Species Snapshot
TYPE:
Flashing firefly
GENUS:
Photinus
SIZE:
Medium (10 - 14 mm)
HABITAT:
Damp forests, dry scrub forests
MONTHS:
June, July, August
TIME:
Shortly after sunset for up to 3 hours
Flash Pattern
P. brimleyi
How to Understand the Flash Pattern image
The background of the image represents a common habitat where the firefly might be seen. The colored dots or dashes represent the flashes over time and across space (height and distance flown between flashes). Note the number of flashes, the timing in between flashes, and the color, duration, and shape of the flashes.

Note that the flash pattern will often get faster as the temperature rises.
Physical Appearance
P. brimleyi

Size:
Pronotum:
(Head Shield)
Medium (10 - 14 mm)
Light yellow and red with a dark central mark shaped like a mushroom
Scutellum:
Pale
Elytra:
(Wing Covers)
Dark with wide, blurred, light-colored borders
Abdomen:
Thorax:
Eyes:
Dark
Dark
Large.
Male has lanterns on abdominal segments 6 & 7. Female is brachypterous (short wings, can't fly).
Lanterns:
Legs:
Short
Map of Arkansas Sightings
P. brimleyi

More information on IUCN Red List of Threatened Species
