Fig. 12.

Phase-contrast photomicrographs of the sclerotized haptoral structures and male copulatory organ of Quadriacanthus fornicatus n. sp. (a, b), Q. pravus n. sp. (c, d), Q. zuheiri n. sp. (e, f). Scale-bars: a, c, e, 30 μm; b, d, f, 20 μm

Phase-contrast photomicrographs of the sclerotized haptoral structures and male copulatory organ of Quadriacanthus fornicatus n. sp. (a, b), Q. pravus n. sp. (c, d), Q. zuheiri n. sp. (e, f). Scale-bars: a, c, e, 30 μm; b, d, f, 20 μm