Tylodinus lum 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 : 34

18. Tylodinus lum Luna-Cozar , sp. nov.

( Figures 60–61 , 111 , 135 )

Diagnosis. Length male, 3.8–4.0 mm, female, 3.5–3.7 mm. Width male, 1.7–1.9 mm, female 1.5–1.8 mm. Head with light brown scales, vertex with patch of yellow scales, rostrum with yellow scales, moderately dense, surface with deep punctures. Metasternum, concave, clothed with setigerous scales. Male abdomen with ventrite 1 concave, ventrite 2 longer than 3–4 combined, weakly concave, ventrite 5 as long as ventrite 1; female lacking projection on ventrite 5. Male genitalia ( Figure 111 ) with the median lobe in lateral view strongly curved, stout; in ventral view as long as half apodeme length.

Geographic distribution. México (Chiapas).

Habitat and elevation. Specimens were collected from leaf litter in high elevation cloud forest between 2000–2750 m.

Derivation of specific name. Noun in apposition: after the Tzotzil word lum , meaning earth

Material examined. Total 8 males, 13 females. Holotype male ( CMNC): México: Chiapas, San Cristóbal de las Casas, Cerro Huitepec (pico) 5 km W San Cristóbal, elev. 2750 m (16°44'33''N, 92°41'38.4''W), 15.ix.1991, coll. R . S. Anderson. Paratypes: México: Chiapas, Coapilla, 7.3 km NE Coapilla, elev. 2200 m (17°10'59.88''N, 93°7'.12''W), 12.vii.2007, coll. M. G. Branstetter — 1 male ( CMNC); Huixtán, San Cristobal de las Casas Airport , elev. 2350 m (16°41'25.08''N, 92°31'48''W), 25.vii.2005, coll. R . S. Anderson — 1 female ( CMNC); Bazoom , elev. 2450 m (16°44'19.0''N, 92°29'18.3''W), 9.vii.2003, coll. R . S. Anderson — 1 male ( CMNC); San Cristóbal de las Casas , 21 km W San Cristóbal, elev. 2000 m (16°44'32.6''N, 92°48'43.6''W), 20.ix.1991, coll. R . S. Anderson — 1 female ( CMNC); Cerro Huitepec (pico) 5 km W San Cristóbal, elev. 2750 m (16°44'33''N, 92°41'38.4''W), 15.ix.1991, coll. R . S. Anderson — 1 male ( CMNC); Reserva Huitepec , elev. 2500 m (16°44'42.7''N, 92°40'52''W), 24.i.1995, coll. R . Jones, B. Gomez — 1 male ( ECOS); same locality, 20.vi.1995, coll. R . Jones — 2 females ( UAQM); same locality, 14.xi.1995, coll. B. Gómez, M. Girón — 2 females ( ECOS); same locality, 17.vi.2004, coll. J. L. Cozar, M. Girón — 1 female ( ECOS); same locality, 3.vii.2006, coll. J. L. Cozar — 1 female ( ECOS); same locality, 2400 m (16°44.795’N 92°41.050’W), coll. R . S. Anderson — 1 female ( CMNC); same locality, 2450 m (16°45’84”N 92°10’70”W), 11.vii.2003, coll. R . S. Anderson — 2 females ( CMNC); same locality, 2300 m, 15.vii.2005, coll. R . S. Anderson — 1 female ( CMNC); same locality, 2480 m (16.75018°N, 92.68284°W), 29.v.2008, LLAMA (Wa-A-05-2-40) — 1 male ( CMNC); same locality, 2480 m (16.75100°N, 92.68270°W), 29.v.2008, LLAMA (Wa-A-05-2-19) — 1 female ( CMNC) .

Figures

FIGURES 60–67. Dorsal and lateral habitus: 60–61. Tylodinus lum, 62–63. Tylodinus spiniventris, 64–65. Tylodinus mutabilis, 66–67. Tylodinus parvus.

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 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.