454 (78) Mr. G. R. Crotch's Revision of 



Interstices of the elytra very finely punctulate; sides of the 

 metasternum and episterna coarsely j^unctate. This species has 

 exactly the appearance of an Ischyrus; 8th joint of antennae 

 scarcely dilated. 



Mycotretus scitulus. 



Mycotretus scitulus, Lac. Erot. 154. 

 Rio Janeiro, Bogota, Mexico, Ega (Bates). 

 Elytra clearly punctate-striate, interstices sparingly punctulate; 

 8th joint of antennas black and slightly dilated. 



Mycotretus puncticeps, sp. n. 



Mycotretus 2nmctice2ys, Kirsch in litteris. 



Oblongo-ovatus, fulvus, antennis clava, capite puncto verticali, 

 thorace punctis 6 (2 anticis 4 discoidalibus in linea ai'cuata), elytris 

 epipleuris fixsciisque 2 externe abbreviatis (1 basali, pimcto flavo 

 juxta scutellari includente, 1 paulo pone medium subtriangxilari) 

 nigris; capite thoraceque crebre evidenter punctatis; elytris pro- 

 fund ius punctate striatis, interstitiis parcissime punctulatis; cor- 

 pore subtus Isevi. L. 3|^ lin. 



N. Granada. 



Thorax with a few deeper punctures in the basal sinuation; 

 epipleurse black except just at the base. 



Mycotretus nigrotinctus, sp. n. 



M. puncticipiti valde afiinis, sed minor, capite antice nigro, 

 linea verticali nigro, thorace punctis 2 anticis connectis, elytris 

 epipleui-is totis nigris, interstitiis crebrius punctulatis, pedibusque 

 nigris. L. 2jlin. 



Teapa (Chevrolat). 



Mycotretus Igeviventris, sp. n. 



M. jncncticipiti iterum affinis, sed paulo latior et subtilius 

 punctatus; thorace punctis 2 mediis basin attingente; scutello 

 rubro, fasciis elytrorum liberis, ad suturam interruptis, interstitiis 

 alutaceis, subtilissime parce punctulatis; epipleuris fulvis. L. 

 3 lin. 



Mexico. 



Mycotretus chilensis, sp. n. 



3f. Iceviventri proximus, sed thorace ut in 31. 2^uncticipiti 

 signato, capite concolore, fasciis elytrorum latioribus, per suturam 

 junctis, denticulatis, epipleuris flavis distinctus. L. 2^ lin. 



Chili. 



Elytra faintly punctate-striate, interstices alutaceous, finely and 

 rather sparingly punctulate. 



