948 MR. G. A. K. MARSHALL OX [DeC. 11, 



to base ; prostei'iiuni with uniform white scaling. Elytra ovate, 

 broadest at shoulders, which are roundly prominent, sides gently 

 rounded and rapidly narrowed to apex ; upper surface convex, 

 with rather strong and distinctly punctured striae, the intervals 

 plane and coriaceous ; scaling rather sparse, castaneous, the 

 lateral margins and a large area about the scutellum dusted with 

 white scales ; the scutellum with dense, the under paints with sparse, 

 Avhite scaling. Legs testaceous Avith thin pale scaling ; all the 

 femora armed Avith a stout tooth Avhich is denticulate internally ; 

 tibiae not uncinate. 



Mashonaland : Salisbury (G. A. K. 21.). 



Types, J in British Museum, 5 in Oxford Museum. 



Fovuid on a species of Avild fig. 



The aberrant form of the antennal club in this species is A^ery 

 remarkable, and OAAang to the unusual diminution of the funicular 

 joints the slender basal joints of the club might at first sight be 

 mistaken for a portion of the funicle. In all other i-espects the 

 insect is a typical Bcdmiinics, and this structure cannot be con- 

 sidered as having a generic value OAving to the fact that a gradual 

 development of the club in this direction may be ti-aced through 

 B. aurivillii and B. harkeri. 



The foregoing five species of Bcdaninus all belong to the typical 

 form of the genus characterised by the eAddent lateral angulation 

 of the second abdominal segment, the strongly appendiculate 

 tarsal claAvs, the Avidely separated intermediate coxa3, the basally 

 porrect rostrum, and the excessive length of the latter organ in 

 the 5 sex only. 



Of this group only a single South African species has been 

 previously described, a^z. B. suturifer Fahr. The folloAving key 

 Avill perhaps facilitate the identification of the six species : — ■ 



Femora unarmed ^- suturifer Fahr. 



All femora armed Avitli a strong tooth. 



Second joint of antennal club strongly transverse; tibiss 



uncinate. 

 Joint 7 of funicle much longer than 6, appressed to the 



club ; size larger -B. nuhifer, sp. nov. 



Joints 6 and 7 of funicle subequal, the latter not appressed 



to the club ; size smaller B.ficorum, sp. nov. 



Second joint of antennal club longer than broad; tibias 



not uncinate. 

 Antennal club much shorter than funicle ; femoral tooth 



simple. 

 Scape much longer than first joint of funicle. 

 Anterior tibia3 with no median internal tooth; prothovax 



without a central stripe of orange scales . JB. aurivilUi, sp. nov., c? ? . 

 Anterior tibiae with a sharp median internal tooth; pro- 

 thorax with a central orange stripe B. harkeri, sp. nov., $ . 



Scape only as long as first joint of funicle, . . B. harkeri, sp. nov., $ . 

 Antennal club as long as whole of funicle; femoral tooth 



denticulate internally B. dii-ersiconiis, sp. nov. 



Of the remaining Balanini described from South Africa, the 

 majority will have to be assigned to the genus Tr-nola Pasc, of 

 Avhich the type is Balaninus suturalis Boh. This species has 



