

ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XIX. 



APRIL, 1908. 



No. 4. 



CONTENTS: 



Davis A New Aphid on the Virginia 



Creeper 143 



Siiyder Color and Environment 147 



Skinner A New Variety of Papilio 



philenor 149 



Jones Pitcher-Plant Insects III 150 



Hebard A New Genus and Species of 

 Decticinae (Orthoptera) from Cali- 

 fornia 156 



Fall New Scarabaeidae 159 



Engel Notes on Sesiidae 164 



Brimleyand Sherman Additional Rec- 

 ords of Tabanidae (Horse-Flies) of 



North Carolina 168 



Doane New North American Pachy- 

 rhina, with a Table for Determin- 

 ing the Species 173 



Rohwer and Cockerel! Some Oxybe- 



line Wasps from New Mexico 179 



Editorial iSi 



Entomological Literature 182 



Notes and News 183 



Doings of Societies 184 



A New Aphid on the Virginia Creeper. 



(APHIS FOLSOMII n. sp.) 



BY JOHN J. DAVIS, Urbana, 111. 



(Plate VII.) 



Last spring (1907) I noticed numbers of this plant louse 

 on the vines of the Virginia creeper, Parthenocissa (Ampcl- 

 opsis) qninqncfolia, which were growing in an old greenhouse. 

 The old frames of the greenhouse were much warped, 

 leaving large openings through which the vines gained access 

 to the room. Here the lice made their appearance and were 

 most abundant, though later in the summer they were not 

 uncommon on the same vines outside of the building. I have 

 examined the Virginia creeper at other places, both in Ur- 

 bana and in other Illinois localities, but nowhere else have I 

 been able to find this species. 



My first observations were made May 2, 1907, at which 

 time only a few individuals were to be found and they oc- 

 curred singly upon the young shoots. These aphids were 



