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Species Accounts & Photos Other Stuff NJ's Species of Concern

  Septima's Clubtail
            Gomphus (Gomphurus) septima (Westfall, 1956)

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Species distribution map

Range & Habitat:

A disjunct subspecies (G. s. delawarensis) found from NJ into PA and NY along the Delaware. Until recently, only known in New Jersey from exuviae collected along the upper river.

 

 Septima's Clubtail male 

Click on the thumbnails to enlarge additional photos. 

Description:

A rather large clubtail with a moderate club.  The thorax has wide U-shaped yellow stripes.  The anterior lateral thoracic stripe is usually incomplete.  A series or yellow streaks down the dorsal abdomen, but the dorsal surface of the club is usually black except for a tiny yellow basal spot that may be present on S8

 

Conservation Status:

State: S1 - Critically imperiled in NJ

Global: G2 - Imperiled globally, very vulnerable to extinction

For a full explanation of the ranks, click here

Flight season:

Early Date: 5/24
Late Date: 6/25

Please scroll down for monthly graph.

 

Flight Season
(hover your mouse over the bar for actual data)
 
Number of Records
4 
0 
2 4
J F M A M J J A S O N D

Months

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Click here for acknowledgments
Date, distribution, and status data courtesy of Allen Barlow, NJOS
© 2006 Jim Bangma, NJOS  Comments or suggestions?  Use the Feedback Form