Abstract
A new distribution map is provided for Dasineura gleditchiae (Osten Sacken). Diptera: Cecidomyiidae. Host: honey locust (Gleditsia triacanthos). Information is given on the geographical distribution in Europe (Austria, Croatia, Czech Republic, Denmark, Mainland France, Greece, Hungary, Mainland Italy, Luxembourg, Netherlands, Poland, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, and England and Wales, UK), Asia (Turkey) and North America (Ontario, Canada, and California, Idaho, North Dakota, Oregon, South Dakota and Wyoming, USA).