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



Interstices of the elytra very finely punctulate; sides of the 

 metasternum and episterna coai'sely punctate. This species has 

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

 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 antennse black and slightly dilated. 



Mycotretus puncticeps, sp. n. 



Mycotretus puncticeps, Kirsch in litteris. 



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

 thorace punctis 6 (2 anticis 4 discoidalibus in linea arcuata), elytris 

 epipleuris fasciisque 2 externe abbreviatis (1 basali, pinicto flavo 

 juxta scutellari includente, 1 paulo pone medium subtriangulari) 

 nigris; capite thoraceque crebre evidenter punctatis; elytris pro- 

 fundius punctato striatis, interstitiis parcissinie punctulatis; cor- 

 pore subtus ]?evi. L. 3Jlin. 



N. Granada. 



Thorax with a few deeper punctures in the basal sinuation; 

 epipleurse black except just at the base. 



Mycotretus nigrotinctus, sp. n. 



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

 linea verticali nigro, thorace punctis 2 anticis connectis, elytris 

 epipleuris totis nigris, interstitiis crebrius punctulatis, pedibusque 

 nigris. L. 2jlin. 



Tea2)a (Chevrolat). 



Mycotretus Iseviventris, sp. n. 



M. punctici2)iti iterum affinis, sed paiilo latior et subtilius 

 puiictatus; thorace punctis 2 mediis basin attingente; scutello 

 rubro, fasciis elytrorum liberis, ad suturam interruptis, interstitiis 

 alutaceis, subtilissime parce punctulatis; epipleuris fulvis. L. 

 31in. 



Mexico. 



Mycotretus chilensis, sp. n. 



J/. Iceviventri pi'oximus, sed thorace ut in M. 2'>uncticipiti 

 signato, capite concolore, fasciis elytrorum latioribus, per suturam 

 junctis, denticulatis, epij)leuris flavis distinctus. L. 2i lin. 



ChUi. 



Elytra faintly punctate-striate, interstices alutaceous, finely and 

 rather sparingly punctulate. 



