PSILOPTERA. 9 



4. Psiloptera chalconota. 



Statura P. monilis, Chev. ; viridis, crebre punctata, thoracis disco elytrorumque dorso plus minusve rufo- 



cupreis, corpore subtus brunneo-cupreo, tibiis tarsisque cyaneis. 

 Long. 9-12 lin. 



Ildb. Mexico, Puebla, Cuernavaca {Salle). 



A species having the general form of P. monilis, Chev. The head, thorax, and elytra 

 are bright golden green (rather darker than in P. monilis) ; the disk of the thorax is 

 suffused with reddish coppery ; and the dorsal part of the elytra, as far as the fourth 

 stria, is also coppery ; the extreme apex of the elytra is tinted with blue. The head is 

 closely, coarsely, and irregularly punctured. The thorax is about one quarter broader 

 than long, obliquely narrowed in front of the middle, somewhat flattened above near 

 the base ; the punctures on the disk are strong and clear, generally in twos and threes 

 together, leaving the greater part of the surface smooth ; at the sides the punctures are 

 much deeper, and very close and confused ; there is a strongly impressed line along the 

 front margin on each side. The elytra at the base are scarcely broader than the thorax, 

 very gradually narrowed to near the apex, where the attenuation is more rapid. There 

 are some lines of moderately strong punctures ; but they are so constantly interrupted 

 as to be almost lost. There are very numerous golden punctured spots on the dorsal 

 region ; the surface at the sides is very uneven, the raised parts having a tendency to 

 form transverse rugae. The apex of each elytron is slightly obliquely truncated, the 

 outer angle very slightly dentiform. The whole underside of the insect is brownish 

 coppery, with more brassy reflections, very thickly and strongly punctured, the flanks of 

 the presternum being equally strongly punctured as the other parts. The prosternal 

 process is smooth and shining, deeply channelled on each side. The intercoxal process 

 of the abdomen has a smooth ridge on each side ; these ridges are very slightly divergent 

 posteriorly. 



5. Psiloptera monilis, var. 



Hob. Nicaeagua, Chontales (Belt). 



A single example from Chontales, differing from the ordinary type of P. monilis in 

 being rather broader, in being of blue-green colour, and in having the thorax rather 

 angulated at the sides. This may prove hereafter to be a distinct species. 



6. Psiloptera simplex. 



Statura P. monilis, aeneo-fusca j tborace fortiter punctato ; elytris fortiter punctato-striatis, interstitiis dor- 



salibus convexis lsevibus, lateralibus grosse punctatis et confusis. 

 Long. 12± lin. 



Hob. Nicaeagua, Chontales (Belt). 



P. simples agrees in almost every respect with P. monilis, except in being of a 

 brown-bronze colour, and in having the dorsal costee of the elytra not interrupted by 

 biol. cente.-amee., Coleopt., Vol. III. Pt. 1, February 1882. C 



