Cachiporrini Chamorro & Konstantinov

Chamorro, Maria Lourdes & Konstantinov, Alexander S., 2011, Cachiporrini, a remarkable new tribe of Lamprosomatinae (Coleoptera, Chrysomelidae) from South America, ZooKeys 78, pp. 43-60 : 47

Cachiporrini Chamorro & Konstantinov trib. n.

Type genus.

Cachiporra Chamorro & Konstantinov

Diagnosis.

Body small, about 1.8 mm in length, moderately shiny, black. Head without midcranial and frontal sutures. Frontoclypeus swollen, notched in middle. Eye entire, not notched. Antenna capitate with last 4 antennomeres tightly fused to form sphere (Figs 16, 18).

Pronotum basally sinuate (Fig. 15), medially extending posterad beyond elytral base. Side swollen and bent ventrally so that lateral border not visible from above (Figs 17, 18). Lateral border of pronotum situated close to posterior margin of prosternum leaving hypomera extremely thin and limiting prosternum to small triangle.

Scutellum triangular, equilateral, small (Fig. 15). Side of elytron with long lobe directed ventrally covering significant part of metepisternite. Epipleura vertical, evenly narrow throughout (Fig. 11). Elytral punctation confused with weak tendency to form rows (Fig. 15). Each puncture of pronotum and elytra with light-colored seta. Tibial apices without long setae and without excavation. Tarsal claws simple and free. Last abdominal ventrite without stridulatory file on distal border. Pygidium exposed (Fig. 18).