Ash Petiole Gall Midge

Cecidomyiidae

Dasineura

Fraxinus americana

Alabama

Arkansas

Colorado

Connecticut

Delaware

Florida

Georgia

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Nebraska

New Hampshire

New Jersey

New York

North Carolina

Ohio

Oklahoma

Pennsylvania

Rhode Island

South Carolina

Tennessee

Texas

Vermont

Virginia

West Virginia

Wisconsin

New Brunswick

Nova Scotia

Ontario

Prince Edward Island

Quebec

Fraxinus pennsylvanica

Arizona

California

Idaho

Montana

Nevada

New Mexico

North Dakota

Oregon

South Dakota

Utah

Washington

Wyoming

Alberta

British Columbia

Manitoba

Saskatchewan

Fraxinus spp

Alaska

District Of Columbia

Hawaii

Puerto Rico

Newfoundland and Labrador

Northwest Territories

Nunavut

Yukon Territory

Saint Pierre and Miquelon

Dasineura tumidosae

*D. tumidosae*. Larvae are gregarious, white, and drop to the ground when full-grown, around the first week of June in Maryland. Leaflet swellings are barely noticeable from the top of the leaflet but are large and pendant below. Galls are sometimes reddish ... Hosts: *Fraxinus* spp. ...

The plant-feeding gall midges of North America

*Dasineura tumidosae* is a univoltine species which produces a succulent leaf gall on *Fraxinus* spp. in May.

The Gall Midges (Diptera: Cecidomyiidae: Cecidomyiinae) From Allegheny County Pennsylvania

Canada (Ontario), USA (Michigan to Maine, S to Maryland); immigr.: USA (California). Fraxinus sp. (Oleaceae)

A Catalog of the Cecidomyiidae (Diptera) of the World