Although I came across these Halloween pennants (Odonata: Libellulidae: Celithemis eponina) in late June, I thought I’d wait until a more festive time to post photos. The orange and black patterning does seem suggestive of jack-o’-lanterns.
As with other dragonflies these pennants are typically found near ponds and marshes. Their aquatic young live in the water where they hunt a variety of arthropods. After emerging as adults they continue to hunt in the air, capturing flying insects on the wing. Adults are often seen resting on foliage throughout the summer, waiting for their next meal to buzz past them.