top of page

Say's Firefly

Pyractomena angulata
Species Snapshot

TYPE:

Flashing firefly

GENUS:

Pyractomena

SIZE:

Med to Large (9 - 17 mm)

HABITAT:

Moist & dry forests, forest margins

MONTHS:

May, June, July

TIME:

1 to 3 hours after sunset

Flash Pattern
P. angulata

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. angulata
Photinus consimilis drawing.png

Size:

Pronotum:

(Head Shield)

Med to Large (9 - 17 mm)

Yellow with large black elongated triangle in center, bordered with pink. Sides have dark marks. Noticeable central ridge.

Scutellum:

Dark

Elytra:

(Wing Covers)

Dark with wide yellow borders

Abdomen:

Thorax:

Eyes:

Dark, brown, or pink

Dark

Large. Male's eyes are larger than the female's.

Male has 2 lanterns on abdominal segments 6 & 7. Female has 4 lanterns, 2 each on segments 6 & 7.

Lanterns:

Legs:

Short

Map of Arkansas Sightings
P. angulata
County map P consimilis.jpg
bottom of page