Clavicornaltica dali, Konstantinov, Alexander S. & Duckett, Catherine N., 2005

Konstantinov, Alexander S. & Duckett, Catherine N., 2005, New species of Clavicornaltica Scherer (Coleoptera: Chrysomelidae) from continental Asia, Zootaxa 1037, pp. 49-64 : 54-56

Clavicornaltica dali new species

( Figs 1 , 6 , 9, 11 , 16 )

Description. Body length 1.13–1.24 mm, width 0.78–0.82 mm, light chestnut brown. Vertex relatively densely covered with large punctures. Midfrontal sulcus present. Pronotum lightly punctate ( Fig. 1 ). Elytron less convex in lateral view ( Fig. 6 ), bearing 9 rows of punctures, more prominent in middle ( Fig. 1 ). Intercoxal prosternal process low, not reaching beyond procoxae ( Fig. 9 ). Metasternum with middle as flat as sides ( Fig. 9 ).

Mesofemora slender ( Fig. 11 ). Metafemora 1.46 times longer than wide, with maximum width near middle. Metatibia 5 times longer than wide, with maximum width near middle (in ventral view). Proportions of metatarsomeres (starting with first) as follows: 11:5:4:7. Male wingless. Median lobe of aedeagus widening towards apex ( Fig. 16 ), lateral margin in ventral view making “step” before apex, apex with acute, well defined denticle. Ventral groove of median lobe deeper apically than basally. Basal part of aedeagus longer than apical part in lateral view. Female unknown.

Type material. Holotype ɗ. Labels: 1) China. Yunnan, Dali env. Cangshan Mts. 22.V.2002, moss 3300m N25°41'09" E100°06'24" leg. A. Konstantinov & M. Volkovitsh; 2) Holotype Clavicornaltica dali sp. nov. des. A. Konstantinov and C. Duckett ( IZAS). Paratype. The same label as holotype ( USNM), one moreɗ paratype with the same label, except 21.V.2002 ( USNM).

Diagnosis. Clavicornaltica dali is the only Clavicornaltica species known so far, in which males are wingless. It can be separated from other species from China and Vietnam based on the key below.

Etymology. The specific epithet is a noun in apposition based on the type locality.

Remarks. The specimens of this species were collected in moss, under low Rhododendron spp. trees.

Figures

FIGURE 1. Dorsal habitus, Clavicornaltica dali, sp. nov.

FIGURES 5 – 8. Lateral silhouettes of Clavicornaltica spp. 5, C. lonsheng. 6, C. dali. 7, C. tamdao. 8, C. vietnamensis.

FIGURES 9 – 13. Ventral views of Clavicornaltica legs and sternal structures. 9, meso­ and metasterna of C. dali. 10, meso­ and metasterna of C. longsheng. 11, 12, 13, ventral view of leg and abdomen of C. tamdao.

FIGURES 16 – 18. Median lobes of the aedeagi of Clavicornaltica species, ventral views shown at left and lateral views at right. 16, C. dali. 17, C. tamdao. 18, C. vietnamensis.