1914] Tipulidae from Fiji Islands. 243 
Erioptera (Erioptera) oceanica, sp. n. 
Halteres dark at tip; wings light brown; male hypopygium with the 
pleura bearing a chitinized knob at tip. 
Male, length, 6.3 mm.; wing, 5.4 mm. 
Male: Rostrum and palpi brownish yellow. Antenne rather 
long, the flagellar segments rather elongate-oval; if bent backward the 
organ would extend beyond the. wing-base; scape brown, the flagellar 
segments a little paler. Head dark brown and sparsely hairy. 
Pronotum brown, clothed with brown hairs. Mesonotal praescu- 
tum light brownish yellow without apparent stripes but with a row of 
hairs on either side of the middle line; scutum, scutellum amd postno- 
tum brownish yellow, the latter with a narrow brown median line. 
Pleurze light brownish yellow. Halteres rather long, pale, the knob 
dark. Legs pale yellow with the two apical tarsal segments brown. 
Wings with a pale brown tinge, the costal region a little more yellowish; 
veins brown. Venation as in figure 5. 
Abdomen long and slender, pale yellow, the seventh sternite brown. 
Hypopygium with the pleurites very long and slender, densely clothed 
with long yellow hairs; at the tip of the pleurite are two appendages, 
the one a dorsal chitinized appendage, slender at the base, swollen at the 
tip and slightly roughened apically, and a ventral, flattened fleshy lobe 
that is rather truncate at the tip. (See fig. 13). 
Holotype, <&, Nadi, Eiji Is., 7-28, ’13.. Paratype, #, with 
the type. 
Mongoma fijiensis, sp. n. 
Trentepohlii group; wings subhyaline, indistinctly if at all marked; 
legs without white bands. 
Male, length, 6.8 mm.; wing, 5.5-5.6 mm. 
Female, length, 8-8.6 mm.; wing, 6.4-6.6 mm. 
Male and female: Rostrum and palpi yellowish. Antenne with 
the basal segments pale yellow, the flagellar segments brownish. Head 
dark brown. Neck elongate, brown dorsally, yellow beneath. Meso- 
notal praescutum light yellow with three elongate brown stripes, the 
median one broadest in front, narrowed behind and ending at the trans- 
verse suture; the lateral stripes are narrower, beginning just back of the 
pseudosutural fovezee and continue back to the scutum where they 
suffuse the lobes. Scutum yellow, except the central portions of the 
lobes which are brown; scutellum and postnotum dark brown except a 
narrow margin of yellowish. Pleurz light yellow, the sterna a little 
suffused with brown. Halteres rather short, pale yellow. Legs, coxe 
and trochanters pale yellow, femora, tibiz and the first tarsal segment 
brown, the remainder of the legs broken off. Wings with a pale yellow 
suffusion; veins light brown; stigma rather pale; indications of slightly 
darker seams along the cord. Venation: (See figure 6). Fusion of 
Ist A and Cty slight. 
Abdominal tergites dark brown medially, this mark in the shape of 
along triangle with its point directed cephalad; sternites pale yellow. 
