Calamoceras sp. nov. (Trichoptera: Calamoceratidae) from the Western Rif area, Morocco Author Harrak, Rihab 0009-0005-6578-2386 Laboratory of Ecology, Systematics, Conservation of Biodiversity (LESCB), Unity of research labelled CNRST N ° 18, University of Abdelmalek Essaâdi, Faculty of Sciences, Department of Biology. B. P. 2121 93002, Tetouan, Morocco rihab.harrak@etu.uae.ac.ma Author Alami, Majida El 0000-0003-2664-646X Laboratory of Ecology, Systematics, Conservation of Biodiversity (LESCB), Unity of research labelled CNRST N ° 18, University of Abdelmalek Essaâdi, Faculty of Sciences, Department of Biology. B. P. 2121 93002, Tetouan, Morocco melalamielmoutaoukil@uae.ac.ma Author Hajji, Kamilia 0009-0008-2650-2902 Laboratory of Ecology, Systematics, Conservation of Biodiversity (LESCB), Unity of research labelled CNRST N ° 18, University of Abdelmalek Essaâdi, Faculty of Sciences, Department of Biology. B. P. 2121 93002, Tetouan, Morocco kamiliahajji@yahoo.fr Author Morse, John C. Department of Plant & Environmental Sciences, Clemson University, Clemson, South Carolina 29634 - 0310, United States of America Author Dakki, Mohamed Laboratory of Ecology, Systematics, Conservation of Biodiversity (LESCB), Unity of research labelled CNRST N ° 18, University of Abdelmalek Essaâdi, Faculty of Sciences, Department of Biology. B. P. 2121 93002, Tetouan, Morocco & Scientific Institute, Mohamed V University of Rabat, Av. Ibn Batouta, B. P 703, 10106 Rabat-Agdal, Morocco & Laboratory of Ecology, Systematics, Conservation of Biodiversity (LESCB), Unity of research labelled CNRST N ° 18, University of Abdelmalek Essaâdi, Faculty of Sciences, Department of Biology. B. P. 2121 93002, Tetouan, Morocco text Zootaxa 2024 2024-03-04 5418 5 576 588 http://dx.doi.org/10.11646/zootaxa.5418.5.7 journal article 290102 10.11646/zootaxa.5418.5.7 28f4bb73-e575-4ed1-9759-a4f374305ad6 1175-5326 10779894 27F10C5E-DA7D-49A1-B400-2BD768C8A197

TABLE 2. Number of filaments of the abdominal gills in Calamoceras riffensis sp. nov. (Cr), Calamoceras marsupus (Cm), and Calamoceras illiesi (Ci).

Segment	Subdorsal Ci	Cm	Cr	Ventrolateral Ci Cm		Cr	Subventral Ci Cm		Cr
II	5	3	4	3	3	3	5	4	4
III	5	3–4	4	5	3	3	5	4	4
IV	5	4	4	4	2–3	3	5	4	4
V	5	4	4	3	2–3	3	4	4	4
VI	4	3–4	2–3	3	2	2	4	3	2–3
VII	4	2–3	0	2	2	1–2	3	3	3
VIII	4	0	0	0	0	0	2	0	0