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 Coeloglutus concavus Aldrich Coeloglutus concavus Aldrich, 1896: 338. Medetera sinuata Parent, 1928: 159. Coeloglutus bicoloripes Van Duzee, 1933a: 15. Material examined. Montserrat : 2 ♂, 1 ♀, Cassava Ghaut, canopy fogging at dawn, 21 May 2002, K. Marske & J. Boatswain; 1 ♀, Cassava Ghaut, Malaise trap, 4-23 March 2002, A. Krakower; 1 ♂, 2 ♀, Fogarty Ghaut, canopy fogging, 6 December 2002, J. Daley & L. Aymer (MTEC, USNM). Distribution. West Indies (Puerto Rico, Dominica, Montserrat, St. Vincent) and from Guatemala south to Bolivia ( Naglis 2001 ). Remarks. Naglis (2001) provided a re-description and illustration of C. concavus .