Cerabilia (C.) takaka Larochelle and Larivière, 2024

Larochelle, Andre & Larivière, Marie-Claude, 2024, Synopsis of the genus Cerabilia Laporte de Castelnau in New Zealand (Coleoptera: Carabidae: Abacetini), Insecta Mundi 2024 (36), pp. 1-31 : 4-5

Key to species of Cerabilia (Cerabilia)

1. Pronotum with a single setiferous puncture on each side (anteriorly)............................ 2

— Pronotum with two setiferous punctures on each side (anteriorly and posteriorly)................ 5

2(1). Elytra with a single setiferous puncture on interval 3 (medially); scutellar setiferous pore present at base of stria 2............................................................................ 3

— Elytra without a setiferous puncture on interval 3; scutellar setiferous pore absent at base of stria 2.. 4

3(2). Larger, body length 8.7–11.1 mm. Microsculpture weak on head. Head very large compared to pronotum. Eyes small. Tempora strongly inflated (about as long as eyes). Pronotum widest basally; apex subtruncate; inner laterobasal foveae oblique. Elytra with basal margin slightly arcuate, reaching base of stria 1. Fig. 28 . [Northwestern South Island (NN, mostly Abel Tasman National Park area )]

................................ Cerabilia (C.) takaka Larochelle and Larivière , new species

— Smaller, body length 6.3–7.4 mm. Microsculpture strong on head. Head small compared to pronotum. Eyes moderately large. Tempora not inflated. Pronotum widest before middle; apex strongly emarginate; inner laterobasal foveae parallel. Elytra with basal margin strongly arcuate, reaching scutellum. Fig. 29 . [Northwestern South Island (NN, west of Abel Tasman National Park area )].................................. Cerabilia (C.) kaihoka Larochelle and Larivière , new species

4(2). Pronotum subquadrate; sides moderately rounded anteriorly, not sinuate or slightly sinuate posteriorly; posterolateral angles rounded. Elytra subdepressed; intervals depressed; apices obtusely rounded. Tip of scutellum ( Fig. 7 ) strongly projected behind elytral base. Fig. 30 . [Body length 6.9–8.4 mm; southern South Island (CO, DN, MK)]............. Cerabilia (C.) maori Laporte de Castelnau

— Pronotum subcordate; sides strongly rounded anteriorly, moderately sinuate posteriorly; posterolateral angles subrectangular. Elytra moderately convex; intervals slightly convex; apices obtuse. Tip of scutellum ( Fig. 6 ) slightly projected behind elytral base. Fig. 31 . [Body length 7.5–8.8 mm; South Island (MK)]......................... Cerabilia (C.) cordata Larochelle and Larivière , new species

5(1). Elytra with a scutellar setiferous pore at base of stria 2. Tempora moderately inflated (about two-thirds as long as eyes). Pronotum with inner laterobasal foveae deep. Fig. 32 . [Body length 7.9–8.4 mm; southern North Island (RI, WA, WN), northeastern South Island (MB, SD)]..................................................... Cerabilia (C.) willi Larochelle and Larivière , new species

— Elytra without a scutellar setiferous pore. Tempora not inflated. Pronotum with inner laterobasal foveae shallow............................................................................. 6

6(5). Pronotum widest basally; lateral beads gradually widened from apex to base; laterobasal foveae double; base much wider than apex. Elytra widest before middle................................... 7

— Pronotum widest before middle; lateral beads mostly narrow from apex to base; laterobasal foveae single (outer foveae absent); base about as wide as apex or narrower than apex. Elytra widest about middle .................................................................................... 8

7(6). Larger, body length 10.8–11.4 mm. Head, pronotum, and elytra piceous black; dorsal surface dull. Terminal segment of palpi obtuse apically. Pronotum rectangular, obsoletely wrinkled medially and mediobasally; sides nearly straight posteriorly. Elytra slightly convex; sides strongly rounded; striae shallow. Tip of scutellum ( Fig. 6 ) slightly projected behind elytral base. Fig. 33 . [Central and northeastern South Island (KA, MC, MK)].......................... Cerabilia (C.) major (Broun)

— Smaller, body length 8.1–8.3 mm. Head and pronotum rufopiceous; elytra piceous black; dorsal surface shiny. Terminal segment of palpi truncate apically. Pronotum subquadrate, unwrinkled; sides slightly sinuate posteriorly. Elytra moderately convex; sides moderately rounded; striae deep. Tip of scutellum ( Fig. 7 ) strongly projected behind elytral base. Fig. 34 . [Northeastern South Island (NC, Motunau Island)].............. Cerabilia (C.) motunau Larochelle and Larivière , new species

Figures

Figures 28–31. Dorsal habitus. 28) Cerabilia takaka new species. 29) C. kaihoka new species. 30) C. maori. 31) C. cordata new species. Scale line = 1 mm.

Figures 1–13. Illustrations of Cerabilia morphology. 1–4) Microsculpture. 1) Granulate. 2) Isodiametric. 3) Moderately transverse. 4) Very transverse. 5) Head: frons with oblique strioles (os). 6–7) Tip of scutellum. 6) Slightly projected behind elytral base.7) Strongly projected. 8–13) Aedeagus, lateral.8) Cerabilia takaka new species. 9) C. kaihoka new species. 10) C. maori. 11) C. willi new species. 12) C. major. 13) C. motunau new species (apical half).

Figures 32–35. Dorsal habitus. 32) Cerabilia willi new species. 33) C. major. 34) C. motunau new species (holotype). 35) C. rugosa new species. Scale line = 1 mm.