Naupactus tremolerasi is similar to N. dives and mainly differentiates because is smaller, the flanks of pronotum are less curved; the elytra are wider, shorter, with less convex intervals and more acute apex; the vestiture is golden, iridescent green or purple, with distribution similar to that N. dives. It is more dense near the punctures of the elytral striae and absent along the suture; the vestiture of the scutellum is white.

Males are unknown for this species, which females are infected with the bacterium Wolbachia, that induces parthenogenesis in several species of Naupactini (Rodriguero et al. 2010a).

Larvae damage passion fruits Passiflora alata Curtis (Passifloraceae), soybean Glycine max (L.) Merrill (Fabaceae) and sunflower Helianthus annuus L. (Asteraceae) in Rio Grande do Sul, Brazil (Lanteri et al. 2013a). It was found on Eucalyptus spp in Uruguay.

It is mainly associated with vegetation of the Pampean biogeographic province.