208 ENTOMOLOGICAL SOCIETY 



Corydalis cornutus Linne. 



Moderately common along the Potomac, in July and August. 



Suborder STEGOPTERA. 

 Family CHRYSOPIDyE. 



Allochrysa virginica Fitch. 



From oak trees near the National Zoological Park, in July. 

 Chrysopa oculata Say. 



Very common. The first adult is to be seen in the latter part 

 of May, usually in tall grass or shrubbery, less commonly on 

 trees. 

 Chrysopa chlorophana Burmeister. 



From Hyattsville, Md. This species is of more northern oc 

 currence. 

 Chrysopa ypsilon Fitch. 



Hagen records a specimen from Washington. I have not seen 

 it south of New Jersey. 

 Chrysopa albicornis Fitch. 



A few from Falls Church, Va. 

 Chrysopa nigricornis Burmeister. 



Moderately common about the District. It comes to light. 

 Chrysopa columbiana Banks. 



One specimen, the type, from Washington. 

 Chrysopa lineaticornis Fitch. 



Not common. It has been taken at Bay Ridge, Md., in July, 

 and at Plummer's Island, Md. 

 Chrysopa rufilabris Burmeister. 



Very common in meadows and shrubbery, and on trees, from 

 June till October. 

 Chrysopa interrupta Schneider. 



A few from trees, Washington, D. C., July. 

 Chrysopa quadripunctata Burmeister. 



Fairly common, usually about oak trees, from June till Octo 

 ber. 

 Chrysopa medialis Banks. 



A few specimens, the types, from High Island, Md., col 

 lected in September. 

 Chrysopa harrisii Fitch. 



Rather common in pine trees, from July to September, 



