268 NEW YORK STATE MUSEUM 
Sulsgemis iene Warbderil, SxPOlitms, jJOmmsomi, 
MEGS, MKMIMOSMS, PUlyEeruUsS, PUMCEetIpPEMMIS, 
SStIpSes, SStUlOSuUS, Varicolor, Veouustulms. 
Genus JOHANNSENIELLA 
Williston, 1907 
Ceratolophus Kieffer is a synonym. Name changed owing to 
preoccupation. is 
The type of this genus is nitidus Macquart. 
The following species are North American representatives of the 
CHUSs ABMCSMMAINIS, ArGemlLaAcus, DWimaculatus, 
CAwCGdellin, Givyersums, tilayiceps im so, gilyws, 
lACECNOCMMAIS, IOMNGICOLMIS, MaACUIIDeMMIS, maw-= 
MiMemMrilS WM, Gi. MACMHS, MmEDWMlOSuUS, PIEtUS, 
DOULERS, Sti@malis, amd wiridis. 
Johannseniella flaviceps n. sp. 
The species described on page 105 (Bul. 86) may be called 
tlaviceps. ‘To the description must be added that the media 
forks proximad of the R-M cross vein and that all claws are small 
and equal. 
Johannseniella magnipennis n. sp. 
Male. Head cinereous, mouth parts and antennae fuscous, 
the palpi and basal joint of the antenna rather paler. Antennae 
rather slender, about as long as the thorax, short haired, joints 
cylindric-oval. Eyes widely separated. Thorax densely covered 
with a cinereous bloom, covering also the sternum, scutellum and 
the mesonotum. Pile of the dorsum short, sparse, and pale. 
Abdomen, which is much shrunken in both specimens, is yellowish 
brown to brown; genitalia darker, apical lobes yellowish, hairs 
yellowish. 
Legs elongate, brown, including coxae; tarsi white, the apical 
joint of each foot black; hairs of femora and tibiae sparse, short 
and pale; fore metatarsus about two thirds as long as its tibia; 
last tarsal joint with two rows of stout blunt spines on under side, 
fourth joint slightly broadened, somewhat shorter than the fifth; 
claws simple, equal, about half the length of the last tarsal joint; 
tarsi ciliate with fine stiff hairs on the flexor surface. Wings wholly 
hyaline, including the veins except the cross vein which is brownish; 
wing extremely long and broad in proportion to size of fly, extend- 
ing considerably beyond apex of the abdomen, anal angle especially 
