Ischyrosonychini Chapuis 1875
Creators: name: Sekerka, Lukáš
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae

description: Key to genera of Ischyrosonychini
1 Basal corners of pronotum acute and more or less projecting backwards. ..................... 2
– Basal corners of pronotum rounded. ............................................................................... 3
2 Body elongate and parallel-sided; explanate margin of elytra narrow and equally wide in whole length. .............................................................................. Eurypedus Gistel, 1834
– Body oval with distinctly rounded lateral sides; explanate margin of elytra broad, distinctly widened around midlength. ........................................... Cistudinella Champion, 1894
3 Antennomere III much longer than II. ............................................................................. 4
– Antennomeres II and III subequal in length. ......................... Eurypepla Boheman, 1854
4 Tarsal claws simple. ......................................................................................................... 5
– Tarsal claws with large basal tooth. ............................................... Enagria Spaeth, 1913
5 Antennae bicolourous with yellow basal and distal black antennomeres; species outside Caribbean. ........................................................................................................................ 6
– Antennae uniformly yellow; Cuba and Hispaniola. .................. Asteriza Chevrolat, 1836
6 Antennae slimmer and longer, along head extending beyond basal margin of pronotum to elytral epipleura with at least two apical antennomeres; mostly South American species. ......................................................................................................................................... 7
– Antennae shorter and stouter, along head reaching to elytral epipleura only with apex of antennomere XI; Mesoamerican species, only three species reaching to South America. ................................................................................................ Physonota Boheman, 1854
7 Antennae with three shiny and sparsely pubescent basal antennomeres. Apex of elytra sparsely pubescent. .......................................................................................................... 8
– Antennae with four shiny and sparsely pubescent basal antennomeres. Apex of elytra bare. ................................................................................................. Orexita Spaeth, 1911
8 Body broadly oval; elytra uniformly yellow; Guatemala and Mexico. .............................. ................................................................................................. Platycycla Boheman, 1854
– Body subcordiform; each elytron on underside with broad black stripe enclosing common orbicular yellow spot on the top of elytra; Colombia and Ecuador. ................................... ........................................................................................................... Aidoia Spaeth, 1952
description: Published as part of Sekerka, Lukáš, 2016, Taxonomic and nomenclatural changes in Cassidinae (Coleoptera: Chrysomelidae), pp. 275-344 in Acta Entomologica Musei Nationalis Pragae 56 (1) on pages 308-309, DOI: 10.5281/zenodo.5305725