J245 



Euchloræ, Phyllop erthæ, Melo- 

 lonthæ, Rhizotrogo, Sericæ. 



Ocelli 

 duo, rotundati, leviter eminentes, laterales, acetabulis anten- 



narum pervicini Tro gi, 

 nulli reliquis . 



Acetabula antennarum 

 conice eminentia, basi acute circumscripta, articulum pro- 

 prium antennarum simulantia. 



Antennæ 

 filiformes, laterales, proversæ, deorsum et introrsum directæ; 

 graciles plerisque, 



robustiores Cetoniæ, Trogi, Passalo; 

 biarticulatæ Passalo, 

 triarticulatæ Trogi, Geotrypæ, Lu c an o, Dorco, Pia ty - 



cero, Sinodendro, 

 quadriarticulatæ reliquis; 



capitis ferme longitudinis E u c h 1 o r æ, Phylloperthæ, Melo- 



lonthæ, Rhizotrogo, Sericæ, 

 capite manifesto breviores plerisque, 



duplo ferme breviores Osmodermati, Ateucho, Am- 

 moecio, Geotrypæ, Sinodendro, Passalo. 



Appendices sensiles antennariæ 

 perbreves, conicæ, articulo pænultimo et terminali sub api- 

 cem insertæ. 



Articulus primus antennarum 

 obconicus Osmodermati, Cetoniæ, Passalo, 

 cylindricus Geotrypæ, Ateucho, 

 clavate cylindricus Melolonthæ, Rhizotrogo, Luc an o, 



Dorco, 

 clavatus reliquis; 

 æque longus ae crassus Passalo, 

 longior quam crassior tertia parte Cetoniæ, 



