Tylodinus wibmeri 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 : 26

11. Tylodinus wibmeri Luna-Cozar , sp. nov.

( Figures 48–49 , 132 )

Diagnosis. Length female, 3.8 mm. Width female, 1.9 mm. As for T. buchanani with the following exceptions: head with yellow scales, vertex with scales similar in coloration and tonality as head scales; frons moderately concave. Elytra with basal margin sinuate, tubercles similar to T. jonesi , surface with fine granules, stria 10 complete. Metasternal tooth weak. Abdomen with ventrite 2 with a transverse line of scales. Hind femur length extended near to elytral apex, front tibiae sinuate, narrowly carinate on internal margin, middle and hind tibiae subparallel, wide at 1/3 basal on external margin, premucro present. Male unknown. Female genitalia with tergite eight constricted, apex slightly curved, sternite eight sub-trapezoidal, median membranous area ½ as long as length of basal plate, spermatheca very shallowly curved, ramus and nodulus indistinct.

Geographic distribution. México (Chiapas).

Habitat and elevation. The holotype was collected from leaf litter in high elevation cloud forest at 2000 m.

Derivation of specific name. Patronym, named after Guillermo J. Wibmer ( U.S.A.), a well-known worker on weevils.

Material examined. Total 1 female. Holotype female ( CMNC): México: Chiapas, Motozintla , 7 km SSW Motozintla de Mendoza, elev. 2000 m (15°19'40.8''N, 92°16'34.7''W), 17.ix.1992, coll. R. S. Anderson.

Figures

FIGURES 44–51. Dorsal and lateral habitus: 44–45. Tylodinus ixchel, 46–47. Tylodinus jonesi, 48–49. Tylodinus wibmeri, 50–51. Tylodinus variabilis.

FIGURES 132–133. Maps showing collecting sites. 132. Occurrences in Chiapas, México of: Tylodinus intzin, Tylodinus variabilis, Tylodinus exiguus, Tylodinus mutabilis, Tylodinus wibmeri, Tylodinus elongatus; 133. Occurrences in Chiapas, México of: Tylodinus leoncortesi, Tylodinus buchanani, Tylodinus pusillus, Tylodinus gibbosus, Tylodinus kissingeri, Tylodinus parvus.