; 5 – 6, Dissomphalus auritus sp. nov. 5, genitalia, ventral view; 6, genitalia, dorsal view; 7 – 9, Dissomphalus coronatus sp. nov. 7, genitalia, ventral view; 8, genitalia, dorsal view; 9, apex of dorsal body, lateral view; 10 – 11, Dissomphalus culteratus sp. nov. 10, genitalia, ventral view; 11, genitalia, dorsal view. (Scale bars = 250 μm).