Narberdia
Burke, H.R., 1976
Narberdia is a of true in the , tribe Anthonomini. The genus was when described by Burke in 1976 from the United States, but expanded to at least five following descriptions of four additional species from México and Rica in 2017. All species are intimately associated with plants of the genus Bernardia (Euphorbiaceae). is pronounced, with females possessing a longer, more slender and a distinctive tibial absent in males.
Pronunciation
How to pronounce Narberdia: /nɑːrˈbɛr.di.ə/
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Identification
Distinguished from similar Anthonomini by combination of body characters and male lobe : broad at and strongly narrowed near apex. Most closely related to members of the Anthonomus squamosus group. in proportions and tibial armature aids identification within the . Association with Bernardia plants provides additional diagnostic context.
Images
Appearance
True with characteristic elongated . evident: females have more slender and relatively longer rostrum than males. Antennal attaches near midpoint of rostrum in females, beyond midpoint in males. Females possess a adjacent to the mucro on pro- and mesotibia; this tooth is absent in males. Male lobe broad at and strongly narrowed near apex.
Habitat
Intimately associated with plants of the Bernardia (Euphorbiaceae). Collected at elevations ranging from 62 m to 2288 m.
Distribution
México (Jalisco, Veracruz, Querétaro, Michoacán, Durango, Puebla) and Rica; originally described from the United States of America and extreme northern México.
Host Associations
- Bernardia spongiosa - of Narberdia cervantae in Jalisco, México
- Bernardia mexicana - of Narberdia sarukhani and N. dugesi
- Bernardia nicaraguensis - of Narberdia sarukhani in Veracruz and Rica
- Bernardia albida - of Narberdia dugesi in Querétaro and Michoacán
- Bernardia changii - of Narberdia ramuvei
- Bernardia rzedowskii - of Narberdia ramuvei
- Bernardia valdesii - of Narberdia ramuvei
Behavior
Use of more than one of as by a single species has been observed; this pattern is common in Anthonomini.
Similar Taxa
- Anthonomus squamosus species groupNarberdia appears most closely related based on similar body characters and form of male lobe (broad at , strongly narrowed near apex)
More Details
Taxonomic history
The was from 1976 until 2017, when four additional were described, more than quadrupling the known diversity.
Host plant specificity
All known show intimate association with Bernardia (Euphorbiaceae), suggesting -level conservatism despite use of multiple Bernardia species by individual species.