Review of subfamily Prodiamesinae (Diptera: Chironomidae) from the Russian Far East and bordering territory Author Makarchenko, Eugenyi A. 0000-0003-2765-8729 Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, 100 let Vladivostoku 159, 690022 Vladivostok, Russia & makarchenko @ biosoil. ru; http: // orcid. org / 0000 - 0003 - 2765 - 8729 makarchenko@biosoil.ru Author Semenchenko, Alexander A. 0000-0001-7207-9529 Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, 100 let Vladivostoku 159, 690022 Vladivostok, Russia & semenchenko _ alexander @ mail. ru; https: // orcid. org / 0000 - 0001 - 7207 - 9529 semenchenko_alexander@mail.ru text Zootaxa 2023 2023-07-31 5323 1 1 26 http://dx.doi.org/10.11646/zootaxa.5323.1.1 journal article 59765 10.11646/zootaxa.5323.1.1 196bd6c5-8442-4251-9987-9e8cdeedbfe9 1175-5326 8203829 AABE0C7B-9A90-4CF9-9707-936FF912853D

TABLE 2. Comparison of adult males characters of Monodiamesa fontinalis sp. nov. and M. bathyphila Kieffer.

Characters	M. fontinalis sp. nov. (n=2)	M. bathyphila Kieffer (n=5), our data
Total length, mm	6.4	5.7–6.2
Wing length, mm	4.1	4.5–4.7
TL/WL	1.57	1.25–1.35
AR	2.0	2.76–3.34
Clypeals	8	9–10
Dorsocentrals	13	18–22
Prealars	7	6–8
Scutellars	ca 40	30–32
Squamal setae	32	39–47
LR1	0.82	0.74–0.77
LR2	0.49	0.45–0.47
LR3	0.60	0.51–0.54
BV1	2.55	2.56–2.67
BV2	2.91	2.99–3.03
BV3	2.63	2.73–2.79
SV1	2.21	2.31–2.45
SV2	3.89	3.96–4.15
SV3	3.04	3.29–3.52
Tergite IX, number of setae	28–32	33–39
Anal point length, ìm	64–68	56–92
SVo length, ìm	84–96	40–60
MVo length, ìm	116–120	60–112
MVo	without pedestal	on pedestal
IVo length, ìm	88–100	72–92
Gonocoxite length, ìm	436–440	432–541
Gonostylus length, ìm	168–176	176–200
HR	2.5–2.6	2.45–2.71