List of geometrid genera From Wikipedia, the free encyclopedia The very large moth family Geometridae contains genera beginning with A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y and Z. Pitkin, Brian & Jenkins, Paul. "Search results Family: Geometridae". Butterflies and Moths of the World. Natural History Museum, London. Related Articles~TimelinesTop QsFact Checks