PROC. ENT. SOC. WASH., VOL. 21, NO. 6, JUNE, 1919 147 



The following comparison may be of some aid in interpreting 

 the parts here described, in terms of the table given by Mr. 

 Rohwer: 



I Gonopods, "eu" and "gb" Forcipes (Third gonophyses). 



(1) Harpes, "eu" Cochlearia. 



(2) Gonostipes, "gb" Stipes. 



a. Parapenes, "pa" Praeputium (Manubria). 



b. Sagittae, "gl" Praeputium. 



c. Volsellae, "pal" Praeputium. 



II. Gonocardo, "gg" Cardo. 



III. Penisvalvae, or Penis, "pv" Second gonopophyses, penis. 



BIBLIOGRAPHY. 



1896 Ashmead. Phylogeny of Hymenoptera. Proc. Ent. Soc. Washington, 



3> P- 323- 



1909 Berlese. Gli Insetti. 

 I9i8a Crampton. Terminal Adbominal Structure and Genitalia of Male 



Apterygota, and Lower Pterygota. Bull. Brooklyn Ent. Soc., 13, p. . 



49- 

 I9i8b Crampton. Genitalia and Terminal Abdominal Structures of Male 



Neuroptera, Mecoptera, Psocidae, Diptera, Trichoptera, etc. 



Psyche, 25, p. 47. 

 1912 Enslin. Tcnthrcdinoidea Mitteleuropas. Deuts. Ent. Zeitsch., Jg. 



1912, Beiheft, p. i. 



1867 Gerstaecker. Gattung Oxybelus. Arch. Xaturg., 20. 

 1837 Hartig. Familien der Blattwespen und Holzwespen. 



