The Dolichopodidae (Diptera) of Montserrat, West Indies Author Runyon, Justin B. Rocky Mountain Research Station, USDA Forest Service, 1648 S. 7 th Avenue, Bozeman, Montana 59717, USA & Montana Entomology Collection, Montana State University, Room 50 Marsh Laboratory, Bozeman, Montana 59717, USA https://orcid.org/0000-0002-0271-0511 jrunyon@montana.edu text ZooKeys 2020 966 57 151 http://dx.doi.org/10.3897/zookeys.966.55192 journal article http://dx.doi.org/10.3897/zookeys.966.55192 1313-2970-966-57 B18DEB582C8F4F95B7EF3BECC9F4D4B7 9E8EAAF1A28A5D6BA36B2D363A1BA200 Xanthina rubromarginata Robinson Xanthina rubromarginata Robinson, 1975: 44. Material examined. Dominica : 1 ♂, Trafalgar Falls, 15 March 1964, H. Robinson (USNM). Montserrat : 3 ♂, 3 ♀, Woodlands, Riverside House, 8-10 January 2002, yellow pan traps, K. Marske & K. Puliafico; 1 ♀, same as previous, 22 July 2005, V.G. Martinson; 1 ♀, Bottomless Ghaut to Big River trail, 14 August 2005, yellow pan traps, V.G. Martinson; 1 ♂, 4 ♀, Cassava Ghaut, 24 July 2005, yellow pan traps, V.G. Martinson; 1 ♂, 1 ♀, Big River, 5 August 2005, yellow pan traps, V.G. Martinson; 1 ♂, Hope Ghaut, 300 m, 16°45.108'N , 62°12.695'W , 20 June 2017, J.B. Runyon; 1 ♂, 2 ♀, Jack Boy Hill (top), 480 m, 16°45.797'N , 62°10.886'W , 25 June 2017, J.B. Runyon; 1 ♂, 2 ♀, ghaut above Montserrat Volcano Observatory, 330 m, 16°45.130'N , 62°12.487'W , 27 June 2017, J.B. Runyon; 1 ♂, Big River, 450 m, 16°45.690'N , 62°11.174'W , 28 June 2017, J.B. Runyon (MTEC, USNM). Distribution. Dominica, Montserrat. Remarks. Adults were collected in yellow pan traps and by sweeping moist, deeply shaded ground in mesic forests.