At the boundary of two biogeographical realms: Palearctic and Oriental leeches (Hirudinea, Glossiphoniidae) of the Ferghana Valley, Uzbekistan Author Khayrulla Solijonov Andijan State University, University Street 129, Andijan, 170100 (Uzbekistan) khsolijonov1991@gmail.com Author Serge Utevsky Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University, 4 Maidan Svobody, Kharkiv, 61022 (Ukraine) serge.utevsky@karazin.ua Author Zuvaid Izzatullaev Samarkand State University, University boulevard 15, Samarkand, 140100 (Uzbekistan) zizzat@yandex.ru Author Utevsky, Andriy Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University, 4 Maidan Svobody, Kharkiv, 61022 (Ukraine) andriy. utevsky @ karazin. ua andriy.utevsky@karazin.ua text Zoosystema 2026 2026-02-03 48 2 41 54 journal article 314282 10.5252/zoosystema2025v48a2 091b521f-09b8-4c41-99de-4c7c8b7a66a6 1638-9387 18500174 AC645333-F088-460F-8B8D-7BA08DE6BC1D

TABLE 1. — Locations of glossiphoniid leech sampling in the Ferghana Valley, Uzbekistan.

Nr	Collecting biotope	Locality	Coordinates
River
1	Kara Darya	Kurgantepa district, Andijan region	40°46’30.1”N, 73°03’12.6”E
2	Kara Darya	Izbaskan district, Andijan region	40°52’46.3”N, 72°19’26.8”E
3	Kara Darya	Balikchi district, Andijan region	40°54’54.8”N, 71°50’48.9”E
4	Ak-Buura	Khujaabad district, Andijan region	40°34’59.4”N, 72°45’13.6”E
5	Naryn	Uychi district, Namangan region	41°06’16.6”N, 72°02’39.8”E
6	Naryn	Uychi district, Namangan region	40°56’26.8”N, 71°49’19.3”E
7	Podshootasay	Yangikurgan district, Namangan region	41°17’33.8”N, 71°47’27.0”E
8	Podshootasay	Alihan district, Namangan region	41°14’33.4”N, 71°49’28.7”E
9	Sokh	Sokh district, Ferghana region	40°04’50.3”N, 71°05’21.3”E
10	Isfayramsay	Kuvasay district, Ferghana region	40°15’58.5”N, 72°01’12.3”E
Canal
11	Shakhrikhansay	Khujaabad district, Andijan region	40°40’36.3”N, 72°29’29.3”E
12	Shakhrikhansay	Asaka district, Andijan region	40°39’38.6”N, 72°09’57.7”E
13	Northern Ferghana canal	Markhamat district, Andijan region	40°30’11.5”N, 72°23’07.1”E
14	Northern Ferghana canal	Ferghana district, Ferghana region	40°19’34.9”N, 71°49’14.5”E
Spring
15	Uchbulak	Balikchi district, Andijan region	40°53’32.3”N, 71°51’16.8”E
16	Kaynarbulak	Balikchi district, Andijan region	40°53’09.5”N, 71°50’08.6”E
17	Tandirbulak	Andijan district, Andijan region	40°51’13.9”N, 72°22’19.4”E
18	Kushmabulak	Andi jan district, Andijan region	40°51’07.7”N, 72°22’01.3”E
19	Shirmanbulak	Bulakboshi district, Andijan region	40°35’11.5”N, 72°28’59.3”E
20	Kukbulak	Kurgantepa district, Andijan region	40°44’44.3”N, 72°55’31.7”E
21	Fazilmanota	Kurgantepa district, Andijan region	40°48’50.9”N, 72°59’42.2”E
22	Bibiseshanba	Kurgantepa district, Andijan region	40°44’51.8”N, 72°55’48.4”E
23	Kulibukon	Chartak district, Namangan region	41°12’05.9”N, 71°48’55.9”E
24	Uchtepa	Uychi district, Namangan region	40°55’49.3”N, 71°52’49.2”E
25	Balikkul	Chartak district, Namangan region	41°19’24.8”N, 71°50’16.4”E
26	Avval	Ferghana district, Ferghana region	40°18’07.6”N, 71°49’59.0”E
27	Aydin	Kokand district, Ferghana region	40°28’49.1”N, 70°54’55.6”E
28	Chechme	Sokh district, Ferghana region	39°56’18.3”N, 71°12’38.7”E
29	Alibulak	Sokh district, Ferghana region	39°56’24.9”N, 71°08’07.2”E