Nesocyrtosoma merkli (Marcuzzi)

Hopp, Katie J. & Ivie, Michael A., 2009, A Revision Of The West Indian Genus Nesocyrtosoma Marcuzzi (Coleoptera: Tenebrionidae), The Coleopterists Bulletin (mo 8) 63, pp. 1-138: 33-36

publication ID

http://doi.org/ 10.1649/0010-065x-63.sp8.1

persistent identifier

http://treatment.plazi.org/id/457F4C06-A82E-FFD3-E04A-FACCD0F6B571

treatment provided by

Carolina

scientific name

Nesocyrtosoma merkli (Marcuzzi)
status

New Combination

Nesocyrtosoma merkli (Marcuzzi)   , New Combination

( Figs. 46 View Figs , 120–123 View Figs , 262 View Figs , 277 View Figs )

Cyrtosoma (Pachycyrtosoma) merkli Marcuzzi 1999: 82   , 84, Figs. 1 and 2 View Figs ; Perez- Gelabert 2008: 115.

Type Material Examined. HOLOTYPE: DOM.REP., LaVega,; 53km.SE.Constanza; August 9, 1979; L.B.O’Brien/ Cyrtosoma   ; Pachycyrtosoma; merkli   / on red paper Holotypus / on yellow paper HOLOTYPUS; Cyrtosoma   ; (Pachycyrtosoma); merkli Marcuzzi, 1999   . ( HNHM). PARATYPES (7 specimens in HNHM): DOM.REP., LaVega,; 53km.SE.Constanza; August 9, 1979; L.B.O’Brien/ on yellow paper PARATYPUS; Cyrtosoma   ; (Pachycyrtosoma); merkli Marcuzzi, 1999   . (2 HNHM). DOM.REP., LaVega,; 8km.S.Constanza; IX-3-1997; C.W. O’Brien/ on yellow paper PARATYPUS; Cyrtosoma   ; (Pachycyrtosoma); merkli Marcuzzi, 1999   (1 HNMH). DOM.REP., LaVega,; 18km.SE.Constanza; August 4, 1979; L.B.O’Brien/ on yellow paper PARATYPUS; Cyrtosoma   ; (Pachycyrtosoma); merkli Marcuzzi, 1999   (2 HNHM). DOM.REP., LaVega,; 53km.SE.Constanza; August 9, 1979; L.B.O’Brien/ on red paper COTYPUS/ Cyrtosoma   ; Pachycyrtosoma; merkli   / on yellow paper PARATYPUS; Cyrtosoma   ; (Pachycyrtosoma); merkli Marcuzzi, 1999   . (1 HNHM). COTYPES: DOM. REP., La Vega,; 53km.S.E.Constanza; August 9, 1979; L. B. O’Brien/ Cotypus (on red paper)/ Cyrtosoma   ; (Pachycyrtosoma); merkli   ; Marcuzzi; 1999. (1 BMNH).

Notes. An eighth paratype deposited in HNHM is designated by Marcuzzi (1999). However, after examination this specimen was determined as Nesocyrtosoma otus Hopp and Ivie   and is further discussed under that species.

Other Material Examined. Mt.Quita-; Espuela, Dom. Rep.; July’38, 2– 3,000 ft.; Darlington. (3 MCZC). Mt. Diego de; Ocampo, Dom. Rep.; 3–4,000 ft., July’38; Darlington. (3 MCZC). Loma Rucilla and; mts. N., Dom. Rep.; June’38, 5– 8,000 ft.; Darlington. (2 MCZC). cloudforest; vic.Valle Nuevo; Aug’38, Dom. Rep.; c. 6,000 ft, Darl. (4 MCZC, 1 WIBF). Constanza to; V. Nuevo, Dom. Rep.; Aug’38, 3– 7,000 ft.; Darlington. (1 MCZC, 1 WIBF). DOMINIC.REP.: Prov. La Vega; Par.Nac.Almando Bermudez; CordilleraCent,LosTablone; 03SEP1988, 1,220m, beating; M.A.Ivie and K.A.Johnson. (2 WIBF). DOMINICAN REPUBLIC: La; Vega. Cordillera Central,; Reserva Valle Nuevo, La; Nevera, 15.3 km SE Valle; Nuevo,18-41-39N, 70-35-28W; 2,244 m, 3 June 2003 / R. Davidson, C. Young; C. Nunez, J. Rawlins, P; Acevedo, M. de La Cruz; wet montane forest with; pine. hand collected,; Sample 24542/ Carnegie Museum; Specimen Number; CMNH-349,389. (1 CMNH). DOMIN.REP: Prov. Santiago; Par.Nac. ArmandoBermudez; ElRodeo. 19u089N, 71u02W; 1,456m. 10 JULY 1992; M.A. and R.O. Ivie colrs. (2 WIBF). DOMINICAN REPUBLIC:; La Vega Prov., PN Armando; Bermudez, km 1–3 along trail; W of La Cienga, 900–1,100,; 19u 01.7539N, 70u 54.6549W; 6-VI-2005; Gino Nearns. (2 FSCA). REP. DOMIN- ICANA.; Sierra Altravezada (1,964m); Secc. Rincoin de Piedra-; San Jose de Las Matas; 6–7/III/1999. Bajo Piedra;Col. L.F de Armas, R. Bastardo/ Tenebrionidae   ; Ident. OHG 2589; Cyrtosoma merkli   ; Marcuzzi 1999; ARMASI. (1 OHGC). REP. DOMINICANA.; Sierra Altravezada (1,964m); Secc. Rincoin de Piedra-; San Jose de Las Matas; 6–7/III/1999. Bajo Piedra;Col. L.F de Armas, R. Bastardo/ Tenebrionidae   ; Ident. OHG 2588; Cyrtosoma merkli   ; Marcuzzi 1999 / red circle label. (1 OHGC).

