CHRYSOMELID BEETLES, CHLAMISESTAE — ^MONROS 



461 



89, a. Between the elytral irregularities, small and superficial circular 

 punctures, which are more distinct because of then dark bottom, the 

 punctures not confluent in any part of the elytral surface. 



Head. — Flat, covered with large and superficial punctures, which 

 are more apparent on the posterior half; antenna with second and 

 third joints minute and opposed at the apex; distinctly saw-edged 

 from the fourth joint. 



Prosternum. — Funnel shaped, with a transversal constriction behind 

 the anterior margin. 



Legs. — Moderately long and robust; the last tarsal joint rises half 

 its length above the lobes of the third. 



Abdomen. — Sides of the first visible segment without lateral tubercle; 

 pygidium feebly convex, the surface flat and uniformly covered with 

 circular punctures of the same form as those covering the rest of the 

 abdomen; in the holot3rpe female the abdomen greatly distended and 

 the genital apparatus partly visible. 



Figure 89. — Chlamisus cribricollis, new species: a, Dorsal view, left side, indicating color 

 pattern; right side, showing microsculpture and irregularities; b, lateral aspect. 



Color. — Dirty yellow with the median part of the metathorax black; 

 all the tibiae with an ill-defined dark ring occupying the central third; 

 in the center of the pronotum a black punctiform spot; rest of the 

 dorsal face with ill-defined dirty-brown spots, arranged approximately 

 as indicated in figure 89, a, and extending over the greater part of 

 the dorsal face. 



Measurements. — Length, 4.1 mm.; diameter, 2.5 mm. 



Type.—V.S.'N.M. No. 59007. 



Distribution of material. — Rio Beni, Cavinas, Bolivia, February 

 1922 (1 holotype female, WiUiam M. Mann collector, Mulford 

 Biological Expedition, 1921-1922, in the U. S. National Museum 

 collection) . 



