580 Mr. O. E. Janson on American Cetoniida!. 



The female has the dark markings on the upper side Letter 

 defined, the clypeiis, underside and legs shining black, irrorated 

 with cinereous, is more strongly punctured beneath and has 

 tAvo teeth on the anterior tibiae. 



Balzar Mountains, Ecuador (lUingworthj. 



Allied to G. hebraica, Drap., smaller, broader and less con- 

 vex, less punctured above and differently marked. 



Gymnetis Ixxharica, u. sp. 



$ Deep black, opaque, elytra Avith the external margins and 

 numerous irregular, confluent, transverse marks pale yellow. 

 Head sparsely and finely punctured, clypeus qiiadrate, the apex 

 elevated and sinuous. Thorax Avith scattered fine punctures at 

 the sides, the posterior angles acute. Elytra Avith obsolete roAvs 

 of punctures on the disc, the suture elevated behind and slightly 

 produced at the apex ; epimera large, Avith a shining tubercle. 

 Pygidium finely strigose Avith sparse short pubescence. Beneath 

 sparsely punctured at the sides, mesosternal process large, bent 

 doAvn, obtuse at the apex and shghtly prominent in front; anterior 

 coxaj Avith broAvn hairs, the tibiaj Avith tAvo small teeth. Length 

 21-24 mm. 



The female is shorter and broader, more strongly punctured, 

 with the clypeus, underside and legs shining and the teeth on 

 the anterior tibiaj larger. 



Balzar Mountains, Ecuador (Illingworth). 



This fine species belongs to the holosericea group, and varies 

 considerably in the extent of the yelloAV markings on the elytra, 

 which in some specimens are so extended as to leave only the 

 suture and a fcAV small spots of the ground colour, the thorax ia 

 often marked Avith several small obscure yelloAv spots. 



