ENTOMOLOGICA 



AND 



PROCEEDINGS OF THE ENTOMOL 



THE ACADKMY OF NATURAL SCIENCES, PHI 



VOL. XXXII 



OCTOBER, 1921 



No. 8 



CONTENTS 



Swain Miscellaneous Studies in the 

 Family Aphididae ( Hem., Horn.) . . 225 



Johannsen The Genus Diamesa Mei- 

 gen ( Diptera, Chironomidae ) 229 



Sherman and Rrimley A State Insect 

 Survey Project 232 



Skinner Two New Species of Hespe- 



ridae (Lepid., Rhop.) 236 



Metcalf Homopterological Gleanings, 

 No. i 237 



Ewing A Second Nearctic Species of 

 Protura, Acerentulus barberi, New 

 Species 239 



Champlain A Curious Mating Habit 

 of Megarhyssa atrata (Fab.) (Hy- 

 men: Ichneumonidea) 241 



Editorial That he who Runs may 

 Read 242 



Barber, Knight, Parshley, de la Torre 



Bueno Manual of the Hemiptera 

 of Eastern North America in Prep- 

 aration 242 



Change of Address Metcalf, Earth 

 and de Garnett 243 



Crane Flies of New York 243 



Caudell On the Destructive Method 

 of Dismembering Types for Preser- 

 vation in Riker Mounts 243 



Honorary Degrees Conferred on Ento- 

 mologists 244 



The Mulford Biological Exploration.. 245 



Entomological Literature 247 



Review of Oberthur's " Etudes " 253 



Review of Eighteenth Report of State 



Entomologist of Minnesota 254 



Doings of Societies Amer. Ent. Soc. 



( Hym., Orth., Lep 255 



Miscellaneous Studies in the Family Aphididae 



(Hem. Horn.). 



By ALBERT F. SWAIN, Fresno, California 



(Continued from page 213). 



13. Dilachnus piceae (Walker). Buckton ; six slides (2 alate and 

 several immature viviparous 99,1 apterous oviparous 9, eggs, por- 

 tions of head and thorax of 2 apterous viviparous 9 $ ) ; "I.achnus piccac 

 Walker." Walker records this species from Abies picea and A. cxcclsa 

 in June in London (alate 99) and Buckton from A. cxcclsa from 

 Hampshire in October where he found oviparous 9 9 and in December 

 \vhen eggs were present as well. Theobald records it from Kent. Buck- 

 tun places it as a synonym of Liichims </r<'xxns Kalt., but according to 

 Kaltenbach's 8 description the third antcnnal segment of the apterous 

 female is equal in length to the following three, while in Buckton's 

 specimens it is considerably shorter. Following are the measurements 

 of the five antennae found: 



"Stettin KntD. Xt-it.. pp. 174-175, 



225 



