THE ENTOMOLOGIST. 39 



(1) Pleronialus Cordairii, Ratz. = ? Neesii, Ratz. — Bred 

 by Herren Erichson and Tischbein from tlie gall of this species, 

 and of A. curvator. 



(2) Pteromalus Diifourii, Ratz. — Bred by Herr Reissig 

 from second-year galls of A. terrainalis and Cecidomyia 

 (Hormomyia), Fcifji. 



(3) ? Pleromalua f/alliciis, Ratz. — Bred by Herr Nord- 

 linger from " Gallapfeln." 



(4) Pteronialus leucopezus, Ratz. — Terminalis-bred speci- 

 mens, received by Ratzeburg from Herren Nordlinger, Tisch- 

 bein, and Reissig (commonly). 



(5) Pteromalus stenonotus, Ratz. — Ratzeburg bred both 

 sexes of this species from this gall himself, and received a 

 female from Ziegler, bred from Tinea cognatella — Hypono- 

 meiita cognatella. Hub. 



(6) Pteromalus meconolus, Ratz. — A single female bred by 

 Ratzeburg ; and fifteen males and five females bred by Herr 

 Tischbein from these galls. Herr Nordlinger also bred it 

 from them at the end of May (first or second year not 

 stated). 



(7) ? Plalymesopus WeshcoocUi, Ratz. — Bred by Herr 

 Saxesen in July, 1837, from an oak Cynips ; the species was 

 not specified, but it was probably A. terminalis. 



(8) Platymesopus Eric/ison/i, Ratz. — Bred by Herr Erich- 

 son, from the gall of this species (A. terminalis). 



Elachistidce. 



Eulophus gallarum, Lin. — This is one of the most frequent 

 and abundant inhabitants of oak-apples, and it is also com- 

 mon in many other galls, occurring in both the first and 

 second years, Ratzeburg gives five species of Eulophus 

 and eight sj)ecies of Entedon as parasitic on Orchestes 

 Quercus alone. Ratzeburg's Entedon scianeurus is probably 

 this species, which is not a true Eulophus, but an Olynx. 



Teirastlchid(B. 



Tetrastichus DiapJiantes = Cirrospilus Diaphantus, Wlk. 

 — This insect belongs to a very extensive family, Walker 

 alone having described about one hundred and eighty 

 species of Tetrastichus. 



1 believe the above includes all the Chalcididas mentioned 



