1914] Tipulidae from Fiji Islands. 243 



Erioptera (Erioptera) oceanica, sp. n. 



Haltcrcs dark at lip ; wings light brown ; male hypopygium with the 

 pleura bearing a chitinized knob at tip. 



Male, length, G.3 mm. ; \\'ing, 5.4 mm. 



Male: Rostrum and palpi brownish yellow. Antenna rather 

 long, the flagellar segments rather elongate-oval; if bent backward the 

 organ would extend beyond the wng-base; scape browTi, the flagellar 

 segments a little paler. Head dark browTi and sparsely hairy. 



Pronotum bro\\7i, clothed \\-ith browTi 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 browniish yellow, the latter with a narrow brown median line. 

 Pleune b'ght brownish yellow. Halteres rather long, pale, the knob 

 dark. Legs pale yellow with the two apical tarsal segments brown. 

 Wings with a \ya\q browTi tinge, the costal region a little more yellowish; 

 veins brown. Venation as in figure 5. 



Abdomen long and slender, pale yellow, the seventh stemite brown. 

 II\-popygium v\-ith the pleurites very long and slender, densely clothed 

 with long \-ellow hairs; at the tip of the pleurite are two ajjpendages, 

 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, cf, Nadi, Eiji Is., 7-2S, '13. Paratype, cf, with 

 the type. 



Mongoma fijiensis, sp. n. 



Trentepohlii group; wings subhyaline, indistinctly if at all marked; 

 legs without white bands. 



Alale, length, 6.8 mm.; wing, 5.5-5.6 mm. 



Female, length, S-S.6 mm.; wing, 6.4-6.6 mm. 



Male and female: Rostrum and palpi yellowish. Antennae with 

 the basal segments pale \-ellow, the flagellar segments brownish. Head 

 dark brown. Neck elongate, brown dorsally, }-ellow beneath. Aleso- 

 notal praescutum light yellow with three elongate browni 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 fovcc-e 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. Pleurte light yellow, the sterna a little 

 suffused with brown. Haltcrcs rather short, pale yellow. Legs, coxae 

 and trochanters i^ale yellow, femora, tibiae 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 

 1st A and Cuj slight. 



Abdominal tergites dark brown medially, this mark in the shape of 

 a long triangle with its point directed cephalad ; stemites pale yellow. 



