1 O B A. 



2. Head (including eyes) only about or little more than 

 two-thirds the width of base of mesonotum. 

 C. Prouotal lateral margins ampliated or an^ulated, 

 the angular apices not or only reaching base uf 

 basal cell of tegniina. 

 h. Costal membrane of tegniina prominently arched 

 at base and dilated. 

 i. Costal nieinbiano of tegmina much narrower 



than costal area Uuijuha. 



ii. Costal membrane of tegmina always as broad 



or broader tlian costal area Pyvita. 



1). Pronotal lateral margins strongly augulately am- 

 pliated, tlie angular apices reaching the middle 

 or near a])e.v of basal cell of tegmina. 

 ////. Costal membrane not promineiitlv arched at 



base and only moderately dilated Vyada. 



1 1. Tegmina with numerous, always more than eight, 

 apical areas. 

 (I. Tegmina semihyaline, only more or less reticu- 

 lately veined oti apical area ; opercuhi not quite 



reaching middle of abdomen Aiifjaviiantt. 



an. Tegmina opaque, venation on apical Imlf dense 

 and furcate ; opercula not extending beyo)id basal 

 segment rulynciird. 



;5 



Genus 1. loba. 



loha, Dist. Ann. Mao-. Nat. Hist. (7) xiv. p. 29a (11)04). 

 Type. I. leopanUna, Dist. 



(I. Wings with base and inner apical margin dark fuscous or black. 



I. leopardina. ; East Africa. 



Jewell opficiUr la leopanUna, Dist. Trans. Ent. Soc. | 

 Lond. 1881, }). 030 ; Waterb. Aid Jdent. | 

 Ins. ii. t. 128. f. 2. 



I. horizontalis. 



Con 



go; 



I'latijpleuva horizontaUs, Kursc/i, Berl. ent. Masiiona- 



Zeitschr. xxxv. p. 92, t. iv. fig. 20 (1890). 

 I. stormsi. 



Paxilopsaltna stormsi, Dist. Ann. Soc. Ent. 

 Belg. xxxvii. p. 70 (1893). 



land. 



Tanganyiku 



Reoion. 



(la. Wings with only the base fuscous or ochraceou3. 



I. veligera. N.E. and 



Dlatypleura reli</era, Jacohi, Zool. Jahrb. xix. : E. Africa. 



p. 766, t. xliv. f. 1 (1904). 

 Platypleura laticoUis, Melich. Verb, z.-b, Ges. , 

 Wien, liv, p. 25 (1904). I 



b2 



