Observation: Photinus pyralis

Observation: Photinus pyralis

Primary Observer:

Caitlin

Event Date:

2025-07-08

Status:

Verified

Survey

Site Name:

New Jersey

Province/State:

New Jersey

Event Date:

2025-07-08

Time of Day:

Night-Time

Start Time:

19:41

End Time:

19:43

Number of Observers:

2

Primary Observer:

Caitlin

Additional Observers:

 

Target Species Genus:

 

Target Species Species:

 

Location and Habitat

Location Accuracy (meters):

25-50

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

 

Elevation (meters):

600

Area Searched (hectares):

 

Artificial Light Sources

Vehicles: Yes
Street Lights: No
Buildings: Yes

Artificial Light Types

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

Artificial Light Notes:

 

Observation

Observation Type:

Non-Flashing

Number Observed:

2-10

Genus:

Photinus

Species:

pyralis

Observation Notes:

Small, about the size of a fingertip. Individual firefly, earlier than have seen others (normally an hour later). Was not flashing but was likely too early in the evening for it. Cute little feet/tarsus and antennae (see photo).

Specimen Voucher Number:

Flash Behavior

First Flash Time:

 

Last Flash Time:

 

First Flash Temp (F):

 

Last Flash Temp (F):

 

Flashes in Pattern:

 

Flash Color:

 

Flash Pattern Period:

 

Flash Duration:

 

Flash Interval:

 

Male Height Zone:

Flash Location:

 

Male Flash Behavior:

 

Female Flash Behavior:

 

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

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