red white and blue stink bug with spatulate antennae obsrved on door of structure near Ruidosa TX 6-15-2005. Estimated length one inch from nose to tail.
Your patriotic bug is a Giant Mesquite bug nymph.
They do feed on the sap, tender leaves and green pods of Mesquite. They do not do any significant damage to the trees so are not considered a garden pest.
This insect is found from Mexico thru the Baja CA area into Az and now into TX.
Neat looking leaffooted bug!