Drosophila melanogaster (fruit fly) seminal vesicle, 600X.l Barbara Laurinyecz

Abdominal segments of Diptera blephariceridae larvae, 40X. l Fabrice Parais

Detail of Trichoptera nymph (caddisfly), 25X. l Fabrice Parais

Macrobrachium shrimp (ghost shrimp) eye, 140X. l Vitoria Tobias Santos

Benthic fish egg cluster, 6.6X. l Jaime Gomez-Gutierrez

Enteric valve of Patawatermes nigripunctatus, a humivore termite belonging to the Apicotermitinae subfamily, 20X. l Laure Twyffels and Benoît Host