198 THE ENTOMOLOGIST. 



1881, April 13th, larvse left winter quarters. May Sth, third moult 

 completed ; 26th, fourth moult completed. June 19th, many in 

 pupa. July 4th, imagos first appear; 13th, last imago appeared. 

 I should mention that during the last week in June I 

 discovered one larva, in plump condition and with good appetite, 

 which apparently had not changed its skin since the winter ; it 

 was still of the dirty brownish green colour, and, except that it had 

 filled out, it had not grown ; this I hope to find when I put a 

 fresh net over the bush, and shall then bag separately. If there 

 be others in a similar state, it may happen that some larvae of 

 Apatura Iris take more than a year to complete the cycle of their 

 existence. If this be so, why may not larvce of other species be 

 subject to similar retardation ? and a fresh point would thus be 

 added to the consideration of the periodicity of appearance of 

 certain species. 



Dartford, August, 1881, 



EUPITHECIA JASIONEATA, Crewe: A SPECIES NEW TO 



SCIENCE. 



By Rev. H. Harpur Crewe, MA. 



Some three years since I received from Mr. Ficklin, of 

 Keynsham, near Bristol, specimens of a Eupithecia, which he had 

 bred from larvae taken the previous September, in North Devon, 

 feeding in the seed-heads of Jasione montana. At first sight I was 

 disposed to consider them a variety of Eupithecia castigata, and 

 in this view Mr. Buckler, who also saw the specimens, concurred. 

 I forbore, however, to give any definite opinion till I had seen the 

 larva. 



The same autumn Mr. Ficklin again took the larva in North 

 Devon, and very obligingly forwarded specimens both to Mr. 

 Buckler and myself. We at once saw that they bore no likeness 

 whatever to E. castigata, but, though smaller and stouter, most 

 closely resembled the larva of E. campamdata. As, however, the 

 perfect insect was totally distinct from the latter species, I felt 

 convinced it must be a species new to Britain. 



Through the kindness of Mr. M'Lachlan the perfect insect has 

 recently been carefully examined by M. Dietze, of Hamburg, who 

 knows more probably about the continental Eupithecice than 



