Brachiacantha pygidialis is a species of beetle of the family Coccinellidae. It is found in Mexico (Michoacán, México State, Morelos, Veracruz).
Description Adults reach a length of about . They have a oval, slightly elongated body. They have a black body with a yellow head. The anterolateral angles and the anterior and lateral borders of the pronotum are yellowish orange. There are five yellowish orange spots on each elytron.
Taxonomy Since the description of Brachiacantha brevihamata, its similarity pygidialis was evident, but it was considered a separate species due to the lack of the pygidial spot. Later research has recovered a specimen with a yellowish pygidial spot, with genitalia consistent with brevihamata. Furthermore, pygidialis is known to have different colour morphs.
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