African Species of Erotyliclse. 1 13 



Antenara not veiy slender, with tlie club well- 

 marked. 

 Joints of the antennal club strongly oblique . Munodacne, 

 Joints of the antennal club not strongly 

 oblique. 

 Body strongly tapering behind^ prothorax 



relatively broad Plagiopisthen. 



Body not strongly tapering behind, pro- 

 thorax not very broad Megalodacne. 



Last joint of the maxillary palpus transverse. 

 Gense sharply elevated at the sides of the 

 mouth. 

 Body and anteunaa long ; tarsi more dilated. 



PiOiternum not pointed in front Encaustes. 



Prosternum pointed in front Micr encaustes. 



Body and antennae short ; tarsi less dilated . Aalacochilus. 

 Genae flat. 

 Head not dilated. 



Club of the antenna very broad and 



compact Petaloscelis. 



Club of the antenna not very broad and 

 compact. 

 Eyes very large and coarsely facetted . . Amhlyopus. 

 Eyes not very large and coarsely 

 facetted. 

 Prosternum not bilobed behind .... Tritoma. 



Prosternum bilobed behind Palceolyhas. 



Head greatly dilated Zi/thonia, 



4th joint of the tarsus not reduced Dacne. 



Club of the antenna solid Euxestus. 



At the end of this paper I have given a revised syno- 

 nymical list of the African species. 



Megalodacne lata, sp. n. 



Nigra, nitidissima, singulo elytro bis rufo-fasciato, fasciis valde 

 undulatis, ad suturam haud attingentibus, prima post-humerali, 

 secunda post-mediana, obliqua ; eloiigato-ovalis, convexa, capita 

 et pronoto sat fortiter et crebre, sed hujus medio laevius, punctatis, 

 pronoti lateribus leviter arcuatis, distincte margiuatis ; elytris 

 leviter punctato-striatis, subtilissime punctulatis : ^ 



cJ , tibiis omnibus valde arcuatis, abdomine subtus medio dense 

 ilavo-pubescenti. 



Long. 10-11 mm.; lat. max. 4-5-5 mm. 



Nyasaland : Mlanje. 



A series was taken by Mr. S. A. Neave in November and 

 December. 



It is a species of similar size, shape, and markings to 

 M. {Episcaphula) repanda, K\., and piciventris, Gorh., but 

 is not red beneath and is much more smooth and shining 



