taxonID	type	description	language	source
0C6587B3A74C91637904FA19FE71F86F.taxon	materials_examined	Material examined JAPAN: 9 ƋƋ, Saitama Prefecture, Misato City, Edogawa river bank, 9 Aug. 2008, 15 May 2010, leg. T. Tago.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74C91637904FA19FE71F86F.taxon	distribution	Distribution Western Europe, Abchazia, Afghanistan, Armenia, Azerbaijan, China, Japan, Kazakhstan, Korea, Mongolia, Turkey, Ukraine and Russia (Leningrad, Novgorod, Pskov, Moscow, Voronezh, Adygea, Kabardino-Balkaria, Krasnodar, Rostov, Tomsk, Altai, Krasnoyarsk, Baikal, Transbaikalia, Yakutia, Amur, Maritime Territory). There are a few records of the species in Japan (Negrobov et al. 2008; Masunaga 2014).	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91627962FECAFB9BFDA0.taxon	materials_examined	Material examined JAPAN: 29 ƋƋ, Honshu, Aichi Prefecture, Nagoya, Nagakute-cho Park, 23 – 30 May 1999, leg. V. Fursov.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91627962FECAFB9BFDA0.taxon	distribution	Distribution Western Europe, Armenia, Georgia, Japan and Russia (Karelia, Saint Petersburg, Pskov, Yaroslavl, Moscow, Ryasan, Bashkiria, Tatarstan, Kursk, Lipetsk, Voronezh, Krasnodar, Adygea, North Caucasus, Orenburg, Omsk, Tomsk, Altai, Krasnojarsk, Irkutsk, Buryatia, Yakutia, Amur).	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91627AAEFDB2FBFBFBD0.taxon	materials_examined	Material examined JAPAN: 1 Ƌ, Saitama Prefecture, Misato City, Edogawa river bank, 9 Aug. 2008, leg. T. Tago; 1 Ƌ, Chiba Prefecture, Nagareyama City, Ichinoya, 30 Sep. 2008, leg. T. Tago; 1 Ƌ, Saitama Prefecture, Hidaka City, Yokote, 12 Jul. 2009, leg. T. Tago; 1 Ƌ, Saitama Prefecture, Ootaki, Chichibu City, Mameyakibashi, 7 Aug. 2010, leg. T. Tago.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91627AAEFDB2FBFBFBD0.taxon	distribution	Distribution Japan and Russia: Sakhalin, Primorye, Khabarovsk, Magadan, Chukotka. The species was described from Japan and the Far East of Russia by Negrobov & Maslova (1995).	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D9162793CFBA3FA8FFA2B.taxon	materials_examined	Material examined JAPAN: Saitama Prefecture, Misato City, Edogawa river bank, 9 Aug. 2008 (3 ƋƋ, 2 ♀♀), 13 Oct. 2008 (1 Ƌ), 15 May 2010 (2 ƋƋ), leg. T. Tago; 1 Ƌ, Honshu, Ibaraki Prefecture, Tsukuba, Yawara, rice fields, 16 Jul. 1997, leg. V. Fursov; 1 Ƌ, Honshu Aichi Prefecture, Nagoya, Nagakute-cho Park, 23 – 30 May 1999, leg. V. Fursov.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D9162793CFBA3FA8FFA2B.taxon	distribution	Distribution China, Japan. The species originally described from China is here recorded for the first time from Japan.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91647AF2FA2CFA8FFA30.taxon	description	Figs 1, 5 A	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91647AF2FA2CFA8FFA30.taxon	diagnosis	Diagnosis Face narrow; postpedicel small; lower postocular setae white; fore coxa with black hairs; femora mostly yellow; mid tibia with 2 anterodorsal and 2 posterodorsal setae; hind femur and with long setae, hind tibia with short hairs; phallus with two lateral processes on tip.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91647AF2FA2CFA8FFA30.taxon	etymology	Etymology The species is named after the famous dipterologist Dr. Kazuhiro Masunaga from Japan.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91647AF2FA2CFA8FFA30.taxon	materials_examined	Material examined Holotype JAPAN: 1 Ƌ, Ibaraki Prefecture, Tsukuba, Yawara, 16 Jun. 1997, leg. V. Fursov (ZIN, Russia). Paratypes JAPAN: 1 Ƌ, labeled, Saitama Prefecture, Misato City, Edogawa river bank, 13 Oct. 2008, leg. T. Tago; 4 ƋƋ, same data, 28 Apr. 2012, leg. T. Tago; 1 Ƌ, same data, 15 May 2010, leg. T. Tago (OMNH, 2 paratypes VSU).	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74D91647AF2FA2CFA8FFA30.taxon	description	Description Male MEASUREMENTS. Body length: 1.3 – 1.4 mm, wing length: 1.4 – 1.5 mm. HEAD. Frons green with purple tinge, without pollen. Face narrow, its width narrower than the width between ocellar bristles in lower part. Frons green at the top, with pollinosity at the bottom. Antenna black, postpedicel small, triangular, length 1.3 times greater than height. Arista subapical, with short hairs. Length of arista more than two times longer than length of postpedicel. Proboscis and palpus brown with black hairs without pollen. Lower postocular setae pale. THORAX. Metallic green, scutum with bronze tinge and without pollen. Pleura with pollen, propleuron with 1 – 2 setae. 