38 E. T. CRESSON. 



than half the length of body; thorax delicately punctured, nietathorax 

 rounded, smooth and polished; abdomen strongly clavate, smooth and 

 polished, Length 85 lines. 

 One specimen. 



Genus EXOCHUS, Grav. 



1. Exochus caeruliventris, n. sp. 



S . — Black, clothed with a short pale pubescence; abdomen dark 

 steel-blue; palpi, scape beneath, tips of four anterior femora, all the 

 tibiae and tarsi except tips, and most of tegula?, white; wings hyaline, 

 iridescent, nervures black. Antenufe as long as head and thorax ; 

 mesothorax sparsely and delicately punctured ; metathorax with two 

 central longitudinal carinse confluent with a central and a lateral ob- 

 lique one at tip, areolet small, triangular, petiolated ; abdomen strongly 

 punctured, first segment bicarinated at base. Length 3 — 3} lines. 



Threes specimens. (Sumichrast Coll. No. 52.) 



2. Exochus tricarinatus, n. sp. 



% . — Black, shining, subpubescent ; face, mouth and tegula). yel- 

 lowish ; antennjc and legs fulvous; posterior coxae, and sometimes their 

 trochanters and femora, black, base of tibiae pale; wings hyaline, iri- 

 descent, nervures black. Antenna? as long as head and thorax, the 

 latter flattened above, closely and very finely punctui-ed ; scutellum 

 elongate, smooth and polished, lateral margins carinate; metathorax 

 with a lateral and two central, longitudinal carina?; areolet of wings 

 wanting; abdomen densely punctured, first segment with four and the 

 second and third each with three longitudinal carinas, those on the 

 third segment not reaching the tip. Length 21 — 3 lines. 



Two specimens. 



3. Exochus pulchripes, n. sp. 



%. — Color Vermillion, smooth and polished; head black ; face ex- 

 cept a short central line, clypeus, mouth, lower part of cheeks, line on 

 each side of antenna? and spot on each side of ocelli, white ; antenna; 

 entirely black ; prothorax and lateral margins of mesothorax black, 

 upper margins of the former and spot on tegula?, white ; wings dusky 

 hyaline, iridescent, nervures black ; four anterior legs white, the ante- 

 rior femora, tibire and tarsi behind, the intermediate femora above and 

 behind except tips, their tibia? and tarsi, and the posterior tarsi, black, 

 rest of posterior legs vermillion. Antenn^x;, slender, longer than head 

 and thorax; body smooth and polished, metathorax and abdomen 

 without elevated lines; areolet of wings wanting. Length 21 lines. 



One S specimen. A very handsome species. 



