Nesocyrtosoma garridoi Hopp and Ivie

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 : 60-62

Nesocyrtosoma garridoi Hopp and Ivie , New Species

( Figs. 63 , 200–203 , 266 , 294 )

Type Material. HOLOTYPE: Male. CUBA: Santa Clara.; North end of Lago del; Hanabanilla 1 July 1990; J. E. Rawlins, S. Thompson. ( CMNH). PARATYPES (3 specimens): Cayamas; 10. 6 Cuba/ E. A. Schwarz; Collector/ 988/ Platydema ; n. sp./ Nesocyrtosoma ; sp.; Det. J. Doyen 1991. (1 WIBF). Cayamas; 10. 6 Cuba/ E. A. Schwarz; Collector. (1 NMNH). MinaCarlota; TrinidadMts/ Cuba, 1917; W M Mann. (1 NMNH).

Notes. All four specimens are in poor condition; there is not a single complete specimen as all are missing legs and/or antennae. However, based on a few diagnostic characters, these specimens can be distinguished from all other species and grouped together as a distinct species.

Diagnosis. This species can be distinguished by the combination of a slender, elongate body form, elytra with deeply impressed striae ( Fig. 200 ), hypomeral bead absent, antennomeres 6–10 apically enlarged, and the presence of an ocular depression. It most closely resembles N. dentatum , but can be distinguished from that species by the absent hypomeral bead and males without a tooth on the metafemur distad the trochanter.

Description (male). 4.0– 4.5 mm long, 1.5–2.5 mm wide. Small, body slender, elongate, slightly convex ( Figs. 200, 201 ). Shining dark ferrugineous to purple; antennae, mouthparts, and tarsi ferrugineous. Head densely variably punctate; largest punctures subequal to a single eye facet, weakly to moderately impressed; extremely short golden seta emerging from each puncture. Antenna clavate, antennomeres 6–10 transverse, forming a loose club; apical antennomere subcircular; antennomeres 6–11 with stellate sensoria. Mentum with acute median keel, anteriorly raised to a point ( Figs. 10, 12 ). Ventral portion of eye not reaching subgenal sulcus ( Fig. 8 ); ventral ocular groove present; postgena without distinct punctures. Dorsal surface of pronotum densely punctate; punctures separated by 0.5–1.0 diameters. Pronotal marginal bead complete laterally, anterior margin with marginal bead effaced medially, posterior margin lacking marginal bead; anterior angles of pronotum right, weakly produced and widely rounded apically; lateral edge of pronotum evenly curved to base; pronotum evenly convex ( Fig. 202 ). Hypomeron with or without distinct punctures. Prosternal process apically rounded to a point; indistinct marginal grooves opposite coxae not joined apically ( Fig. 203 ). Elytral striae deeply impressed, present as rows of small punctures separated by 0.5– 1.0 3 diameter, with a deeply impressed line through the middle of the punctures, connecting the row of punctures; elytral interstriae roundly convex, densely punctate; scutellary striae 4–6 punctures long; scutellum triangular, normal ( Figs. 200, 202 ). Mesoventrite thin antero-posteriorly, U-shaped, excavate receiving prosternal process; metaventrite subequal to antero-postero length of mesocoxa ( Fig. 203 ). Metathoracic wing fully developed. Legs short, punctate, short golden seta emerging from each puncture; femora barely reaching beyond edge of elytron; tibiae straight ( Fig. 63 ). Abdominal depressions on 4th and 5th ventrites reduced to indistinct slits ( Fig. 74 ); intercoxal process of first ventrite apically rounded; ventral surface densely punctate, punctures moderately impressed ( Fig. 203 ).

Female. Identical to male.

Biology. Unknown.

Distribution. This species is endemic to Cuba, and has been collected in Cayamas in Cienfuegos Province, Lago del Hanabanilla in Santa Clara Province and in Miña Carlota in Las Villas Province ( Figs. 258, 258 , 266 ).

Etymology. This species is named for Orlando H. Garrido who has worked on Nesocyrtosoma and who was most kind and helpful when we visited Cuba in January 2008.

Nesocyrtosoma puertoricense Hopp and Ivie , New Species ( Figs. 64 , 204–208 , 268 , 295 )

Type Material. HOLOTYPE: Male. PUERTO RICO, Hwy.; 120,K13H8, Maricao; For.Res.,July 26,; 1979 G.B.Marshall. (from WIBF, deposited NMNH) . PARATYPES (4 specimens, males only): PUERTO RICO, Hwy.; 120,K13H8, Maricao; For.Res.,July25,; 1979 C.W.O’Brien. (1 WIBF) . PUERTO RICO; Maricao Forest , 890m,; 28–30-VII-2004; G.Nearns, beating. (2 FSCA, 1 WIBF) .

