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

129 (130). Arista bare; body short and broad.

Milichidæ, LII

130 (129). Arista plumose, combed, or pubescent, or, if bare, then the body always narrow and long.

131 (132). Arista thinly but long haired, plumose, or combed.

Part of Drosophilidæ, L

132 (131). Arista thickly and short haired, pubescent, or bare.

Geomyzidæ, XLVIII

133 (118). Mouth bristles absent.

134 (137). O, 5¹ and O, 6¹ large and very prominent.

135 (136). Antennæ moderately long or very long, male genitalia not prominent.