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iV 
THE CRANE-FLIES 1013 
. Macrotrichia in apical cells of wings. 
(Seychelles) obscuripennis Edwards. 
PNormmenaumenin i Celle G! WiNGees sev cia «+h usua vs eeic ss @ssscaneueacs+ecsevaves os 4, 
. Cell M, confluent with M3, there being no discal and only three posterior cells. 
(Seychelles) ferruginea (Edwards). 
Cell Tse My and @nd MM distinot from M4, .......20:scseececccvescaceosceearescct? 5; 
. Wings brown, with three white marginal spots in the radial field. 
(Mozambique) albonotata (Loew). 
NVM see nO ppibor medias a NGVOee..1¢ usa kc steer dane <ddacvarsyssswecseersaceues 6. 
. Femora brown, with a broad yellow ring before the tips, this exceeding in area the dark 
tips. 
(Ivory Coast) flavocincta Alexander. 
Femora uniform in color or with a narrow vague pale ring on the fore legs, in the latter 
cases (monroviae, evanescens) this band much narrower than the darkened apex..... ie 
; fe beyond the fork of Ay s.2 0m Ws, subeqal to fee. s..c00.+5 0020 cece svsccvnevas 8. 
fo Dalore, ator close to thie fork OF dig ga... ss cus nuns hab nee en deere usb h sede eweee 12, 
. Wings with a strong dark brown to blackish tinge, without distinct markings.......... 9. 
Wings brighter, with a heavy brown pattern, especially along the cord. 
(Cameroons) helophila Alexander. 
. Cell Zst M2 small, all veins beyond the cell elongated, approximately twice the cell or 
longer; A, +2 elongate, much longer than cell 1st Mo. 
(Cameroons) evanescens Alexander. 
Cell 1st M> large, the veins beyond correspondingly shortened, M, shorter than the cell; 
dey 5 0 Moderate length, shorter ‘than cell st Mo. .....52...22250..02+ nds aeenes 1, 
Thorax entirely black or brownish black; legs entirely black. 
(Nigeria) commutabilis Alexander. 
At least the scutellum and postnotal mediotergite yellow.................00.0000ee ie 
Thoracic pleura and most of coxae black or brownish black; abdomen beyond the base 
black. 
(Sierra Leone) leonensis Alexander. 
Thoracic pleura and coxae chiefly pale; abdomen chiefly yellow, including the hypo- 
pygium, the subterminal segments blackened. 
(Liberia) monroviae, sp. Nn. 
. Size small (wing 7 mm.); antennae short in both sexes; valves of ovipositor elongate, chi- 
tinized; wings whitish, the veins conspicuously seamed with darker. 
(Seychelles) fuscinervis Edwards. 
Size large (wing over 9 mm.); if small in size (capensis and allies), antennae of male 
greatly elongated; valves of ovipositor short and fleshy.....................0-- Is. 
Size small (wing 9 mm. or less); valves of ovipositor short and fleshy; antennae of male 
greatly lengthened; fy» before the fork of Rs + 4, cell Rs small, vein Rs much shorter 
ARR Ipod PEON MCAT Ine oy AAPA Cncrh ine talic pars Gn Unie ate Caos kk meee MEE 14. 
Size large (wing 11 mm. or more); valves of ovipositor elongate, chitinized; antennae of 
male greatly lengthened; f, at or just beyond the fork of R3 +4; cell R; elongate, vein 
Trp AP PROSAMMaely: AS LOM Ss luo thors ess on Shine sale vce sche cee cava nest 16. 
General coloration brown; (Be yellowish brown, the femora and tibiae tipped with darker. 
(Transvaal) humilis Alexander. 
General coloration black; legs black or brownish black.................. 0.0000 cece 15. 
Size larger (wing, <7, 8.5-9 mm.). 
(Transvaal) capensis Alexander. 
Size small (wing, o, 7 mm.). 
(Nigeria to Nyasaland) pusilla Alexander. 
General coloration shiny black; legs black; wings with the costal margin dark brown. 
(Nyasaland) nyasicola Alexander. 
General coloration gray or brown, the mesonotal praescutum with four darker brown 
stripes; femora yellowish, narrowly tipped with brown; wings with the costal 
MuMPee TG CEI SUSE as oie eee Met tit G Gokhe mr orks Kees enna ty es Li. 
Wing-pattern more uniform, the stigma small, not preceded and followed by subhyaline 
areas; FR» usually equal to or longer than R.+3+4; As long, more than twice 
pega 
(Sierra Leone to Nyasaland) tumidiscapa Alexander. 
