Variable (Ruttner Number)

Function

1

2

Length of cover hair on tergite 5 (1)

0.331

0.280

Wing venation angle B4 (22)

0.304

0.080

Wing venation angle J16 (27)

−0.463

0.380

Fore-wing, length (17)

0.370

0.543

Wing venation angle G18 (25)

0.049

−0.062

Pigmentation of plates of scutellum (36)

0.298

−0.613