Triarius Jacoby, 1887

Viswajyothi, Keezhpattillam & Clark, Shawn M., 2022, New World genera of Galerucinae Latreille, 1802 (tribes Galerucini Latreille, 1802, Metacyclini Chapuis, 1875, and Luperini Gistel, 1848): an annotated list and identification key (Coleoptera: Chrysomelidae), European Journal of Taxonomy 842, pp. 1-102 : 35

Genus Triarius Jacoby, 1887

Triarius Jacoby, 1887: 571 (type species Triarius mexicanus Jacoby, 1887 , by monotypy).

Remarks

This genus includes seven described species. They occur in the southern United States and in Mexico. Depending on the species, the tarsal claws are either bifid or appendiculate. See Figs 124 and 198 for a habitus illustration and morphological details. See Clark & Anderson (2019) for a key to the species.

Figures

Figs 118–126. Dorsal views. 118. Monoaster fulgidus (Wilcox, 1965) comb. nov. 119. Mexiluperus sp. 120. Amplioluperus maculicollis (LeConte, 1884) comb. nov. 121. Monoaster linus (Wilcox, 1965) comb. nov. 122. Cornuventer tuberculatus (Blake, 1942) comb. nov. 123. Pseudoluperus longulus (LeConte, 1857). 124. Triarius lividus (LeConte, 1884). 125. Keitheatus blakeae (White, 1944). 126. Metacoryna fulvicollis Jacoby, 1888.

Figs 195–200. Male abdominal ventrites. 195. Monocesta coryli (Say, 1824), fifth ventrite with slight depression. 196. Pyesexora sp., fifth ventrite entire. 197. Uaupesia (undescribed sp.), fifth ventrite excavated. 198. Triarius lividus (LeConte, 1884), fifth ventrite with quadrate lobe. 199. Phyllobrotica sororia Horn, 1896, fifth ventrite with rectangular lobe. 200. Trigonexora spissa (Bechyné, 1956), fourth ventrite with single, unpaired appendage.