An unusual Sulphur-tipped
Clubtail Gomphus militaris from Lake Balmorhea, Reeves county, west Texas: note the solidly pale vertex that is the same color as the occiput, plus the dorsolateral thoracic pattern:- the pale line between T1 and T2 is unusually broad - mostly because T1 is thinner than typical:
- here is a typical example, from Fort Worth, Tarrant county, Texas:
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Here is a female example of this "Southwestern" form, from Fort Pena/Post Park south of Marathon, Brewster county, Texas on July 29, 2006; again note the large pale gap between T1 and T2 (mostly due to the much narrower T1 compared to typical examples), and the pale vertex merging with the pale occiput: