Observation: Photinus macdermotti

Observation: Photinus macdermotti

Primary Observer:

Gini Bell

Event Date:

2026-06-10

Status:

Unreviewed

Survey

Site Name:

The Ramble

Province/State:

North Carolina

Event Date:

2026-06-10

Time of Day:

Night-Time

Start Time:

20:55

End Time:

21:20

Number of Observers:

2

Primary Observer:

Gini Bell

Additional Observers:

Annabell Picker

target_species_genus:

unknown

target_species_species:

unknown

Location and Habitat

Location Accuracy (meters):

25-50

Habitat Type:

Developed - Sub/urban areas; parks/gardens

Habitat Type Notes:

In The Ramble common area, an affluent and well groomed neighborhood with lots of landscaped areas alongside more natural wooded areas, primarily with pine.

Elevation (meters):

664.464 m

Area Searched (hectares):

.5491 hectares

Artificial Light Sources

Vehicles: Yes
Street Lights: Yes
Buildings: Yes

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:

In The Ramble common area, an affluent and well groomed neighborhood with lots of landscaped areas. Streetlights and headlights present.

Observation

Observation Type:

With Flash Data

Number Observed:

11-50

genus:

photinus

Species:

macdermotti

Observation Notes:

Smaller, measuring in at less than one centimeter. Found over short shrubby ground cover within 2-3 feet of the ground. Surveyed for just a short while, terminated after I caught a few, but flashes had not stopped at that point.

Specimen Voucher Number:

Flash Behavior

First Flash Time:

21:05

Last Flash Time:

21:15

First Flash Temp (F):

76

Last Flash Temp (F):

75

Flashes in Pattern:

2

Flash Color:

Yellow

Flash Pattern Period:

7

Flash Duration:

.4

Flash Interval:

2.5

Male Height Zone:

Low (0-3 ft)

Flash Location:

Flying in a very contained area over shrubby ground cover, 2-3 feet off the ground.

Male Flash Behavior:

double flash. So many fireflies in such a small area, and it was starting to get darker, so it was challenging to count the flash pattern!

Female Flash Behavior:

not observed

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