Carinicateres, Kolibáč, 2021

Kolibáč, Jiří, 2021, Carinicateres merkli gen. et sp. nov. from Thailand, with notes on identification of two lophocateride beetles used in recent molecular phylogenies (Cleroidea Lophocateridae), Zootaxa 4985 (4), pp. 482-492 : 483

Carinicateres gen. nov.

urn:lsid:zoobank.org:act:FAF83A71-ABBB-412C-A201-7EED683570E7

Type species: Carinicateres merkli sp. nov.

Diagnosis: The new genus is characterised by the following morphological features: 1) cranium with deep and distinctly emarginate frontoclypeal suture ( Fig. 1 CD), 2) antenna 10-segmented with 2-segmented club ( Fig. 2 AB), 3) dorsal sculpture of cranium composed of large impressions with seta in middle ( Fig. 2A ), 4) mandible with mola ( Fig. 3C ), 5) prementum divided into two parts ( Fig. 3B ), 6) tarsal formula 4-4-4 ( Figs 2E , 3 DE), 7) elytron with 2 complete and 3 shortened carinae ( Fig. 2D ).

The new genus belongs to a group of lophocateride genera with distinct mola and deeply emarginate frontoclypeal suture (‘Lophocaterini’ sensu Kolibáč 2006, 2008, 2013). It shares divided prementum and structure of lacinia with Indopeltis Crowson, 1966 , while five elytral carinae and distinct dorsal pubescence resemble Trichocateres Kolibáč, 2010 . All three lophocaterine genera share crenulate lateral margins of pronotum, and coarse dorsal sculpture of cranium, however, tarsal formula, characteristic structure of elytral carinae, and antenna (points 2, 6, 7 above) are unique synapomorphies of Carinicateres gen. nov.

Etymology: The name is derived from the presence of the distinct elytral carinae and the root - cateres. Gender: masculinum.

Figures

FIGURE 1. Carinicateres merkli sp. nov.: (A) holotype, dorsal view; (B) one of paratypes, dorsal view; (C) head and anterior margin of pronotum, dorsal view; (D) head and pronotum, anterior view.

FIGURE 2. Carinicateres merkli sp. nov.:(A) head dorsally (mouthparts removed); (B) head ventrally (mouthparts excl.mentum removed); (C) prothorax ventrally (left leg removed); (D) elytron; (E) meso- and metathorax ventrally (left legs removed); (F) mesonotum; (G) abdominal ventrites.

FIGURE 3. Carinicateres merkli sp. nov.: (A) maxilla; (B) labium excl. submentum; (C) right mandible ventrally; (D) protarsus with apex of tibia; (E) mesotarsus with apex of tibia; (F) aedeagus dorsally; (G) aedeagus ventrolateral view; (H) ovipositor dorsally; (I) wing.