THE BIBIONIDA:, 163 
spurs; metatarsi short; tarsi decrease from first to fourth ; fifth longer ; 
ungues and three pulvilli large. PI. iii, fig. 6 B, Wings large and 
broad. The costal does not reach the tip of the wing. First longi- 
tudinal vein small and faint ; the second longer and more distinct ; 
the third longitudinal simple, proceeding from the angle of the pre- 
brachial transverse veinlet and meeting the costa at its tip; fourth 
and fifth longitudinal veins forked. 
The members of this genus are nearly all found in the spring and 
early summer, the females are more sedentary than the males ; the 
former may be taken in meadows and borders of woods by sweeping, 
the latter are more often taken on the wing. The genus is repre- 
sented in Britain by fifteen species. 
Tipula Marci fulvipes, De Geer. 
B. pomone, F. = T. pomone, F. and Donovan, 
LTirtea pomone, ¥., Mg. et Zett. 
This is a fairly abundant species; black and clothed with long 
black hairs ; the femora reddish, the rest of the legs black. Wings 
whitish-gray, the veins near costa and the stigma blackish-brown. 
The 9 is covered with short black hairs, and head narrower than ¢. 
Length 5 to 6 lin. 
Tipula Marci, L. 
B. Marci, L. St. Mark’s Fly. = + 7° drevicornis, L. 
T. febrilis, Schrk. 
This is a deep black species, the legs being entirely black. The 
whole body is clothed with black hairs. In the the wings are 
whitish, almost opalescent, but blackish costa and with blackish- 
brown stigma and brownish or black veins near costal region, the 
lower veins pale. In the ? the wings are blackish and very dark 
along the costa; the stigma and veins near costa are also blackish. 
Length 4 to 5 lin. This is a very common species, and appears 
about St. Mark’s day, hence the name. PI. iii., fig. 6 a. 
B. hortulanus, L. = T. hortulanus, L. 
Black; ¢@ thorax with black hairs, sides of breast and abdomen 
with gray hairs, black on the last segment. Head, proboscis and 
palpi blackish-brown. Legs black. Halteres black ; wings grayish, 
brown along the costa; stigma oblong and blackish-brown. In the 
? the thorax (on dorsal surface) and the abdomen tawny, prothorax 
and sides black. Head, antenne and palpi black. Legs black. 
Wings brownish-yellow, costa dark brown. Hairs on the posterior 
tibia tawny. There seem to be several varieties of this species, 
which is a common vernal insect. Length 3 to 4 lin. 
1 I-—2 
