Zoological Explorations. 289 



Family bibionid.^. 



DiLOPHUS SP. 



Order COLEOPTERA. 



Family chrysomelid.e. 



Trirhabda luteocixcta Mann. Several specimens were 

 obtained. They differ from Californian examples in the 

 smaller size. 



Order TRICHOPTERA. 



Family phrygaxeid.e. 



A single specimen brought back by the expedition seemed 

 to belong to the genus ^y'curonia but is badl}" damaged by 

 immersion in alcohol. 



Order HEMIPTERA. 



The report on these insects is kindly supplied by Prof. 

 Herbert Osborn, of Ames, Iowa. 



Sub-Order HETEROPTERA. 



Family pentatomid.e. 



Perillus exaptus Say. The single specimen of this 

 species seems to agree more perfectly with the original des- 

 cription by Say than any other I have seen hitherto. 



Family capsid^. 



Hadroxema pulverulexta Uhler. I have soecimens of 

 this insect from Illinois, through ]Mr. C. W. Stromberg, which 

 Ciiffer in no particular from the single specimen in this col- 

 lection. 



Brachytropis (?). Two specimens of Capsidte belong- 

 ing to the sub-famil}?^ Miraria appear to fall in this genus and 



