aa. Wings faintly spotted on wing field. Thorax ornamented with lines of white scales ; legs spotted ; wing spots three.
spathipalpis. (Rondani.) AA. Wings unspotted.
j8. Legs banded.
y. Proboscis banded with one pale band. 8. Tarsi basally banded.
e. Abdomen with lateral white spots and basal bands; ? fore ungues equal and simple. microannulatus. (Theobald.)
ee. Abdomen basally banded, but with no lateral spots. Mid and hind legs with a broad tibio-metatarsal band.
impellens. (Walker.)
No broad tibio-metatarsal band, last abdominal segments with apical and basal banding. Vishnui. (Theobald.)
yy. Proboscis with three pale bands. Tarsi basally banded.
tritceniorhynchus. (Giles. ) yyy. Proboscis unbanded. 8. Legs basally banded. e. Thorax not ornamented.
Abdomen with basal and some apical bands ; fore and mid ungues of ? uniserrated. cantans. (Meigen.)
88. Legs basally and apically banded.
Thorax adorned with frosty-white scales on anterior two- thirds, gelidus. (Theobald.) 888. Legs unbanded. . Legs with a white line on femora and tibiae.
tipuliformis. (Theobald.) . Legs uniformly coloured. Abdomen with lateral white spots and basal patches.
Thorax golden scaled, with lateral lines of brighter golden scales on posterior half; abdomen with curved lateral silvery spots. pulcriventer. (Giles.)
. Abdomen with basal pale bands.
Thorax black, with ferruginous scales, pale at the sides.
nigripes. (Zett.) ( Abdomen apically banded
First few segments with yellow apical bands, remainder all ochraceous. concolor. (Desvoidy.)
Pipiens Group.
a. Abdomen basally banded. /?. Thorax unadorned.
Abdominal bands swollen out in middle, apical segments white. viridiventer. (Giles.)
Abdominal bands uniform. quasipipiens. (Theobald.)
