R. L. Rutowski

Male behavior in a swallowtail butterfly (Battus philenor) ensures directional iridescent sexual signal is visible to females during courtship

The paper shows that male swallowtail butterflies use specific courtship behavior to enhance the visibility of their iridescent color signal to females.

Color, activity period, and eye structure in four lineages of ants: pale, nocturnal species have evolved larger eyes and larger facets than their dark, diurnal congeners

This study compares eye structure between nocturnal and diurnal ant species, finding that pale, nocturnal species generally have larger eyes and facets than dark, diurnal ones, but no consistent differences in visual acuity-related features.