The millipede tribe Brachyiulini in the Caucasus (Diplopoda, Julida, Julidae) Author Vagalinski, Boyan Institute of Biodiversity and Ecosystem Research at the Bulgarian Academy of Sciences, 2 Yurii Gagarin Street, 1113, Sofia, Bulgaria boyan_vagalinski@excite.com Author Golovatch, Sergei I. Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia text ZooKeys 2021 2021-08-30 1058 1 127 http://dx.doi.org/10.3897/zookeys.1058.68628 journal article http://dx.doi.org/10.3897/zookeys.1058.68628 1313-2970-1058-1 654932353DDB4E1B8848EAB69F2C20FD 61FB9E86BEE45968AAC868B21AF7ED86 Omobrachyiulus curvocaudatus (Lignau, 1903) Julus curvocaudatus Lignau, 1903: 135-136, figs 55-58. Chromatoiulus (Omobrachyiulus) curvocaudatus : Lohmander, 1936: 126-129, figs 108-110; Lang 1959 : 1791. Chromatoiulus curvocaudatus : Kobakhidze 1964 : 191; 1965 : 394. Megaphyllum curvocaudatum : Talikadze 1984 : 143; Chumachenko 2016 : 409. Omobrachyiulus curvocaudatus : Vagalinski and Lazanyi 2018 : 96; Kokhia and Golovatch 2018 : 41; 2020 : 206. Material examined. Georgia : 1 ♂ (SMNG), Mtshkheta-Mtianeti , forest SW of Lake Bazaleti , 42.0308°N , 44.6653°E , 910 m a.s.l. , 4.X.2011 , F. Walther leg. ; 1 ♂ (ZMUM), Racha-Lechkhum-Kvemo Svaneti Planned National Park , 10 km NE of Shovi , Gurshevi near Mamisoni Pass , 2000-2200 m , Abies , Fagus , Alnus , litter and under stones, at a spring, 21.X.1981 , SIG leg .; 1 ♂ (ZMUM), AR Abkhazia , Pitsunda-Myussera Nature Reserve , Myussera part, 20-130 m , mixed deciduous forest ( Castanea , Alnus etc.), in litter, under bark and stones, 8-10.IV.1983 , SIG leg . 1 ♂ (ZMUM), AR Abkhazia , environs of Lake Ritsa , in litter, mixed forest, 24.X.1978 , SIG leg .; 2 ♂♂ , 6 ♀♀ (ZMUM), AR Abkhazia , Myussera Forest , 13.VI.1978 , V. Dolin leg. ; 1 ♂ (ZMUM), AR Abkhazia , Ochamchira District ., near Otapi , at the entrance to Cave Golova Otapa , II.1983 , S. Smirnov leg. ; 1 ♂ , 3 ♀♀ (ZMUM), AR Ajara , Batumi Botanical Garden , 15-20 m , 30.V-7.VI.1981 , SIG and J. Martens leg. Russia : 1 ♂ (SMNG), Republic of Adygea , Lagonakskiy Ridge , limestone cliffs on the SW slope of Mount Gora Matuk , 44.1061°N , 39.9225°E , 1810 m a.s.l. , 16.VIII.2012 , F. Walther leg. Diagnosis. A species of Omobrachyiulus differing from congeners mainly by the opisthomere bearing a large, flattened, roughly diamond-shaped, apical outgrowth of the basoposterior process, and a shortly bifurcate solenomere, with the anterior branch being clavate, and the posterior one fine and pointed, bent anteriad. Previous records from the Caucasus. Russia : Krasnodar Province, Pseashkho Pass (type locality); Sochi ( Lohmander 1936 ); Georgia : AR Abkhazia, Gagra and Avadkhara ( Kobakhidze 1965 ). General distribution. CAUC.