238 HOMOPTERA 



233. Genus DACARTHA DISTANT 



Dacartha Distant, Rhynch. Notes Sig (1916). 



Characteps : An African genus which is closely related to the Oriental genus Emphusis but with 

 the posterior process higher above the scutellum and with a much less swollen and crescentiform 

 pronotum. Head subquadrate, broader than high; base weakly arcuate and sinuate; eyes large, ovate 

 and protruding; ocelli large, prominent, farther from each other than from the eyes and situated a little 

 above a line drawn through centers of eyes; inferior margins of genae sloping and sinuate; clypeus very 

 broad, extending for half its length below inferior margins of genae, tip broadly rounded. Pronotum 

 strongly convex, somewhat swollen and crescentiform in front, bearing a pair of short, sharp supra- 

 humerals and a long curving posterior process; metopidium vertical, strongly convex, a little broader 

 than high; median carina faintly percurrent; humeral angles heavy and blunt; suprahumeral horns 

 strong, short, sharp, not as long as the distance between their bases, strongly triquerate, extending 

 almost directly outward with the tips sHghtly curved backward; posterior process long, strongly 

 tricarinate, decurved, arising from well above the scutellum but bending downward to touch the tegmina, 

 tip acuminate and extending well beyond the internal angles of the tegmina; scutellum entirely exposed, 

 subtriangular, a little longer than its breadth at base, tip deeply notched. Tegmina long and subhyaUne; 

 base narrowly coriaceous and punctate; veinsheavy; five apical and two discoidal cells; tip pointed; 

 apical limbus well developed. Legs simple; femora cyhndrical; tibiae triquerous and spined; hind tarsi 

 very much longer than the others. 



Typo nyasana Distant. 



Geographical distpibution : Both of the representatives of this genus are natives of Africa, 

 I. hyalina Pelaez, Memb. Fernando Po 65 (igSS). — Pl. 12, fig. 207. Africa, Kameroons. 

 3. «jasa«a Distant, Rhynch. Notes Sig (1916). Africa, Nyassa, Spanish Gui- 



nea. 



234. GENUS IMPORCITOR DISTANT 



Impopcitop Distant, Faun. Brit. Ind. App. iSy (1916). 



Chapacters : We have not seen either of the species representing this genus but Distant's 

 description and his excellent figure of the type species (which we are reproducing as our illustration of 

 the genus) makes it possible to state the very definite generic characters as follows : Head subquadrate, 

 broader than high; base highly arcuate and feebly sinuate; eyes large, globular and protruding; ocelli 

 small, inconspicuous, farther from each other than from the eyes and situated above a line drawn 

 through centers of eyes ; inferior margins of genae sloping and rounded; clypeus projecting for half its 

 length below the inferior margins of the genae, tip pointed. Pronotum convex but not crescentiform, 

 and bearing short, heavy suprahumerals and a very sinuate posterior process; median carina vertical, a 

 little broader than high; humeral angles heavy and blunt; median carina strongly percurrent; supra- 

 humeral horns stout, triquerous, as long as the distance between their bases, extending outward and 

 upward with the tips depressed ; posterior process strongly sinuate, arising just above the scutellum and 

 then following the line of the inner margins of the tegmina, tip acute and extending well beyond the 

 internal angles of the tegmina; scutellum well exposed, triangular, about as broad as long. Tegmina 



