212 THE ENTOMOLOGIST. 



Several of the moths I found difBcult to refer with any 

 degree of certainty to eitlier(?) species. In the autumn 

 many of the young larvae had developed markings like those 

 of Z. Trifolii. This spring (having failed in my two previous 

 attempts) I put the Z. Meliloti, of which about thirty out of 

 three hundred survived the winter, into a greenhouse, and in 

 the result got nine pupae; the major portion of the twenty- 

 one others fed and grew with their companions for a while, 

 and then liybernated again. Of the nine pupae six have now 

 hatched, and produced full-coloured specimens of the small 

 Z. Trifolii that 1 found in company with Z. Meliloti last year. 

 The following questions suggest themselves: — (I) Is the 

 Z. Meliloti of the New Forest a separate species or a dwarfed 

 form of Z. Trifolii ? (2) If a dwarfed form, did the additional 

 greenhouse heat aid in developing it? (3) If a separate 

 species, can the specimens I bred from have paired with 

 Z. Trifolii previously ? I may add that I have compared 

 M. Boisduval's description of the continental Z. Meliloti with 

 the New Forest insect, and they do not agree in several 

 particulars; and I have inspected the British Museum speci- 

 mens of continental Z. Meliloti, and they also differ from the 

 New Forest insect, especially in the form of the wings. The 

 fact of the hybernation of the larva for a second year seems 

 common. I have found it with Z. Trifolii and Z. Meliloti 

 during the last three years, and it has been recorded of 

 Z. Lonicerae. Out of one hundred larvae of Z. Trifolii that 

 survived last winter I obtained twenty-five pupae (most of 

 which are out) ; about twenty died, and the rest resumed 

 hybernation, in the first week in June, in a greenhouse, the 

 average daily temperature of which is 75°, and are now 

 hybernating and apparently healthy." Mr. M'Lachlan 

 remarked that the insects of the genus hybridized very freely, 

 and alluded to the possibility of their pairing more than 

 once. Mr. W. A. Lewis had noticed that Z. Meliloti was by 

 far the commonest insect in the part of the New Forest 

 which forms its head-quarters, and that, as it appeared to 

 have been only discovered there of late years, it might be a 

 stunted form which had been developed recently. Mr. Weir 

 said that he had taken the insect twenty years ago in Tilgate 

 Forest. 



Insects of KerguelerCs Island. — The Rev. A. E. Eaton 



