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Photo#154352
Brown and Yellow Wasp - Polistes bellicosus - male

Brown and Yellow Wasp - Polistes bellicosus - Male
Anahuac NWR, Chambers County, Texas, USA
October 27, 2007

Polistes cf. bellicosus, male (TX)
P. exclamans can be excluded based on the uniformly coloured antenna. P. dorsalis never has yellow spots on tergum 2. My best guess is P. bellicosus (note reddish male antenna). The yellow spots on tergum 2 are somewhat unsual for this species. P. apachus is similar but has even more yellow, especially on the pronotum.

Paper Wasp (Polistes sp.) - male
This time, I won't venture to species level.

 
dorsalis
or exclamans would be my best guess...

 
I lean towards exclamans
I lean towards exclamans, that was initially my guess