What's That Bug? does not endorse extermination

Beetle ID
Hello~
I was hiking with friends in the desert the other day in Baja and we came across these beetles on a margarite bush (incensio in Spanish). They had black wings. Underneath, they were red-orange with black dots. Very pretty. Thank You!
Lynn

Hi Lynn,
Your beetle is Lytta magister, the Master Blister Beetle. According to BugGuide: “Pressing or rubbing adult blister beetles may cause them to exude some of their hemolymph (“blood”), which contains Cantharidin. Cantharidin causes blistering of the skin, thus the name blister beetle.”

What's That Bug? does not endorse extermination

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