The 5th ventral plate of the 5th abdominal segment, generally square but often highly modified in male tachinids

The posterior major section of invertebrates

Dorsal abdominal segments

A tergite (plate) of the mesothorax (middle thorax) between the scutellum and the halter located under the calypter in tachinidae

3 segmented in tachinidae bearing a 3 segmented arista

Paired grooves on the face often separated by a carina (facial carina)

A pair of seate or hair situated at the apex of the scutellum

3 segmented hair like structure arising from the postpedicel

A segment of the arista (3 segments)

Basal medial-cubital cross vein