Thanks Africaone for posting the link! I am the author of this thread on Insectnet and have several females in my collection (and for sale) as shown below. In addition to size of the females against males, they have no 'white' markings on the verso of the forewings-so you need to see the verso and the abdomen and ovipositor in my estimation is quite distinctive from the males 'claspers'. So you need to see the verso side of the specimen and a closeup of the oviposter. Buyers should ask for these photo's and sellers should be posting these additional photo's. If they don't they may have something to hide.