Tylodinus coapillensis 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 : 28-30

13. Tylodinus coapillensis Luna-Cozar , sp. nov.

( Figures 18 , 52–53 , 134 )

Diagnosis. Length female 2.3–3.0 mm. Width female 1.1–1.3 mm. Head and rostrum with brown scales; vertex with two patches of white scales; frons concave; rostrum moderately convex, surface moderately carinate, punctures similar to those of head. Elytra with small, shallow punctures, without granules; tubercle distribution as follows: I2 with small spine-shaped tubercle in front of base of elytral declivity, I3 with two tubercles: first tubercle subbasal, second tubercle smaller than first tubercle at middle of elytra, I4 with tubercle at base of declivity, I5 with tubercles similar in shape and position as tubercles on I3, I7 with two tiny tubercles: first tubercle between tubercles on I3, second tubercle in front of base of declivity. Metasternum flat. Abdomen with aciculate scales, shorter on sides; ventrite 2 with a transverse line of scales; ventrite 5 with aciculate scales on anterior half, with long setae on posterior half, becoming short and narrow to apex. Tibiae subparallel, front tibiae with internal margin moderately sinuate. Male unknown.

Geographic distribution. México (Chiapas). Habitat and elevation. Specimens were collected from leaf litter in cloud forest between 1900–2000 m. Derivation of specific name. Named from Latinized adjective meaning ‘‘coapilla,’’ after the type locality. Material examined. Total 3 females. Holotype female ( CMNC): México : Chiapas, Coapilla , ca. 10.5 km NE Coapilla, elev. 1900 m (17°9'55.1"N, 93°8'20.4"W), 13.vii.2007, coll. R. S. Anderson. Paratype: Same data as holotype, 1 female ( CMNC); 5 km NE Coapilla, elev. 1990 m (17.17550°N, 93.13198°W), 25.v.2008, LLAMA (Wa-A-04-1-29)— 1 female ( CMNC) .

Figures

FIGURES 12–19. 12. Tylodinus pusillus head a) male, b) female. 13–14. Dorsal habitus of pronotum showing the lateral side of pronotum 13. Tylodinus andersoni, 14. Tylodinus porvenirensis. 15–17. Dorsal habitus: 15. Tylodinus rugosus, 16. Tylodinus exiguus, 17. Tylodinus jonesi. 18. Tylodinus coapillensis note tubercle on elytra declivity base, 19. Tylodinus elongatus showing metasternal tooth.

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

FIGURES 134–135. Maps showing collecting sites. 134. Occurrences in Chiapas, México of: Tylodinus rufus, Tylodinus kuscheli, Tylodinus pappi, Tylodinus jonesi, Tylodinus coapillensis; 135. Occurrences in Chiapas, México of: Tylodinus spiniventris, Tylodinus lum, Tylodinus noctis, Tylodinus pinguis, Tylodinus rugosus.