220 



THE ENTOMOLOGIST. 



A. testaceipes, a typical specimen of which is in the Vienna 

 zoological cabinet. — G. L. Mayr. 



The inquilines and parasites referred to are Synergus 

 apicalis, Hart., Ceroptres arator, Hart., and Megastigmus 

 dorsalis, Fahr. I have often found these galls on the petiole 

 and midrib, but always took them for A. noduli. I have 

 never bred their inmates. — E. A. Fitch. 



Fig. 58. — Andrious multiplicatus. 



58. Andricus multiplicatus y Gir. — At the end of May this 

 gall appears on the Turkey oak. It forms at the end, rarely 

 on the side, of the twig a coma, outwardly consisting of 

 rudimentary crippled leaves. This coma rests on and 

 surrounds an irregular, hard, very pilose disk ; at the top of 

 this disk there is, hidden by the rudimentary leaves, a 

 number of small, irregularly placed, oviform, yellowish brown 

 inner galls, each of which contains a larva. This interesting 

 gall undoubtedly attains its peculiar shape through the 

 parenchyma being pierced when still in the bud, which 

 prevents the development of the axis; this, together with the 

 thickened and comated parenchyma, forms the disk. The 

 yellow gall-makers are produced in July; but the one-year 



