Observation: Photinus pyralis

Observation: Photinus pyralis

Primary Observer:

Gini Bell

Event Date:

2026-06-09

Status:

Unreviewed

Survey

Site Name:

The Ramble

Province/State:

North Carolina

Event Date:

2026-06-09

Time of Day:

Night-Time

Start Time:

20:50

End Time:

21:15

Number of Observers:

1

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:

Grassland/Meadow - Meadow, open, grasses dominant

Habitat Type Notes:

Very manicured lawns with some less manicured wooded areas on edges, primarily pine with some tulip poplar and sycamore.

Elevation (meters):

664.464

Area Searched (hectares):

1.47497

Artificial Light Sources

Vehicles: Yes
Street Lights: Yes
Buildings: No

Artificial Light Types

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

Artificial Light Notes:

cars driving by, some street lights came on. It was still light out as the sun had recently set, so light trespass was less noticeable. Cloudy night so no moon visible, though it would have been a waxing crescent.

Observation

Observation Type:

With Flash Data

Number Observed:

11-50

genus:

photinus

Species:

pyralis

Observation Notes:

Found over manicured lawns and plantings mostly. Single flash with identifiable j shape flash pattern.

Specimen Voucher Number:

Flash Behavior

First Flash Time:

20:51

Last Flash Time:

21:11

First Flash Temp (F):

71

Last Flash Temp (F):

70

Flashes in Pattern:

1

Flash Color:

Yellow

Flash Pattern Period:

6

Flash Duration:

.6

Flash Interval:

5.4

Male Height Zone:

Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)

Flash Location:

mostly over sidewalks, mulched park, lawn, and landscaped area with 1ft to 12ft shrubs and trees

Male Flash Behavior:

yellow, "J" shaped flash that lasts just under a second

Female Flash Behavior:

Not observed

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