Observation: Photinus cookii

Observation: Photinus cookii

Primary Observer:

Richard Joyce

Event Date:

2026-07-21

Status:

Unreviewed

Survey

Site Name:

Cheesequake State Park- family campground

Province/State:

New Jersey

Event Date:

2026-07-21

Time of Day:

Day-Time

Start Time:

08:05

End Time:

08:10

Number of Observers:

1

Primary Observer:

Richard Joyce

Additional Observers:

NA

target_species_genus:

unknown

target_species_species:

unknown

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Woodland/Forest - Trees dominant, and in the over-story

Habitat Type Notes:

Upland forest with white oak, tulip tree, and red maple.

Elevation (meters):

12.5

Area Searched (hectares):

NA

Artificial Light Sources

Artificial Light Types

Artificial Light Notes:

 

Observation

Observation Type:

Without Flash Data

Number Observed:

1

genus:

photinus

Species:

cookii

Observation Notes:

6 mm long. No lanterns. Found perched near the ground in upland hardwood forest. Cross-posted to iNaturalist: observation 385728908.

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:

 

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 © 2026 The Xerces Society •1631 NE Broadway Street, #821 • Portland OR 97232 USA
Firefly logo by Ink Dwell studio; © 2020 Jane Kim