5 pairs of strong dorsocentral setae. Acrostichal setae long, irregular 6 – 7 pairs, arranged in two rows. Scutellum with 2 long and 2 short lateral setae. LEG. Fore coxa yellowish brown, mid and hind coxa dark; femora mostly yellow, except dorsal surfaces of fore femur, middle part of the mid femur and apical third part of the hind femur dark; fore and mid tibiae yellow, hind tibia dark; tarsi yellow except hind tarsus and apical parts of fore and mid tarsus dark. All coxae with dark hairs and setae. Fore femur with long white anteroventral hairs, length approximately equal to the width of femur. Fore tibia with 1 anterodorsal seta and short posteroventral hairs. Ratio of fore tibia and tarsus (from 1 to 5) 2.6: 1.5: 0.6: 0.5: 0.3: 0.4. Mid femur with a short preapical seta. Mid tibia with 2 anterodorsal and 2 short posterodorsal setae. Ratio of mid tibia and tarsus (from 1 to 5) 3.4: 1.6: 0.8: 0.6: 0.4: 0.3. Hind femur with several long preapical setae and short anteroventral hairs on entire length femur. Hind tibia with 3 – 4 short anterodorsal setae and short erect anteroventral hairs, its length approximately equal to the diameter of tibia. First segment of hind tarsus with short erect hairs. Ratio of hind tibia and tarsus (from 1 to 5) 3.7: 1.2: 1.0: 0.6: 0.4: 0.3. WING. Hyaline with dark veins; R 4 + 5 and M 1 + 2 parallel at apex. Length of costal section between R 4 + 5 and M 1 + 2 more than 2 times longer than that between R 2 + 3 and R 4 + 5; m-cu distinctly shorter than apical part of CuA 1. Halter and cilia on lower calypter yellow. ABDOMEN. Metallic green, grey pollinose laterally, covered with black hairs. Epandrium oval in the basal part of the oval; apical part of surstylus bent. Apex of phallus with two short lateral processes, left process is rounded. Cercus with brown hairs, top of the left side with long processes. Female Unknown. Addition to the key In the key to the Palearctic species of Chrysotus (Negrobov et al. 2000), the new species Chrysotus masunagai sp. nov. runs to Chrysotus verralli Parent, 1923 and can be distinguished from the latter by following characters: 45. Femora almost yellow; dorsal side of fore femur, middle part of the mid femur and apical part of the hind femur dark. Hind trochanter yellow …………………………………………………… ……………………………………………… Ch. masunagai Negrobov, Kumazawa, Tago sp. nov. – Femora dark. Hind trochanter black. England …………………………… Ch. verralli Parent, 1923	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74B91667A99F9C2FA8FF836.taxon	description	Figs 2, 5 B	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74B91667A99F9C2FA8FF836.taxon	diagnosis	Diagnosis Face narrow, width in lower part less than distance between ocellar bristles; antenna black; postpedicel transverse-oval, with a triangular tip; lower postocular setae white; fore coxa with black hairs; femora mainly green-brown; mid tibia with 2 anterodorsal and 2 posterodorsal setae; hind femur with long setae, hind tibia with short hairs; phallus with two lateral processes on tip.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74B91667A99F9C2FA8FF836.taxon	etymology	Etymology The species is named after the famous dipterologist Dr. Toyohei Saigusа from Japan.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74B91667A99F9C2FA8FF836.taxon	materials_examined	Material examined Holotype JAPAN: Ƌ, Honshu, Aichi Prefecture, Kasugai, Univ. Experim. Farm, on grass near ponds, 19 Jun. 2004, leg. V. Fursov (ZIN). Paratypes JAPAN: 4 ƋƋ, same data as holotype, leg. V. Fursov; 5 ƋƋ, Honshu, Nagoya, Higashiyama Park, oak forest, 2 May 1999, leg. V. Fursov; 14 ƋƋ, Honshu, Nagoya, Higashiyama Park, oak forest, 11 Aug. 1999, leg. V. Fursov; 1 Ƌ, Ibaraki Prefecture, Tsukuba, Sakuragaoka, swept grass near forest, 26 Apr. 1997, leg. V. Fursov; 2 ƋƋ, Ibaraki Prefecture, Tsukuba, Sakuragaoka, 3 May 1997, leg. V. Fursov; 2 ƋƋ, Ibaraki Prefecture, Tsukuba, Sakuragaoka, 5 May 1997, leg. V. Fursov; 