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XXV. Descriptions of neio genera and species of 

 South American Eumolpidte, chiefly from 

 the Amazon region. By Joseph S. Baly, 

 F.L.S. 



[Read August 7th, 1878.] 



List of Species. 



Eulampra (n. g.) Batesi. 

 Chrysodina nigrita. 

 Chalcoplacis femorata. 



„ elephas. 



„ hirticoUis. 



„ ingenua. 



„ alternata. 



„ nitidicollis. 



Chalcophyma ecliinata. 



„ cupreata. 



Lamprosphcerus diversicornis. 

 „ fulvitarsis. 



Lamprosphcerus biplagiatus. 



J, pulcher. 



„ generosus. 



„ ruficcps. 



,, lateralis. 



Colaspoides dorsata. 

 „ ornata. 



„ Deyrollei. 



Trichochalcea (n. g.) rugata. 

 Typophorus JBneipenuis. 

 Paria vittaticollis. 



Genus Eulampra. 



Corpus elongato-ovatum, convexum. Caput breve, in 

 tlioracem fere immersum, oculis distantibus ; antennis 

 corporis dimidio vix longioribus, robustis, articuHs ultimis 

 sex compressis et dilatatis. Thorax latus, convexus. 

 Elytra thoracis basi vix latiora, ad apicem paullo attenuata, 

 substriatim punctata. Pedes robusti, breviores ; femorihus 

 paullo incrassatis ; tihiis simplicibus ; unguiculis appendi- 

 culatis. Prosternum elongatum, ad apicem dilatatum, 

 lateribus sinuatis, apice concavo-emarginato, angulis pos- 

 ticis acutis ; disco longitudinaliter concavo ; episterno 

 antico margine antico recto, angulo exteruo ad thoracis 

 augulum anticum non producto. 



Type, Eulampra amazona. 



Eulampra differs from Spintherophyta in its more 

 elongate body, thickened antennae in the $ sex, thickened 

 thigs, and in the different form of the prosternum. 



TRANS. ENT. SOC. 1878. — PART IV. (dEC.) 



