<i>Listrus senilis </i>(LeConte) (Coleoptera: Melyridae), a Little-Known Pollinator Species Associated to Wild and Cultivated <i>Dahlia</i> (Asteraceae) in Mexico

In Mexico the distribution and role of Listrus senilis species is poorly known. The objective this paper to offer information about pollination L. senilis on wild cultivated plants genus Dahlia, some biological observation insect in Central Mexico. dahlia considered national flower Mexico, are showy with yellow, orange red flowers; common rocky areas roadsides mountainous It blooms between July September, central region it find areas. During 2021 (August November), Estado de were collected melyrid pollinators Asteraceae family. We inspected inflorescences Cosmos bipinnatus Cav., Dahlia coccinea merckii Lehm., rudis Sorensen, Tagetes lunulata Ort., Tithonia tubaeformis (Jacq.) Cass., Montanoa tomentosa Cerv., D. rudis, campanulata. found semilis associated Dahlia, and plats Mexico. For first time recorded also eight new floral records added as host for species. adult habitus male female well genitalia both sexes illustrated.