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Not all of the diagnostic characters are visible, but if we assume that this is probably a common species, it is most likely H. albiceps (= maura and modesta). In this species, and the equally common griseola, the mid-femur lacks a row of posteroventral bristles. However in albiceps the notopleuron is at least partly brown, like the dorsum, whereas in griseola it is evenly grey, contrasting with the dorsum.