1941] 
Flies of Family Syrphidae 
45 
SOME FLIES OF THE FAMILY SYRPHIDAE, 
MESOGRAMMA 
By Frank M. Hull 
University of Mississippi 
This paper describes some new species of Syrphidae 
from the Neotropical region, derived from various sources. 
Types are in the author’s collection unless otherwise stated. 
Mesogramma vitrea n. sp. 
Male. Length 5 mm.. Head: face and front and antennse 
light, pale yellow, the cheeks black, the vertex golden brown, 
becoming coppery just behind the ocelli. Occiput metallic 
brassy above, greyish white along the sides. Thorax: metal- 
lic brassy brown with a prominent median steel blue stripe 
on either side of which are two dark brown and two light 
brown stripes. Pleurae shining metallic, with a small ob- 
scure yellow spot on the upper part of the sternopleurae and 
the posterior margin of the mesopleurae. Scutellum and hu- 
meri metallic brassy black. Abdomen : highly polished and 
shiny, first three segments wholly black, last two segments 
dark shining reddish brown. Hypopygium shining black. 
Pile of abdomen abundant, rather long, whitish upon the 
margins and lateral portions of all of the segments and 
blackish upon a central stripe down the middle of the abdo- 
men which begins upon the posterior part of the second seg- 
ment. Legs: chiefly shining black, the tips of the femora, the 
tips of the hind tibise and its base yellow. Hind basi-tarsi 
and the three terminal joints dark brownish black. Middle 
of the fore and mid-tibise with an obscure brownish band. 
Anterior tarsi darkened. Wings: pale brownish. 
Holotype male. Sao Paulo, Juquia, J. Lane, Nov. 7. 
Mesogramma picta Sch. variety melleoguttata n. var. 
Female. Length 6 mm. Head: vertex violet, front shining 
metallic black, its narrow sides and the face pale yellow, 
