﻿178 



[January, 



inwardly with rufous-yellow in arches on its inner margin, and tra- 

 versed by two linear arched bands of black ; a sub-apical oval ocellus 

 with rufous border, and for pupil a line of white : some apical spots of 

 white. Posterior wing with two large ocelli bordered with black, one 

 touching the costal margin at its middle, marked by a semi-circular 

 white line ; the other towards the anal angle, marked by a round spot 

 bordered with black, and irrorated with brown and yellow, crowned by 

 a line of white : the outer margin broadly rufous, its inner border 

 zigzag. 



Female dark rufous-brown. Anterior wing crossed near the middle 

 by a nearly straight band of lilac-grey. Posterior wing with the outer 

 margin broadly orange-yellow. Under-side exactly as in the male. 



Exp. 4t\j inch. Hab. Nicaragua (Chontales). 



In the collection of W. C. Hewitson, 



I am indebted to Mr. Belt for this very interesting addition to my 

 collection. The male on the upper-side scarcely differs from 0. Berecyn- 

 thus, which, with all the other species we know, has a female like itself. 

 This species alone has a female very dissimilar in the colour and position 

 of the band of the anterior wing. 



Oatlands, Weybridge : December, 1869. 



ON SOME BETTISH CYNIPIDJE, 

 BY THE REV. T. A. MARSHALL, M.A. 

 ( Continued from Vol.iv,p. 275.) 

 In former papers I have endeavoured to enumerate British species 

 as far as the genus Aulax, inclusive. I have now to deal with the 

 remaining sections, (1) iNQUiLiNiE, (2) aphidivorje, and (3) para- 

 sitica. The first of these consists in Britain at present of the genus 

 Synergus alone. These insects form a natural link between the gall- 

 makers and the carnivorous groups that follow. They are found 

 abundantly in all galls, upon the interior substance of which they are 

 supposed to feed in the larva state, although they contribute nothing 

 to the formation of the excrescence. Their position in life, is, therefore, 

 similar to that of the cuckoo-bees, Apathus, &c, which are not carni- 

 vorous, but avail themselves of the labours of others for support. The 

 real proprietor of a gall infested by Synergi never arrives at maturity, 

 so far as I have been able to observe. The reason of this seems obscure. 

 Several inquilines will emerge from a gall of G. ligtiicoh, intended only 

 to accommodate a single Cynips. They cannot have sustained them- 

 selves on the flesh of the Cynips, which would be insufficient for more 



