description Celithemis bertha Overview
Celithemis bertha, commonly known as the red-veined pennant, is a species of dragonfly belonging to the skimmer family Libellulidae. The insect is native to North America and is frequently observed inhabiting still-water environments such as ponds, marshes, and lakes. Adult individuals are recognized by the distinct reddish venation visible across their transparent wings, a characteristic that informs their common name. The International Union for Conservation of Nature currently categorizes the species as Least Concern due to its stable population across its range.
help Celithemis bertha FAQ
What is Celithemis bertha commonly called?
Celithemis bertha is the red-veined pennant, a skimmer dragonfly in the family Libellulidae. The species was described by Williamson in 1922 and is native to North America. [Odonata Central checklist](https://www.odonatacentral.org/public/media/uploads/files/NA_Odonata_Checklist_2024.pdf)
Where does the red-veined pennant live?
It is associated mainly with still or slow freshwater habitats such as ponds and lakes with emergent vegetation along the shoreline. North Carolina field guidance describes it as primarily a pond and lake species, especially in the southeastern part of its range. [North Carolina dragonfly guide](https://auth1.dpr.ncparks.gov/odes/PDFs/8th_ver_8.1.pdf)
Why is it called a red-veined pennant?
The name refers to the reddish wing veins and its habit of perching on exposed vegetation like other pennant dragonflies. Identification should still use several features together because wing color can vary with sex, age, and lighting.
Is Celithemis bertha the same dragonfly as the Halloween pennant?
No. The Halloween pennant is Celithemis eponina, while the red-veined pennant is Celithemis bertha, a separate species in the same genus. Both are skimmers that use pond and marsh habitats, which is why casual sightings can cause confusion.
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