The males of this all-brown species have a short second antennomere (compared to the third) as well as large eyes. Unlike many firefly species found in the eastern and central United States, P. reticulata males display a steady glow, instead of a species-specific flashing pattern.
The characteristics of this brown species' male include a shorter second antennal segment and larger eyes. Notably, unlike many firefly species in the eastern and central United States, P. reticulata males exhibit a consistent glow, setting them apart from other flashing-patterned species.