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U.S. NATIONAL MUSEUM BULLETIN 256 



Cactus Species 

 Opuntia — Continued 

 versicolor Engelmann 



weberi Spegazzini 

 wetmorei Britton & Rose 

 whipplei Engelmann & Bigelow 



wilcoxii Britton & Rose 



Peniocereus greggii (Engelmann) 



Britton & Rose 

 Pereskia sacharosa Grisebach 

 Rhipsalis Gaertner 

 Stetsonia Britton & Rose 



Trichocereus (Berger) Riccobono 



terscheckii (Parmentier) Britton & 



Rose 

 chiloensis (Colla) Britton & Rose 

 cuzcoensis Britton & Rose 



Insect or Mite 



Coenopaeus palmeri (LeConte) 

 Disonycha varicornis Horn 

 Chelinidea hunteri Hamlin 

 Dactylopius sp. near confusus Cock- 



erell 

 Dactylopius sp. near confusus Cock- 



erell 

 Alberada parabates (Dyar) 

 Cahela ponderosella (Barnes & 



McDunnough) 

 Dactylopius newsteadi Cockereil 

 Cactophagus spinolae var. validus 



LeConte 

 ?Cactobrosis fernaldialis Hulst 



Chrysobatys cambogialis (Guenee) 

 Diplacaspis echinocacti Bouche 

 Alcidion cereicola Fisher 

 Leptoglossus dentatus Berg 

 Sigelgaita transilis Heinrich 

 Tricorynus Waterhouse, sp. 

 Leptoglossus dentatus Berg 

 Cactoblastis bucyrus Dyai 



Sigelgaita chilensis Heinrich 

 Nanaia substituta Heinrich 



