Staph yliiiidce of the Amazon Valleij. 1G3 



each side. Scutellum black, closely punctured. Elytra 

 about as long as the thorax, deep red, rather sparingly and 

 moderately closely punctured. Hind body rather closely 

 punctured, and with the pubescence rather long ; it is 

 black, with the hind portion of the 6th and the Avliole of 

 the 7th segment yellow ; beneath it is closely and rather 

 coarsely punctured. The legs are reddish ; the front 

 femora with black spines (in the male, at any rate), the 

 hind femora Avith only one or two short spines near the 

 base. The breast is pitchy. 



In the male the head is large, being much broader than 

 the thorax ; the female is unknown to me. 



Ega ; one male. 



11. Belonuchus armatus, n. sp. Subdepressus, niger, 

 nitidus, antennarum basi apiceque, et pedibus obsciu'e 

 testaceis, elytris rufis; abdomine crebre punctato, segmento 

 idtimo, praBcedentisque apice piceo-testaceis. Long. corp. 

 4^ lin. 



Mas : abdomine segmento 7° ventrali apice medio ex- 

 ciso, trochanteribus posterioribus elongatis. 



Fem. latet. 



Antennfe pitchy black, with the basal joints pitchy, and 

 the apex again paler. Palpi reddish, mandibles pitchy 

 red. Head broad and rather short, much broader than 

 the thorax, Avith two deep punctures on the longitudinal 

 impression behind the labrum, Avith tAvo others on each 

 side betAveen the eyes, and again others toAA^ards the hind 

 angles. Thorax narroAA^er than the elytra, rather longer 

 than broad, distinctly narroAved behind, Avith a series of 

 five coarse punctures on each side the middle, and outside 

 these Avith about six punctures on each side ; it is, like 

 the head, of a shining-black colour, faintly tinged AAdtli 

 brassy. Scutellum large, blackish, closely punctured. 

 Elytra red, about as long as the thorax, moderately closely 

 and not coarsely punctured. Hind body blackish, AA^th 

 the hind part of the 6th segment, and AA'ith the base and 

 apex of the 7th, pitch}^ yellow ; it is not very densely 

 punctured, but the black pubescence on the penultimate 

 segments is dense and very coarse. The legs arc dark 

 yelloAv, Avith the coxa3 still darker. 



In the male the front femora bear rather long black 

 spines, the hind femora appear to be without spines, but 

 the trochanters project as a long sharp tooth ; the A'cntral 



M 2 



