Taxonomic review of Rheocricotopus Brundin, 1956 (Diptera: Chironomidae: Orthocladiinae) from East Asia, with descriptions of twelve new species Author Niitsuma, Hiromi 84 - 3 Abeguchishinden, Aoi-ku, Shizuoka 421 - 2114 Japan. niitsuma.hiromi@shizuoka.ac.jp Author Tang, Hongqu Life Science and Technology College, Jinan University, Guangzhou 510632, China. townningt@gmail.com text European Journal of Taxonomy 2026 2026-01-30 1037 1 114 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3157/14053 journal article 314350 10.5852/ejt.2026.1037.3157 40eaf3ee-396d-4cce-ba76-ddb251ba171d 2118-9773 18507203 2143B722-1876-486C-9743-D249D20DFE8C

Table 18. Lengths (μm) and proportions of legs of Rheocricotopus (P.) masarui sp. nov., ♂♂ (n = 3).

	fe	ti	ta1	ta2	ta3	ta4	ta5	LR	BV	BR
P1	764–795	833–911	735–774	363–382	274–294	196–216	118–127	0.81–0.88	2.3–2.5	1.6–2.0 (2)
	778	875	748	376	284	206	121	0.86	2.4	–
P2	735–784	715–764	421–441	196–206	147–157	88–98	88	0.58–0.59	3.5–3.8	2.2–2.5
	768	745	434	199	150	91	88	0.58	3.7	2.4
P3	725–804	862–970	529–598	265–284	225–235	127	98–108	0.60–0.64	3.0–3.1	2.5–4.2
	764	921	568	278	229	127	105	0.62	3.1	3.5