Because those information can narrow the species that you need to look at to figure out yours. As you know for copepods sometimes you need to dissect them, its not only clearing and checking sometimes. So other related information can at least narrow the possible species and then with checking those and looking at yours finally you can id
You can send me the specimens of copepods that you want to identify in the alcohol 70° with mention, for each specimen, of the host and the location on the host.
Here is my mailing address: Oum Kalthoum Ben Hassine, Faculty of Science, 3 Rue des Bergamotes EL MANAR 1, 2092 Tunis, Tunisia.