Tylodinus parvus Luna-Cozar

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: 39

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Tylodinus parvus Luna-Cozar

sp. nov.

21. Tylodinus parvus Luna-Cozar   , sp. nov.

( Figures 66–67 View FIGURES 60–67 , 114 View FIGURES 110–119 , 133 View FIGURES 132–133 )

Diagnosis. Length male, 2.0– 2.5 mm. Width male, 1.1–1.2 mm. As for T. mutabilis   with follow exceptions: body approximately 1.9x longer than wide. Head with dark brown scales; vertex with scales similar in coloration and tonality to scales on head, dense to contiguous. Pronotum in lateral outline with anterior constriction and without posterior constriction; disc hollowed. Base of elytra declivity with tubercle on I2 smaller than tubercle on I4. Metasternum flat. Male abdomen with ventrite 1 feebly concave, ventrite 2 glabrous at median section. Male genitalia ( Figures 114 View FIGURES 110–119 ) with median lobe in lateral view stout. Female unknown.

Geographic distribution. México (Chiapas).

Habitat and elevation. The two known specimens were collected from leaf litter in cloud forest at 1500 m.

Derivation of specific name. Name derived from Latin word parvus   = small, little, smallest.

Material examined. Total 2 males. Holotype male ( CMNC): México: Chiapas, Trinitaria, Lagunas de Montebello, Cinco Lagos , elev. 1500 m (16°6’13.32’’N, 91°40’46.2’’W), 21.ix.1991, coll. R GoogleMaps   . S. Anderson. Paratype: Same data as holotype— 1 male ( CMNC) GoogleMaps   .


Departamento de Geologia, Universidad de Chile