Other Material Examined (females). PUERTO RICO, Mari-; caoFor.- Res.Hwy. ; 120,K13H8, July 26,; 1979 C.W.O’Brien. (1 WIBF) . PUERTO RICO, Hwy. ; 120,K13H8, Maricao; For.Res., July 25,; 1979 C.W.O’Brien. (1 WIBF) . PUERTO RICO; GuilarteFor.Res.; Hwy. 131and158, July; 23,1979GBMarshall. (1 WIBF) . PUERTO RICO: Maricao; Forest Carr. 120, km 9–15; 18u089450N, 66u589520W; 27 July 2004 - 850-950m; Beating Vegetation; Steven W. Lingafelter. (1 NMNH) . PUERTO RICO; Maricao Forest , 890m,; 28–30-VII-2004; G.Nearns, beating. (3 FSCA) .

Notes. Although the females of this species can be identified, they can be easily confused with N. bankense and are thus not designated as paratypes.

Diagnosis. This species can be distinguished from all other species by the combination of shining bronze color, impressed elytral striae ( Fig. 204 ), absence of a hypomeral bead, antennomeres 7–10 enlarged, presence of an ocular depression, intercoxal process of first ventrite with apical nipple ( Fig. 207 ), and the presence of distinct dorsal longitudinal grooves on the tibiae ( Fig. 37 ). This species is nearly identical to N. bankense , however, it can be distinguished from that species by the shining bronze color, the presence of distinct longitudinal grooves on the tibiae ( Fig. 37 ), and the male metatibia. The males of this species have a ventral metatibial tooth at the apex ( Fig. 64 ), whereas N. bankense males have a ventral metatibial tooth proximad apex ( Fig. 62 ). This species also closely resembles N. curvum , but can be distinguished from that species by having antennomeres 7–10 enlarged and the male metatibia slender and evenly curved to the apex with a ventral apical tooth ( Fig. 64 ), whereas N. curvum has antennomeres 6–10 enlarged and the male metatibia is broad and abruptly emarginate towards the apex ( Fig. 69 ).

Description (male). 4.0– 5.5 mm long, 2.0–3.0 mm wide. Small, moderately convex, elytra widest in apical half, tapered at apex ( Figs. 204, 205 ). Shining bronze; antennae, mouthparts, and tarsi ferrugineous. Head densely variably punctate; largest punctures larger than a single eye facet, weakly to moderately impressed; extremely short golden seta emerging from each puncture. Antenna clavate, antennomeres 7–10 weakly widened apically, forming a loose club; apical antennomere subcircular; antennomeres 7–11 with stellate sensoria. Mentum with acute median keel, anteriorly raised to a point ( Figs. 10, 12 ). Ventral portion of eye not reaching subgenal sulcus ( Fig. 8 ); ventral ocular groove present ( Fig. 208 ); postgena without distinct punctures. Dorsal surface of pronotum densely punctate; punctures separated by 0.5–1.0 diameters. Pronotal marginal bead complete laterally, anterior margin with marginal bead effaced medially, posterior margin without marginal bead; anterior angles of pronotum right, weakly produced and widely rounded apically; lateral edge of pronotum evenly curved to base; pronotum evenly convex ( Fig. 206 ). Hypomeron without distinct punctures. Prosternal process apically rounded, with distinct marginal grooves opposite coxae joined apically ( Fig. 207 ). Elytral striae deeply impressed, present as rows of small punctures separated by 0.5–1.0 3 diameter, with a deeply impressed line through middle of puncture rows, connecting the row of punctures; elytral interstriae roundly convex, scarcely punctate, shagreened; scutellary striae 4–6 punctures long, nearly reaching the elytral suture; scutellum triangular, normal ( Figs. 204, 206 ). Mesoventrite broad antero-posteriorly, U-shaped, excavate, receiving prosternal process; metaventrite subequal to antero-postero length of mesocoxa ( Fig. 207 ). Metathoracic wing fully developed. Legs short, punctate; femora barely reaching beyond edge of elytra; tibiae with distinct dorsal longitudinal groove, metatibia weakly curved toward apex with tooth at apex ( Fig. 64 ). Abdominal depressions on 4th and 5th ventrites reduced to indistinct slits ( Fig. 74 ); intercoxal process of the first ventrite apically rounded; ventral surface densely punctate, punctures weakly impressed ( Fig. 207 ).

