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Ospreys are an indicator species. The health of their population has implications for the health our coastal ecosystems.

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New Jersey Endangered and Threatened Species Field Guide

Image of An adult male zebra clubtail.Zoom+ An adult male zebra clubtail. © Glenn Corbiere

Zebra clubtail

Stylurus scudderi

Species Group: Invertebrate

Conservation Status

State: Special Concern



The zebra clubtail ranges between 2.4” to 2.5”. It has black and yellow patterning and aqua-blue eyes. The black abdomen has pale yellow rings. It has a well-developed club similar to a wide-tipped clubtail. Females have a thicker abdomen with a series of pale lateral spots.

Image of Range of the zebra clubtail in New Jersey.Zoom+ Range of the zebra clubtail in New Jersey.


The zebra clubtail has only been recorded at three locations in northern New Jersey. It inhabits clean rivers and streams with an abundance of sand and mud substrates. Its full range is north to the Canadian Maritimes, south to Georgia and west to Wisconsin.


Nymphs feed on a wide variety of aquatic invertebrates. Adults feed on small flying insects.


Throughout its range, this species occurs from June through early October. In New Jersey, the zebra clubtail is rare and has only been recorded from mid to late August.


The zebra clubtail is considered a species of Special Concern in New Jersey due to its rarity and need for pristine habitat.

Text derived from the book, Field Guide to Dragonflies and Damselflies of New Jersey. 2009. By Allen E. Barlow, David M. Golden and Jim Bangma. Edited and updated by Larissa Smith in 2011.

Scientific Classification

Kingdom: Animalia
    Phylum: Arthropoda
       Class: Insecta
          Order: Odonata
             Family: Gomphidae
                Genus: Stylurus
                   Species: S. scudderi

Find Related Info: Invertebrates, Special concern

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