Stigmoderini, Lacordaire, 1857

Pineda, Cristian R., Koike, Ricardo M. & Barros, Rafael C., 2019, A new genus and species of Stigmoderini Lacordaire, 1857 (Coleoptera: Buprestidae: Buprestinae) from Southeast Brazil with notes on its hypothesized mimicry complex, Zootaxa 4686 (4), pp. 542-550 : 547

Key to the genera of New World Stigmoderini

1 Mouthparts not prolonged into rostrum.................................................................... 2

1’ Mouthparts prolonged into rostrum....................................................................... 6

2 Antennae with setae as long or longer than antennomeres, serrate antennomeres with tooth triangular, widest towards apex.. ................................................................................................... 3

2’ Antennae with setae much shorter than antennomeres, serrate antennomeres with tooth rounded, widest towards middle.......................................................................................... Hiperantha Gistel

3 Elytra with interstriae raised............................................................................. 4

3’ Elytra with interstriae raised only on apical third; lateral margins raised, swollen and emarginate past humeri.................................................................................................. Agrilozodes Théry

4 Setae concentrated on elytral striae.......................................................... Brasinota Moore

4’ Setae concentrated in other parts of elytra.................................................................. 5

5 Pronotum without lateral carina; elytral apex with either four or five small, arcuate teeth................ Bilyesta Bellamy

5’ Pronotum with lateral carina; elytral apex serrate or dentate................................. Lasionota Mannerheim

6 Elytra with striae and interstriae, interstriae flat, convex or alternate between the two; disc of pronotum mainly convex or flattened............................................................................................... 7

6’ Elytra without striae and interstriae, with a single longitudinal costa; pronotum with sides diverging strongly from base; disc mainly concave..................................................................... Lampygnatha gen. nov.

7 Pronotum with sides abruptly constricted to anterior angle; frons excavated.............. Semiognatha Moore & Lander

7’ Pronotum with sides curved, sinuate or straight, not abruptly constricted to anterior angle; frons with or without median groove, not excavated.................................................................... Conognatha Eschscholtz