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

Biology. This species has been taken by beating vegetation.

Distribution. This species is endemic to Puerto Rico. It has been collected in Guánica, Maricao Forest, Guilarte, and Camalache Forest Reservation ( Fig. 268 ).

Etymology. This species is named for the island of Puerto Rico.

Figures

Figs. 62–73. Male metatibia of the Serrania species-group species. 62) N. bankense; 63) N. garridoi; 64) N. puertoricense; 65. N. serratum; 66) N. skelleyi; 67) N. nearnsi; 68) N. teresitae; 69) N. curvum; 70) N. guerreroi; 71) N. virens; 72) N. cubanense; 73) N. dentatum.

Figs. 200–208. 200–203: Nesocyrtosoma garridoi. 200) Habitus, dorsal; 201) Habitus, lateral; 202) Pronotum; 203) Thoracic sterna. 204–208: Nesocyrtosoma puertoricense. 204) Habitus, dorsal; 205) Habitus, lateral; 206) Pronotum; 207) Thoracic sterna; 208) Ocular depression.

Figs. 265–267. Nesocyrtosoma species distribution maps. 265) Distributions of N. gebieni, N. hispaniolae, N. neibaense, N. inflatum, N. skelleyi, and N. nearnsi; 266) Distributions of N. mutabile, N. garridoi, N. guerreroi, and N. cubanense; 267) Distributions of N. larseni and N. cuprosum.

Figs. 293–304. Illustrations of male genitalia in dorsal and lateral view of the Serrania species-group species. 293) Nesocyrtosoma bankense; 294) N. garridoi; 295) N. puertoricense; 296) N. serratum; 297) N. skelleyi; 298) N. nearnsi; 299) N. teresitae; 300) N. curvum; 301) N. guerreroi; 302) N. virens; 303) N. cubanense; 304) N. dentatum.

Figs. 10–18. 10–13: Ventral portion of head. 10) Nesocyrtosoma guerreroi ocular depression; 11) Nesocyrtosoma bankense ocular depression; 12) Nesocyrtosoma virens distinct postgenal punctures; 13) Nesocyrtosoma otus median keel of mentum broad. 14–18: Antenna. 14) Nesocyrtosoma crenulatum with antennomeres 10 and 11 with stellate sensoria; 15) Nesocyrtosoma guerreroi with antenna clavate, apical six antennomeres enlarged to form club; 16) Nesocyrtosoma crenulatum with antenna moderately clavate, apical six antennomeres enlarged to form club; 17) Nesocyrtosoma inflatum with antenna weakly clavate, nearly filiform, apical six antennomeres enlarged to form club; 18) Strongylium atrum with filiform antenna.

Figs. 5–9. 5–7: Mandible of Nesocyrtosoma hispaniolae. 5) View from back; 6) View from side; 7) View from front. 8–9: Ventral portion of eye. 8) Nesocyrtosoma lacrima with ventral portion of eye not reaching the subgenal sulcus; 9) Nesocyrtosoma darlingtoni with ventral portion of eye reaching the subgenal sulcus.

Figs. 74–76. Abdominal characters. 74) Nesocyrtosoma inflatum with abdominal depressions on 4th and 5th ventrites reduced to indistinct slits (AbS 5 abdominal slits); 75) Nesocyrtosoma otus with abdominal depressions on 4th and 5th ventrites present as impressed pits (AbP 5 abdominal pits); 76) Nesocyrtosoma skelleyi with first visible abdominal ventrite with a nipple at the apex.

Figs. 258–259. Maps of provinces of Cuba. 258) Provinces of Cuba from 1976 to present; 259) Provinces of Cuba prior to 1976.

Figs. 268–269. Nesocyrtosoma species distribution maps. 268) Distributions of N. bankense, N. curvum, and N. puertoricense; 269) Distribution of N. lacrima on Montserrat.

Figs. 35–38. Characters of the legs. 35) Nesocyrtosoma inflatum with trochanters reduced and setose; 36) Nesocyrtosoma otus with metafemur emarginate at apex; 37) Nesocyrtosoma virens with protibia with dorsal longitudinal groove; 38) Nesocyrtosoma serratum with ventral metatibial serrations.