Thorax and abdomen shortened; abdomen dilated, exposing ventral skin to side view. Eyes slightly roughened, occasionally kidney shaped and somewhat dark. Wings short and bluntly rounded with crossveins closer together than normal. Bristles shortened and somewhat fine at 19oC, stubby at 25oC. Postscutellars semierect and crossed; posterior verticals shortened or missing. Male entirely sterile. Viability 50% wild type. RK2.