Tylodinus sepulturaensis Luna-Cozar, 2014

Luna-Cozar, Jesús, Anderson, Robert S., Jones, Robert W. & León-Cortés, Jorge L., 2014, A taxonomic monograph of the genus Tylodinus Champion (Coleoptera: Curculionidae: Cryptorhynchinae: Tylodina) of Chiapas, Mexico, Zootaxa 3788 (1), pp. 1-63 : 33

17. Tylodinus sepulturaensis Luna-Cozar , sp. nov.

( Figures 10 , 58–59 , 110 , 130 )

Diagnosis. Length male, 4.2–4.5 mm, female, 4.0– 4.5 mm. Width male, 2.1–2.3 mm, female 2.0– 2.3 mm. As for T. triumforium , with the follow exceptions: body approximately 2.1x longer than wide. Elytra without light scales on tubercles. Male genitalia ( Figure 110 ) with apical process in ventral view longer. Female genitalia with median membranous area of sternite eight 2/3 as long as basal plate, spermatheca very shallowly curved.

Geographic distribution. México ( Chiapas).

Habitat and elevation. Specimens were collected from leaf litter in oak and cloud forest between 1300–1400 m.

Derivation of specific name. Name derived from the Latin word sepulturaensis = grave, sepulture, and La Sepultura, the name of the protected natural area where the species was collected.

Material examined. Total 7 males, 4 female. Holotype male ( CMNC): México: Chiapas, Villa Corzo , Ejido Sierra Morena, Reserva de la Biósfera La Sepultura, ( 16° 09' N, 93° 36'28.5"W), elev. 1372 m, 14.vii.2007. J.L. Cozar, hojarasca. Paratypes: México: Chiapas, Villa Corso, Ejido Sierra Morena, R . Biosfera La Sepultura , elev. 1300 m ( 16°9'21.2''N, 93°36'2.9''W), 17.vii.2007, coll. R . S. Anderson — 1 female ( CMNC); same locality, elev. 1367 m ( 16.16121°N, 93.60024°W), 12.v.2008, coll. R . S. Anderson — 1 male, 1 female ( CMNC); same locality, 1348 m, ( 16°09.620’N 93°36.343’W), 12.v.2008, coll. R . S. Anderson — 1 male ( CMNC); Villa Flores, Sierra Morena , elev. 1390 m ( 16°9'22.7'' N, 93°35'57.1'' W), 24.vi.2006, coll. J. L. Cozar — 1 male ( ECOS); same locality, elev. 1360 m ( 16.16036°N, 93.60511°W), 12.v.2008, LLAMA (Wa-A-01-1-42) — 1 male ( ECOS); same locality, elev. 1330 m ( 16.15282°N, 93.60067°W), 12.v.2008, LLAMA (Wa-A-01-2-39) — 1 male ( CMNC); same locality, elev. 1330 m ( 16.15296°N, 93.60042°W), 12.v.2008, LLAMA (Wa-A-01-2-45) — 1 female ( CMNC); same locality, elev. 1310 m ( 16.15453°N, 93.60080°W), 12.v.2008, LLAMA (Wa-A-01-2-06) — 1 female ( ECOS); same locality, elev. 1360 m ( 16.15948°N, 93.60516°W), 12.v.2008, LLAMA (Wa-A-01-1-04) — 1 male ( CMNC) ;

Figures

FIGURES 1–11. 1–5. Dorsal outline: 1. Generalized Tylodinus, indicating terminology used in this study. Key: letters indicate areas of pronotum. A, anterior area; B, median area; C, posterior area; a, anterior of lateral area; b, median section of lateral area; c, median section of dorsal area; d, anterior section of dorsal area; e, posterior section of lateral area; f, posterior section of dorsal area. 2. Tylodinus variabilis, note elytra basal margin straight. 3. Tylodinus ixchel, note elytra basal margin slightly sinuate. 4. Tylodinus immundus, note elytral basal margin sinuate. 5. Tylodinus elongatus, note elytra basal margin very sinuate. 6–11. Lateral outline: 6. Tylodinus complicatus, male, note ventrites 3–5 in same plane as ventrites 1–2. 7. Tylodinus variabilis, male, note ventrites 3–5 not in same plane as ventrites 1–2. 8. Tylodinus coapillensis, female, note ventrites 1–2 strongly convex, ventrites 3–5 not in same plane as ventrites 1–2. 9. Tylodinus zilchi (schematic). 10. Tylodinus sepulturaensis (schematic) 11. Tylodinus rugosus (schematic).

FIGURES 52–59. Dorsal and lateral habitus: 52–53. Tylodinus coapillensis, 54–55. Tylodinus leoncortesi, 56–57. Tylodinus triumforium, 58–59. Tylodinus sepulturaensis.

FIGURES 110–119. Ventral and lateral habitus of median lobe: 110. Tylodinus sepulturaensis, 111. Tylodinus lum, 112. Tylodinus spiniventris, 113. Tylodinus mutabilis, 114. Tylodinus parvus, 115. Tylodinus pusillus, 116. Tylodinus porvenirensis, 117. Tylodinus elongatus, 118. Tylodinus complicatus, 119. Tylodinus rufus.

FIGURES 130–131. Map showing collecting sites. 130. Occurrences in México (Chiapas) and Central America of: Tylodinus zilchi (El Salvador, Honduras); Tylodinus andersoni (México), Tylodinus canaliculatus (México, Guatemala), Tylodinus triumforium (México), Tylodinus sepulturaensis (México), Tylodinus cavicrus (Guatemala), Tylodinus pseudocavicrus (México); 131. Occurrences in Chiapas, México of: Tylodinus complicatus, Tylodinus ixchel, Tylodinus dominicus, Tylodinus immundus, Tylodinus porvenirensis, Tylodinus branstetteri.