Observation: Pyractomena lucifera

Observation: Pyractomena lucifera

Primary Observer:

Reagan Montalvo

Event Date:

2025-07-07

Status:

Verified

Survey

Site Name:

Jacks Lake at Sweetwater Creek State Park

Province/State:

Georgia

Event Date:

2025-07-07

Time of Day:

Night-Time

Start Time:

20:41

End Time:

22:50

Number of Observers:

9

Primary Observer:

Reagan Montalvo

Additional Observers:

Amaad, Suzi, Adrian, Emily, Mason, Aurora, Austin, Aiden

Target Species Genus:

Photinus

Target Species Species:

acuminatus

Location and Habitat

Location Accuracy (meters):

50-100

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

Edge of lake, full ground cover, microstegium, edge canopy of alder, "sticky" grass at water's edge, sweetgum and maple

Elevation (meters):

255

Area Searched (hectares):

2

Artificial Light Sources

Vehicles: No
Street Lights: No
Buildings: No

Artificial Light Types

Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No

Artificial Light Notes:

 

Observation

Observation Type:

Flashing

Number Observed:

2-10

Genus:

Pyractomena

Species:

lucifera

Observation Notes:

lots flashing nearby, 4-8 ft high

Specimen Voucher Number:

12

Flash Behavior

First Flash Time:

21:32

Last Flash Time:

21:50

First Flash Temp (F):

79.4

Last Flash Temp (F):

79.4

Flashes in Pattern:

1

Flash Color:

Yellow

Flash Pattern Period:

3.5

Flash Duration:

0.5

Flash Interval:

3

Male Height Zone:

Moderate (3-8 ft)

Flash Location:

4-8 feet up on edge of the pond. Swampy. I'm not sure if Amaad recorded this flash pattern for this individual so I copied the flash pattern for the other individual we captured nearby.

Male Flash Behavior:

 

Female Flash Behavior:

 

1 thought on “Observation: Pyractomena lucifera”

Leave a Comment

Connect

Sign up for our newsletter to receive updates.

Follow

Follow the Xerces Society.

Share

Share this page.

Support

Support the Xerces Society's conservation work.

This is a project of the Xerces Society, working in collaboration with the IUCN SSC Firefly Specialist Group and New Mexico BioPark Society.

Copyright © 2025 The Xerces Society •1631 NE Broadway Street, #821 • Portland OR 97232 USA