Zenoria nigricollisZenoria nigricollis is a species of beetle of the family Coccinellidae. It is found in Brazil and Guyana.DescriptionAdults reach a length of about 3.80 mm. Adults are black, while the anterior and lateral margins of the pronotum and the head are yellow. The elytron is dark metallic green. Both the pronotum and elytron are covered with greyish white hairs.