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.
References
Web site: Pitkin . Brian . Jenkins . Paul . amp . Search results Family: Geometridae . Butterflies and Moths of the World . Natural History Museum, London.