Diagnosis. This species is similar to N. tumefactum   and N. turquinense   , but can be distinguished from N. tumefactum   by the broad, flat, apically rounded prosternal process ( Fig. 123 View Figs ) and from N. turquinense   by the elytral interstriae lightly punctate. It can be distinguished from all other species by the combination of the above characters, more acute anterior angles of the pronotum ( Fig. 122 View Figs ), and shallow V-shaped mesoventrite ( Fig. 123 View Figs ).

Redescription (modified from Marcuzzi 1999) (male). 6.5–7.5 mm long, 4.0– 5.0 mm wide. Body short, convex ( Figs. 120, 121 View Figs ). Elytra robust anteriorly, weakly tapered posteriorly ( Fig. 120 View Figs ). Glossy darkly ferrugineous to black in color; antennae, mouthparts, and tarsi ferrugineous. Head lightly punctate, sometimes appearing smooth; punctures smaller than a single eye facet, lightly impressed; extremely short golden seta emerging from each puncture. Antenna

weakly clavate, nearly filiform; antennomeres 7–10 weakly widened apically forming a loose, elongate club; apical antennomere longitudinally ovate; antennomeres 7–11 with stellate sensoria. Mentum with acute median keel raised anteriorly to a point ( Figs. 10, 12 View Figs ). Ventral portion of eye not reaching subgenal sulcus ( Fig. 8 View Figs ); postgena without distinct punctures. Dorsal surface of pronotum densely punctate; punctures separated by 1.0–1.5 diameters. Pronotal marginal bead complete laterally, anterior and posterior margins with marginal bead effaced medially; anterior angles of pronotum acute, produced and apically narrowly rounded; lateral edge of pronotum sinuate at base; pronotum evenly convex, except anterior angles weakly concave ( Fig. 122 View Figs ). Hypomeron lacking distinct punctures. Prosternal process flat, apically rounded with distinct marginal grooves opposite coxae joined apically ( Fig. 123 View Figs ). Black, except under a microscope with light elytra appearing darkly ferrugineous with rows of black squares following elytral striae; elytral striae not impressed, present as small discontinuous punctures; elytral interstriae flat, impunctate; scutellary striae short; 1–3 punctures long (often difficult to see); scutellum triangular, reduced ( Fig. 120 View Figs ). Mesoventrite thin antero-posteriorly, shallowly excavate, widely Vshaped receiving prosternal process; metaventrite,1/2 antero-postero length of mesocoxa ( Fig. 123 View Figs ). Metathoracic wing vestigial. Legs long, slender, punctate; apical 1/3 of femur reaching beyond edge of elytron; metatibia apically curved ventrally; metatibia with ventral apical tooth vestigial ( Fig. 46 View Figs ). Abdominal depressions on 4th and 5th ventrites present as moderately impressed pits ( Fig. 75 View Figs ); intercoxal process of first ventrite broadly triangular apically; ventral surface densely punctate, punctures weakly impressed ( Fig. 123 View Figs ).

Female. Identical to male, except metatibia straight and lacking ventral apical tooth.

Biology. This species has been collected in cloud forest, in high elevation pine forest on dead branches, and in overgrazed pine forest.

Distribution. This species is endemic to Hispaniola and is primarily found in La Vega Province, but also in neighboring Santiago Province. It has been collected on Mt. Diego in Santiago Province and Mt. Quita in Duarte Province ( Figs. 260 View Fig , 262 View Figs ).

