Macrotylus (Alloeonycha) dimidiatus Jakovlev, 1889

Known from Siberia, Russian Far East, and Korea. New for Mongolia.

Material examined: MONGOLIA: Central Aimak: 30 km S Bulag [Mungen-Mor't], 47.9 ° N 108.48333 ° E, 0 8 Jul 1967, I. M. Kerzhner, Chamaerhodos sp. ( Rosaceae), 1Ψ (AMNH _PBI 00158436). Gatsuurt, 20 km E of Ulaanbaatar, 47.91666 ° N 107.25 ° E, 16 Jul 1967, Emeljanov, 1ɗ (AMNH _PBI 00158429). N slope of Bogdo-ula near Ulaanbaatar, 47.8444 ° N 107 ° E, 22 Jun 1967, I. M. Kerzhner, 1Ψ (AMNH _PBI 00158433); 14 Jul 1967, I. M. Kerzhner, 1ɗ (AMNH _PBI 00158430), 1Ψ (AMNH _PBI 00158434); 29 Jun 1967, I. M. Kerzhner, 1ɗ (AMNH _PBI 00158432). Toola River ENE of Dzamryn-Ula Mt, 48.2 ° N 104.8 ° E, 24 Jun 1968, Emeljanov, Spiraea sp. ( Rosaceae), 1ɗ (AMNH _PBI 00158404). Ulaanbaatar [Urga], floodlands of Toola river, 47.899 ° N 106.932 ° E, 19 Jun 1967, I. M. Kerzhner, Chamaerhodos sp. ( Rosaceae), 37ɗ (AMNH _PBI 00158390- AMNH _PBI 0 0 158403, AMNH _PBI 00158405- AMNH _PBI 00158414), 27Ψ (AMNH _PBI 00158405- AMNH _PBI 00158423). Dzavhan Aimak: 15 km S of Toson-Tsengel [Tosontsengel], 48.624 ° N 98.2839 ° E, 18 Jul 1980, I. M. Kerzhner, 5ɗ (AMNH _PBI 0 0 158847, AMNH _PBI 00158856- AMNH _PBI 00158857), 11Ψ (AMNH _PBI 00158856- AMNH _PBI 0 0 158857, AMNH _PBI 00158865- AMNH _PBI 00158867). 45 km ESE of Altay [Bayan-Ula], 49.515 ° N 96.911 ° E, 0 2 Jul 1968, Emeljanov, 1ɗ (AMNH _PBI 00158855), 2Ψ (AMNH _PBI 00158855). East Govi Aimak: 25 km N of Choyr, 46.65 ° N 108.36666 ° E, 11 Jun 1971, Emeljanov, 2ɗ (AMNH _PBI 0 0 158843, AMNH _PBI 00158844), 1Ψ (AMNH _PBI 00158863); 11 Jun 1971, Kozlov, 2ɗ (AMNH _PBI 00158845). Eastern Aimak: 50 km SE of Choboisan city, 47.439 ° N 114.979 ° E, 26 Jul 1971, I. M. Kerzhner, Chamaerhodos erecta (Rosaceae), 10ɗ (AMNH _PBI 00158852- AMNH _PBI 0 0 158853, AMNH _PBI 0 0 158860, AMNH _PBI 00158862), 5Ψ (AMNH _PBI 0 0 158860, AMNH _PBI 0 0 158862, AMNH _PBI 00158871); 26 Jul 1971, Emeljanov, 2ɗ (AMNH _PBI 0 0 158850, AMNH _PBI 00158851), 1Ψ (AMNH _PBI 00158869). Darkhin-Tsagan-obo, 60 km ENE Bayan-Burd, 47.416 ° N 118.972 ° E, 21 Jul 1971, Kozlov, 1Ψ (AMNH _PBI 00158870). Kerulen river, 40 km N of Choibalsan, 48.417 ° N 114.506 ° E, 27 Jul 1971, I. M. Kerzhner, 2Ψ (AMNH _PBI 00158858) ( Rosaceae), 3ɗ (AMNH _PBI 0 0 158858, AMNH _PBI 00158861), 1Ψ (AMNH _PBI 00158861). Hentiy Aimak: 12 km N Gal-Shir, 46.683 ° N 110.7667 ° E, 30 Jul 1971, Emeljanov, 2ɗ (AMNH _PBI 00158859), 2Ψ (AMNH _PBI 0 0 158859, AMNH _PBI 00158864); 30 Jul 1971, I. M. Kerzhner, 1ɗ (AMNH _PBI 00158846). Hovd Aimak: 15 km WNW of Dut, 47.555 ° N 91.445 ° E, 0 8 Jul 1980, I. M. Kerzhner, 86ɗ (AMNH _PBI 00158341- AMNH _PBI 0 0 158374, AMNH _PBI 00158376- AMNH _PBI 00158381), 31Ψ (AMNH _PBI 00158361- AMNH _PBI 0 0 158374, AMNH _PBI 00158376- AMNH _PBI 0 0 158381, AMNH _PBI 0 0 158383, AMNH _PBI 00158387) Chamaerhodos sp. ( Rosaceae), 1ɗ (AMNH _PBI 00158375), 2Ψ (AMNH _PBI 00158375); 0 8 Jul 1980, Kozlov, 1ɗ (AMNH _PBI 00158382), 6Ψ (AMNH _PBI 0 0 158382, AMNH _PBI 00158385- AMNH _PBI 0 0 158386, AMNH _PBI 00158388- AMNH _PBI 00158389). Middle Govi Aimak: Delger-Hangay-ula Mts, 48.2666 ° N 109.31667 ° E, 25 Jul 1967, I. M. Kerzhner, Chamaerhodos sp. ( Rosaceae), 5ɗ (AMNH _PBI 00158424- AMNH _PBI 00158428), 1Ψ (AMNH _PBI 00158435). Suhbaatar Aimak: 35 km WSW of Dzotol-Khan-Ula Mt., 45.723 ° N 115.09 ° E, 11 Jul 1971, Kozlov, 1ɗ (AMNH _PBI 00158848). Dzhavkhlant, 70 km WSW of Ikh-Chulut-Ula Mts., 46.738 ° N 114.278 ° E, 15 Jul 1971, Emeljanov, 1Ψ (AMNH _PBI 00158868). Lun-Ula Mt., 30 km WNW of Ovoot [Dariganga], 45.393 ° N 113.516 ° E, 0 7 Jul 1971, Kozlov, 2ɗ (AMNH _PBI 00158849). Shiliin-Bogdo-Ula Mt., 45.41667 ° N 114.58333 ° E, 10 Jul 1971, Emeljanov, 1ɗ (AMNH _PBI 00158854), 1Ψ (AMNH _PBI 00158854).