32 PKOOEEDIIsrGS OP THE NATIONAL MUSEUM vol.77 



green and dry cornstalks, china berries, dry cotton bolls, castor beans, 

 dry figs, stored betel nuts, coffee berries, ginger, Chinese figs, decayed 

 leaves, St. Ignatius bean {Strychnos ignatii) , chocolate beans, mace, 

 nutmeg. Cassia pods, dry oranges, dried apples, dry peaches, koa 

 seed (Acacia pod), mamani seed {Sopho7'a chrysophylla) , kola nuts 

 {Stercitlia acuminata)^ dead wood, St. John's bread seed {Geratonia 

 siliqua) . 



The larvae are white or pinkish. They pupate in their feeding 

 cell surrounded by the powdered excrement. The adults have not 

 the jumping power of some of the related genera. 



In Figure 68 I have drawn the underside of the head, to show 

 the 4-jointed labial palpi and 3-jointed maxillary palpi; and in 

 Figure 69 the undersides of the thorax. 



Holostilpna nitens LeConte, the type of the genus, has leaping 

 power. It is found on dead wood of white oak in Maryland and the 

 District of Columbia. 



The type of Ghoragus is the European sheppardi. Kirby. It bur- 

 rows in the dead branches of Grataegus^ Gastanea^ Fagus^ PyntSy 

 Quercus, Tilia, and Salix. The legs of the larvae are replaced by 

 pseudopods. 



The European G. piceus Schaum breeds in dead branches of Ulmus 

 campestris and Prunus spinosa. 



Ghoragus sayi breeds in the United States in dead branches of 

 Fagus. 



Ghoragus zimmermanni LeConte occurs on Liquidamibar sty- 

 rad-jiua. 



Xenorchestinae, new subfamily 



TABLE OP NOETH AMERICAN GKNEKA OF XENORCHESTINAE 



Upper surface smooth Xenorchestes Wollaston. 



Prothorax punctured; elytra with irregular double rows of punctures. 



Euxenus LeConte. 



The weevils of this subfamily have jumping power. 



The type of Xenorchestes is saltitans Wollaston. 



Xenorchestes americanus Motschulsky occurs along the Gulf Coast 

 in Texas, Alabama, and Florida. It is found on bushes. 



Euxenus punctatus LeConte, the type of its genus, is found on dry 

 palmetto leaves {Sabal palmetto) in Florida. 



Euxenus piceus LeConte is also found on Satal palmetto in 

 Florida. 