2 ƋƋ, Ibaraki Prefecture, Tsukuba, Yaware, near rice fields, 17 Jun. 1997, leg. V. Fursov; 4 ƋƋ, Ibaraki Prefecture, Tsukuba, Yaware, 25 Jun. 1997, leg. V. Fursov; 2 ƋƋ, Ibaraki Prefecture, Tsukuba, Hanare, near rice fields, 14 Jun. 1997, leg. V. Fursov; 2 ƋƋ, Honshu, Nagoya, Midori-ku, Odaka Green Park, 5 May 1999, leg. V. Fursov; 1 Ƌ, Honshu, Nagoya, Nissin-shi, 5 Apr. 1999, leg. V. Fursov (IZU, VSU, ZIN); 1 Ƌ, Tochigi Prefecture, Kanuma City, Shimokasuo, 8 Jul. 2012, leg. T. Tago; 1 Ƌ, Saitama Prefecture, Saitama City, Akigase Park, Sakura wood, 1 Oct. 2011, leg. T. Tago (OMNH, Japan); 1 Ƌ, Kuril Islands, island Kunashir, Alekhine, 8 – 12 Aug. 1984, leg. Kirejtshuk (ZIN).	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
0C6587B3A74B91667A99F9C2FA8FF836.taxon	description	Description Male MEASUREMENTS. Body length: 1.2 – 1.3 mm, wing length: 1.2 – 1.3 mm. HEAD. Frons green with purple tinge, without pollen. Face narrow, its width narrower than the width between ocellar bristles in lower part. Frons green at the top, with pollinosity on the bottom. Antenna black, postpedicel small, a right-angled triangular, its length about equal to its height. Arista subapical, with short hairs. Length of arista approximately five times longer than length of postpedicel. Proboscis and palpus brown with black hairs without pollen. Lower postocular setae pale. THORAX. Metallic green, scutum with bronze tinge and without pollen. Pleura with pollen, propleuron with 1 – 2 setae. 5 pairs of strong dorsocentral setae. Acrostichal setae long, irregular 6 – 7 pairs, arranged in two rows. Scutellum with 2 long and 2 short lateral setae. LEG. All coxae dark; femora mostly dark, except apical part of fore femur, apical and basal part of mid femur and basal part of hind femur yellow; trochanters yellow or yellowish-brown; fore and mid tibiae yellow, hind tibia yellowish-brown; most part of mid and hind tarsi yellow, basal parts hind tarsus yellowish-brown. Coxae with dark hairs and setae. Fore femur with 3 long preapical setae. Fore tibia with 1 anterodorsal seta and short posteroventral hairs. Fore tarsus with short hairs. Ratio of fore tibia and tarsus (from 1 to 5) 2.8: 1.7: 0.7: 0.5: 0.4: 0.5. Mid femora with 3 short preapical setae and short anteroventral hairs. Mid tibia with 2 anterodorsal and 2 short posterodorsal setae. Ratio of mid tibia and tarsus (from 1 to 5) 3.8: 2.1: 1.0: 0.7: 0.5: 0.4. Hind femora with 4 long preapical setae and short anteroventral hairs on entire length of femur. Hind tibia with 4 short anterodorsal, 3 posterdorsal setae and short erect anteroventral hairs, their length approximately equal to the diameter of tibia. First segment of hind tarsus with short erect hairs. Ratio of hind tibia and tarsus (from 1 to 5) 4.4: 1.5: 1.2: 0.7: 0.5: 0.4. WING. Hyaline with dark veins; R 4 + 5 and M 1 + 2 slightly divergent at apex. Length of costal section between R 4 + 5 and M 1 + 2 about twice longer than that between R 2 + 3 and R 4 + 5; m-cu distinctly shorter than apical part of CuA 1. Halter and cilia on lower calypter yellow. ABDOMEN. Metallic green, pollinose laterally, covered with black hairs. Epandrium oval in the basal part with the small projection; apical tip of surstylus bent. Phallus with two lateral processes at apex. Cercus oval with black hairs. Female Unknown. Addition to the key In the key to the Palearctic species of Chrysotus (Negrobov et al. 2000), the new species Chrysotus saigusаi Negrobov, Kumazawa & Tago sp. nov. runs to Chrysotus defensus Negrobov & Maslova, 2000 and can be distinguished from the latter by the following characters: 58. Basal part of hind femur and hind trochanter black. The phallus before the apex with two long dorsal processes. Caucasus … ……………………………… Ch. defensus Negrobov & Maslova, 2000 – Basal part of hind femur and hind trochanter yellow. The phallus before the apex with short lateral processes …………………………………. … Ch. saigusai Negrobov, Kumazawa & Tago sp. nov.	en	Negrobov, Oleg P., Kumazawa, Tatsunori, Tago, Toshihiro, Fursov, Viktor N. (2016): Species of the genus Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from Japan, with descriptions of two new species. European Journal of Taxonomy 197: 1-15, DOI: 10.5852/ejt.2016.197
