Q: Big red ant with black stripe—neighbor calls them "cow ants."
It's a female velvet ant (Dasymutilla spp.), a wingless wasp. "Cow killer" refers to its painful sting. Females lay eggs in bumblebee/cicada killer nests; larvae consume host larvae. Don't handle—sting is severe!
Resources: Cowkiller Ant, Velvet Ant.

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