The Book of the Fly / A nature study of the house-fly and its kin, the fly plague and a cure

by George Hurlstone Hardy

65 (66). X, 4 very near base of wing (plate V, 14, 15); X, 5 far beyond X, 4.

Part of Dolichopodidæ, XXIV

66 (65). X, 4 more towards middle of wing (plate V, 12, 36, 37) nearer X, 5.

66a (66b). Proboscis directed straight downwards.

Part of Empidæ, XXIII (genus Stilpon)

66b (66a). A, VIII, 3 retracted [ordinary Muscid type] pass on to 108 of this table.

67 (64). X, 5¹ present, that is, a X-vein on V, 5 before, or under X, 4; or no X-veins on V, 5.

68 (69). No X-veins on V, 5.

Part of Phytomyzidæ, LIV

69 (68). At least X, 5¹ present, generally also X, 5².