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 SUWENZORI EXPEDITION REPOETS. 



7. NEUEOPTEEA. 



Bii W. F. KiRBY, F.L.S., F.E.S. 



Eeceived November 13, read November 17, 1908. 



I GIVE in this and the following report lists of the species of named Neuroptera and 

 Orthoptera from Ruwenzori in the Natural History Museum. All these, except a 

 few noted as collected by Mr. Scott Elliot, were obtained by the Hon. Gerald Legge 

 and Mr. A. F. R. WoUaston during the recent expedition to the district. A new 

 genus and species of Dragonfly, a new species of Ant-lion, two new species of 

 Cockroach, and a new genus and species of Grasshopper are here described. 



Suborder ODONATA. 

 Family Libellulidje. 



Genus Palpopleura.. 

 Rambur, Insectes NevroptereSj p. 129 (1842). 



Palpopleuea LUCIA Drury. 

 Libellula lucia Drury, Illustrations of Exotic Entomology, ii. pi. 45. f. 1 (1773). 



Three specimens : a male and a yellow form of the female taken at Mokia, S.E. 

 Ruwenzori, on May 18 and 21 respectively, at a height of 3500 feet; and a specimen 

 of the white form of the female, taken in the Mubuku Valley, E. Ruwenzori, at a 

 height of 6000 feet. 



Genus Accaphila, gen. n. 



Male. — Eyes touching ; frontal tubercle entire, very slightly arched, truncated in 

 front ; abdomen long, rather slender, second and third segments cariuated, very slightly 

 thickened at base, but with the sixth and seventn segments widened, as in the South 

 American genera Dythemis and Macrothemis. Wings rather long and narrow, 

 pterostigma moderately long : fore-wings with 11 continuous antenodal and 7 post- 

 nodal cross-nervures ; the right fore-wing with a 12th rudimentary discontinuous 

 cross-nervure ; sectors of the arculus stalked, nodal sector hardly waved ; loop-nervure 

 open to the hind margin; no supra-triangular nervures, one cross-nervure in the 

 lower basal cell; triangle regular, traversed, followed by one row of two or three 

 cells, and then by two rows of cells, increasing only towards the hind margin ; sub- 

 triangular space rather longer than broad, consisting of 3 cells : hind-wings with 

 8-9 antenodal and 8 postnodal cross-nervures; triangle free, its base coinciding 



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