Odonata

(Damselflies & Dragonflies)

 Photogallery: 

Synonyms:  Erpetogomphus diadophis Calvert
                                           (Bayer 1975; Needham & Heywood 1929; Needham & Westfall 1954; Westfall 1974 in Bayer 1975)

[1929 Needham & Heywood]

[1954 Needham & Westfall]

1974 Westfall in Bayer 1975
1975 Bayer

[1998 Abbott & Stewart]

2000 Dunkle
2004 Gallucci
2005 Abbott
[2008 NatureServe]

[ ] indicate state record, no specific county or locality indicated

notes:
<this species has been vetted and accepted as a valid Texas species>

-Endemic to Texas: restricted to the San Marcos and Guadalupe Rivers (Abbott 2005)

-nymphs in small rivulets and strems with swift current and cobble substrate (Abbott 2005)