m the British Museum. 15 



black ; eiglit, niue, and hypopygium reddish ; eighth tergite 

 telescoped beneath the seventh. 



Hub. British East Africa. 



Holotype, (^, Nairobi, June-Julv, 1912 (Dr. A. D. Milne). 

 B.M. no. 1913. 192. 



Type in the collection of the British Museum (Natural 

 History). 



It is with great pleasure that tliis very beautiful Limnobia 

 is dedicated to Mr. F. W. Edwards, in appreciation of his 

 critical studies on tropical Tipulidse. 



Limnobia compta, sp. n. 



Mesonotal prsescutum yellow with a narrow, dark brown, 

 median stripe, before the suture traversed by a broad 

 transverse baud that passes across the me.'>opleura and meso- 

 sternum, completely girdling the body ; scutum with the 

 lobes black; scutellum light yellow; postnotum black; 

 })leura with a silvery-white area behind the black girdle; 

 hal teres black, pale basally; femora obscure brownish yellow, 

 the tips dark brown; wings faintly yellow, with incon- 

 spicuous dark markings ; basal abdominal segments black, 

 ringed caudally with reddish ; segments five to seven black, 

 eight and nine orange. 



Female. — Length about 10"5-11*5 mm.; wing 11-11 6 mm. 



Rostrum and palpi dark brown. Antennae with the scapal 

 segments yellowish brown; flagellar segments pale brown, 

 moderately elongated, and with long secund verticils. Head 

 light brown, sparsely grey-pruinose medially, the lateral 

 portions dark brown. 



Pronotum yellow with a moderately broad, dark brown, 

 median stripe. Mesonotal preescutum subshiny, dull 

 yellowish with a narrow, dark brown, median stripe that 

 broadens out on the posterior half of the sclerite, before the 

 suture with a broad transverse band that forms a cross with 

 the median stripe ; immediately in front of this cross the 

 median stripe is considerably narrowed; the transverse band 

 is continued laterad across the pleura and sternum, com- 

 pletely girdling the body; scutum obscure yellow, the lobes 

 largely shiny black, indistinctly connected with the black 

 pleural band ; scutellum conspicuously light yellow-poUinose; 

 postnotum shiny black. Pleura iiglit yellow with a broad, 

 transverse, black band as described above, this including the 

 niL'sepisternum and mesosternum ; lateral pieces of the 

 postnotum immediately before the bases of the haltercs 

 black, these two black areas enclosing between them a 



