THE CANADIAN ENTOMOLOGIST. 
83 
clothed outwardly with long pale hairs, on the inner or ventral 
face with numerous black chitinized points. 
Habitat. — Phillippine Islands. 
Holotypc, cf, Phillippine Islands, July. Labelled " F. Ceisey, 
Wash. Thru Miss Ludlow." 
Allotype, 9 , topot}^pic. 
Genus Mongoma Wcstwood. 
1881. Alongoma Westwood; Trans. Ent. Soc. Lond., p. 364. 
Mongoma giiamensis, sp. n. 
Fragilliiiia group; colour dark brown; no white on the legs. 
Male. — Length 6.8 mm.; wing, 7.1 mm. 
Rostrum and palpi yellowish brown. Antennic browmish 
yellow, the flagellar segments elongate, brown, clothed with abun- 
dant pale hairs. Head grey. 
Fig. 12. — Mongoma guamensis. 
Thoracic dorsum light brown, the pleune lighter coloured, 
more yellowish, especially ventrally. Halteres light brownish 
yellow, the knobs darker. Legs with the coxae and trochanters 
dull yellow, femora dark brown, paler at the base, tibiae dark brown, 
tarsi much paler, almost yellow\ Wings hyaline, the stigma 
indistinct; veins dark brown. Venation as in figure. 
xAbdominal tergites brownish grey; sternites more \^ellowish. 
Habitat. — Island of Guam, Ladrones. 
Holotype. cf , Guam. Ladrones, D. T. Fulloway coll. No. 1385. 
This species diflers from all of the related regional species of 
the fragillima group by the lack of white on the legs, pennipes O.S., 
tenera O. S., and pallidiventris Brun. having the tarsi snowy-white. 
M. cariniceps End. from Sumatra is a very different insect from 
any of these species and is easily separated by its large size and 
orange colour. M. albipennis Meij. from Java is larger than 
guamensis and has the wings and veins whitish. 