Nesocyrtosoma scabrosum Hopp and Ivie   , New Species ( Figs. 47 View Figs , 124–127 View Figs , 264 View Figs , 278 View Figs )

Type Material. HOLOTYPE: Undetermined sex, probably female. Tardieu; Mt. LaHotte; 3,000 ft. / Haiti; 1934-x-14; Darlington / Nesocyrtosoma   ; sp.; Det. J. Doyen 1988. ( MCZC)   . PARATYPES (6 specimens): HAITI: Department du Sud,; Formon, Kay Michel. ; 1,100m, 603254mE,; 2026684mN, 6.11.2006,; R   . Bastardo. (3 UASD, 2 WIBF)   . HAITI: Dept. Sud’est. Formond,; alrededores Kay Michel 2026684; mN, 603254 mE, 1,100 m, 408; February 2006, coll. R   . Bastardo / Photographed ; 2002–2003; CBSD   . (1 WIBF)   .

Other Material Examined. HAITI: Department du Sud,; Formon , Kay Michel.; 1,100m, 603254mE,; 2026684mN, 6.11.2006,; R. Bastardo. (1 WIBF —disarticulated)   .

Diagnosis. This species is easily distinguished from all other Nesocyrtosoma species   by the reticulate pattern of the elytral striae and the roundly carinate interstriae ( Fig. 124 View Figs ).

Description (male). 7.5–8.0 mm long, 5.0 mm wide. Body broad, extremely convex ( Figs. 124, 125 View Figs ). Black; antennae, mouthparts and tarsi ferrugineous. Head anteriorly truncate; densely punctate dorsally, punctures smaller than a single eye facet, extremely short golden seta emerging from each puncture. Antenna weakly clavate, nearly filiform; antennomere 7–10 weakly widened apically, forming a loose, elongate club; apical antennomere longitudinally ovate; antennomeres 7–11 with stellate sensoria. Mentum with acute median keel raised anteriorly to a point ( Figs. 10, 12 View Figs ). Ventral portion of eye not reaching subgenal sulcus ( Fig. 8 View Figs ); postgena without distinct punctures. Dorsal surface of pronotum densely punctate; punctures separated by,0.5–0.5 diameters. Pronotal marginal bead complete laterally, anterior and posterior margins with marginal bead effaced medially; anterior angles of pronotum right, moderately produced and widely rounded apically; lateral edge of pronotum sinuate at base ( Fig. 126 View Figs ). Hypomeron without distinct punctures. Prosternal process apically rounded; marginal grooves opposite coxae joined apically; area between marginal grooves concave becoming convex at apex ( Fig. 127 View Figs ). Elytral striae forming a reticulate pattern; area immediately laterad punctures concave, area anterior and posterior to each puncture slightly raised, interstriae raised forming a hexagonal shape around each puncture; elytral interstriae impunctate; scutellary striae 1–3 punctures long; scutellum triangular, reduced ( Figs. 124, 126 View Figs ). Mesoventrite thin antero-posteriorly, moderately excavate, widely U-shaped, receiving prosternal process; metaventrite,1/2 antero-postero length of mesocoxa ( Fig. 127 View Figs ). Metathoracic wing vestigial. Legs long, slender, densely punctate; apical portion of femora reaching beyond edge of elytron; metatibia with longitudinal row of coarse setae on venter, curved at apex with ventral medial tooth vestigial and hidden in dense setae ( Fig. 47 View Figs ). Abdominal depressions on 4th and 5th ventrites reduced to slightly impressed slits ( Fig. 74 View Figs ); intercoxal process of first ventrite covered with long golden setae, broadly rounded apically; ventral surface densely punctate ( Fig. 127 View Figs ).

Female. Identical to male, except metatibia without ventral tooth.

Biology. Unknown.

Distribution. This species is endemic to Hispaniola and has been collected only at Formond, Dept. du Sud’est, in Haiti on the La Hotte Peninsula ( Figs. 261 View Fig , 264 View Figs ).

Etymology. The species epithet comes from the Latin word scabrēs meaning roughness, as the elytra of this species appear rough and form a reticulate pattern.

HNHM

Hungarian Natural History Museum (Termeszettudomanyi Muzeum)

WIBF

West Indian Beetle Fauna Project Collection

V

Royal British Columbia Museum - Herbarium

R

Departamento de Geologia, Universidad de Chile

CMNH

The Cleveland Museum of Natural History

FSCA

Florida State Collection of Arthropods, The Museum of Entomology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Tenebrionidae

Genus

Nesocyrtosoma

Loc

Nesocyrtosoma merkli (Marcuzzi)

Hopp, Katie J. & Ivie, Michael A. 2009
2009
Loc

Cyrtosoma (Pachycyrtosoma) merkli

Marcuzzi, G. 1999: 82
1999