Staphyllnidai of tJie Amazon Valley. 253 



impimctatus, parclus setosus ; anteniiis apice pallidloribu?, 

 elytrorum disco abdominisque apice obscurioribus. Long. 

 Corp. If lin. 



This insect so extremely resembles S. distans, that to 

 describe it would be in most points to repeat the descrip- 

 tion of that species ; it is, however, rather less elongate in 

 all its parts, so that the 10th joint of the antenna? is hardly 

 as long as broad, and the hind tarsi are distinctly shorter 

 Avhen compared with those of S. distans. 



In the male the hind margin of the ventral plate of the 

 6th segment of the hind body is broadly but not deeply 

 emarginate at the extremity, and the 7th has a small 

 notch, and the adeagus itself is considerably shorter than 

 in S. distans. 



Tapajos ; six male, two female individuals. 



7. Scopaus IcBvis, n. sp. Rufo-testaceus, nitidus, fere 

 impunctatus ; elytris abdominisque apice nigricantibus, 

 femoribus quatuor posterioribus apicem versus leviter 

 infuscatis. Long. corp. 1^ lin. 



Closely allied to S. distans and laxus, but considerably 

 smaller. Antennee rather short, a good deal shorter than 

 head and thorax, a little thickened towards the extremity, 

 reddish, Avith the apical joints a little paler than the middle 

 ones ; 3rd joint shorter than 2nd, 8 — 10 not so long as 

 broad. Head broader than the thorax and as broad as 

 the elytra, rounded at the sides, but Avith the vertex a 

 little truncate, the surface shining red, without sculpture. 

 Thorax longer than broad, very convex, a good deal nar- 

 rower than the elytra, much rounded at the sides, being 

 greatly narrowed towards the front and a good deal to- 

 wards the base, shining red, impunctate. Elytra scarcely 

 longer than the thorax, shining, blackish, without sculp- 

 ture. Hind body narrow at the base, a good deal dilated 

 towards the extremity, the basal segments reddish, the 

 apical ones blackish ; the surface very finely and indis- 

 tinctly punctured. Legs yellow, the outer portion of the 

 four posterior femora slightly infuscate ; the hind tarsi 

 slender and long, a good deal more than half the length of 

 the tibioe. 



Amazons ; a single female, without more special 

 locality. 



