Phillsoppia strigosa is a species of beetle of the family Scarabaeidae. It is found in South Africa (Eastern Cape, Western Cape).
Adults reach a length of about . Males are black, with the elytra chestnut-brown and opaque. The pronotum has a median and an outer marginal band of white, somewhat dense scales, which also form a partly obliterated one along the base. The scutellum is scaly and the elytra have a sutural, two discoidal and an outer marginal line of white scales. The pygidium and underside are densely scaly, the former having a denuded median basal patch. Females are similar to males, but have an elongate, sharply triangular patch of flavescent scales on the pygidium.