Left wings of male G. maculata (A), G. helleri sp. n. (B), G. immaculata (C) and female G. furcata sp. n. (D). Morphological differences beteen G. maculata and G. helleri sp. n. are small. However, usually G. maculata (A) have more and larger maculae on the tegmina while G. helleri sp. n. (B) have fewer maculae that are smaller and longish and usually start where Rs branches off (right arrow). Also G. helleri sp. n. has a white borderd costal margin with veins branching off white and thickened (left arrow).