Placosternus difficilis

Placosternus difficilis, commonly known as the Mesquite Borer, is a wood boring longhorn beetle which resembles a black and yellow wasp. Larvae of mesquite borers are deposited in mesquite trees. It has been seen to be attracted to mesquite trees when there is freshly cut or broken limbs and logs. Adults use nectar and pollen as a food source.

It is typically found in Mexico and the Southern United States.