286 



I. 



(Xylotrypes, Oryctes, Parasta sia, Osmoderma, 

 Cetonia, Euchlora, Phyllopertha, Melolontha, 

 Rhizotrogus, Serica, Ateuchus, Aphodius, Am- 

 in o e c i u s) 



Instrumentet stridulatoria carina instituta super iore stipitum 

 maxillarium, dentata, ad aream inferiorem, tvberculosam mandi- 

 bularum accommodata. 



Antennæ quadriarticulatæ. 

 . Pedes per paria longitudine crescentes. . . 



Segmenta dorsalia abdominis prior a triplicata. 



Palpi maxillares triartieulati. 



Ocelli nulli. 



Pars manducatoria mandibularum a parte scissoria profunde 

 disereta, penicillo brevi, foveæ inserio, supra et infra instrucla. 

 Molæ mandibularum calce posteriore scopulifera. 



(X ylotrypes, Oryctes, Parastasia, Osmoderma, 



Cetonia, Euchlora, Phyllopertha, Melolontha, 



Rhizotrogus, Serica) 



Area respir atoria spiraculorum bullam maximam partern 

 amplectens. 



Pedes pilis longioribus crebrati. 



1. 



(Xylotrypes, Oryctes, Parastasia, Osmoderma, 



Cetonia, Euchlora, Phyllopertha, Melolontha, 



Rhizotrogus) 



Malæ maxillarum totæ coalitæ. 

 Apertura analis transversa, terminalis. 



