tucker: collecting insects. 63 



LIST OF HEMIPTEKA-HOMOPTEKA. 



The explanations given at the beginning of the list of the 

 Heteroptera are also applicable to the Homoptera here listed. 

 The valuable work of Professors Gillette and Baker on the 

 Hemiptera of Colorado is indicative of what possibilities 

 await similar investigation within the confines of Kansas. 



Although the whole time I have spent in collecting insects 

 in Colorado would hardly be worth consideration, my list 

 herewith, however, refers to forty-seven species found in that 

 state compared with ninety-eight species taken in Kansas, 

 but in this count sixteen species were collected in both states. 

 In the Colorado bulletin, the number of species of Homoptera 

 credited in any way to me as the collector is twenty-eight, 

 while the lack of such acknowledgment in regard to one other 

 species seems accountable to an oversight. Three species 

 and three varieties of my Colorado additions are not recorded 

 in the bulletin. Of those that are, or should be, acknowledged 

 in the bulletin, six species of jassids were described as new ; 

 one cercopid was described as a new species, though it is now 

 regarded as a variety ; and one fulgorid was mentioned as a 

 new species but not described. All these make a total of 

 seven new species and one new variety of my collecting in 

 Colorado. There are forty-one species new to the Kansas 

 list. 



For assistance in the determination of numerous species, 

 most of which were new to the University collection, acknowl- 

 edgments are due to Prof. E. D. Ball, especially for work on 

 the Jassidse, excepting, however, the Typhlocybinae, which 

 received the attention of Prof. C. P. Gillette. Mr. E. A. 

 Schwarz kindly identified some psyllids, and Mr. Otto Heide- 

 mann has also aided me. Mr. E. P. Van Duzee very kindly 

 reviewed my preliminary list, making some changes and 

 other corrections which were of material help. 



Names of species in all the families are arranged alpha- 

 betically when more than one occurs in a genus. 



