( '•■59 ) 



50. Omoptycha mirabilis sp. nov. 



6- O. nigTO-cvanea. Caput testacenm, verhice nigni. itnticp transverse im- 

 pressiim, non excavatnm. Antennae testaceae, scapo vix arcuato. apice dentato. 

 Prothorax niger, lateribus fortiter rlilatatis, parte dilatata antioe abrnpte constrieta, 

 prominente, antice et postice constrictns ; discfi jinstine elevato, medio earinato. 

 iScutellnm nigrum, triangnlare. Elytra protliorace paulo latiora, parallela, apicibus 

 obli(|ue rotnndatis, singuhim leviter tricariuatnm ; minute punctato-chagrinata, 

 epipleuris antice parum rufesoentibns. Prosterunm nigrum, margine antico fer- 

 rugineo, densiter punctato-chagrinatnm : mesosternum nigrum, medio ochraceum ; 

 metasternum ochraceum, antice et lateraliter pro maxima parte nigrum. Abdomen 

 grossissime punctatum, segmento quinto emarginato. sexto parte dorsali brevi 

 rotundata, quinto et sexto ferrugineis. Pedes testacei. Nigro-vebitiiia, sternorun: 

 jiartes ochraceae pube flava vestitae. 



Long. 35 mm., elytr. 25, lat. 8f. 



Head brick red, with the vertex and ti]i ol' mandibles black ; transversely 

 impressed behind the epistome. which is somewhat elevated ; the front nearly 

 plain, not densely but rather strongly punctured ; the a.ntenuary tubercles finely 

 shagreened. Mandibles covered with dense elongate punctures at the outside. 

 Antennae — broken at the sixth joint in our specimen — testaceous, the scape scarcely 

 arcuate and not densely punctuated, with a very feeble longitudinal groove. 

 Prothorax black, constricted in front and at the base, the front constriction deep 

 and broad on tire upperside ; the base with a deeji transverse groove : the disc 

 elevated in front of this groove, its middle cariuatc ; the sides of the prothorax 

 strongly dilated, the dilated [)art straiglit in the middle, oblique posteriorly, and 

 strongly produced in front into a rounded lobe. Scutellum triangular and narrow, 

 black, its margins slightly jjitchy brown. El^vtra cyaneons, the outer margins in 

 front narrowly bordered with ferruginous ; finely shagreened ; each elytron has 

 three raised lines, the intermediate of which extends to the obliquely rounded apex. 

 Prosteruum strongly puuctuate-shagreened, like the dilated j)art ol' the sides of 

 the prothorax ; black, with the front margin ferruginous ; mesosternum blackish, 

 with a brick red macula in the middle ; metasternum ferruginous, its front portion 

 and sides nearly black. Alidomen bluish black, somewhat shining, with the fifth 

 and sixth segments ferruginous ; the punctures arc very coarse, and couflneut here 

 and there ; the fifth segment broadly but not deeply emarginate, the dorsal ])art of 

 the sixth small and rounded. Legs testaceous. Body above clothed with a short 

 black velvety pubescence ; the yellowish maculae of the metasternum covei-ed with 

 a silky yellow jiubescence. 



Hfil). One s]iecinien labelled " West Africa." 



Mecosaspis Thoms. Type : M. violafen Thoms. 

 JIuzzle elongate and triniigular : antennae thick, almost reaching the tip 

 of the elytra : sides of ])rothorax with a conical tooth ; scutellum long ; elytra 

 narrowed behind ; anterior coxal cavities closeil posteriorly : prosternal process 

 tuberded behind ; four anterior femora clavate, sinuate at the ajjcx or tuothed, 

 hind ones slender, tootln'd or not : four anterior tibiae sliarplv carinate. 



y 



57. Mecosaspis atripennis (Hope). 



.Senegal, Sierra Jjcone, Gold (loasl- 



