138 DAVENPORT ACADEMY OF NATURAL SCIENCES. 



ramentosiis will be found to occur on cottonwoods instead of willows, 

 as described, and include both 7-iifus arid monilifei-cE, although the ma- 

 terial now at hand will not warrant such a conclusion. 



Idiocerus striola Fieb. 



Idiocerus striola Fieb. Verb, zool-bot., Gesell. Wien, X\'III., p. 453, 

 1868 ; Van Duzee, Cat., p. 262. 



This was originally described by Fieber as a European species in 

 1868, and so listed in his catalogue, 1872, crediting it to "Sithka"* 

 each time. It is evidently another of the alternate veined series and 

 may well be alternates of Fitch, as that species is already known to be 

 widely distributed and the darker specimens, such as would be ex- 

 pected to occur in such high latitude, answer the short description. 



Idiocerus distinctus G. & B. Hemipt. Colorado, p. 75. 



The description of this species was drawn up from a single female 

 and is wanting in several essential points, so that without an examina- 

 tion of the type, which unfortunately has disappeared from the Colo- 

 rado collection, it can not be accurately placed. 



Steamboat Spring, Colo., on willow (G. & B.). 



Idiocer7is mimicus G. & B. Hemipt, Colorado, p. 76. 



The type of this species is also lacking from the Colorado collection, 

 which is still more unfortunate, as there is a discrepancy between the 

 description and the figure that accompanies it; the description giving 

 the pronotum as unicolorous, while the figure shows four large black 

 spots on the disc. 



Fort Collins, Colorado, on black walnut (G. & B.). 



» •' Sithka " (Fieber), " Sitka " (V. D. in Catalogue). 



