1897.] 7 



tiou : it is rather subject to the attacks of an ichneumon-fly which 

 has not yet been identified. In collecting the larvje, it is absolutely 

 necessary to carefully cut up a small deep sod round each infected 

 plant, and this is by no means easy in our locality for them, as the soil 

 largely consists of a very tough fibrous mass of generations of rush 

 roots, well saturated with water. 



PUPA. 



Descriptions of the pupa made on June 16th, 1893, and July 7th, 

 189i, agree with a later one made on June 8th, 1896, which last, being 

 rather more ample than the previous ones, is given below. The speci- 

 men described had assumed the pupal stage only a few days previously. 



Length, 4 mm. Greatest breadth, I'l — 1'2 mm. 



Rather long and thin, somewhat flattened dorsally and ventrally, and tapering 

 gradually towards the anal extremity. Skin smooth, polished, and shining : hairs 

 and bristles mostly short and inconspicuous. Eyes showing through as dark spots. 

 Antennal cases lying between, and of almost equal length with, the wing-cases. 

 Sead rather broad and rounded, blackish-brown above, paler beneath. Thoracic 

 segments orange-brown. Wing-cases orange-brown, reaching to the middle of the 

 sixth abdominal segment : round their extremities is seen, on the last segments over 

 which they project, a broad margin, noticeably paler than the ground-colour. Ab- 

 domen brownish-orange, with its third and following segments obscurely darker on 

 the dorsal surface anteriorly, the posterior margin of each being dingy orange 

 with no tinge of brown in it. Extremity of anal segment blackish, armed with 

 several orange-coloured hooked bristles. In both sexes the only " free " segments 

 are the fifth and sixth abdominal ones. 



The pupa is enclosed in a neat elongate white silken cocoon 

 coated with sand, and spun on the surface of the soil or attached to 

 stems close to it ; in confinement the cocoon is sometimes spun against 

 the side of the flower-pot. 



Dr. Chapman has kindly furnished me with a most careful and 

 detailed description of the pupa from the specialist's point of view, 

 but since it would be obviously out of place in a short notice, I must 

 forbear to reproduce it here. 



It may be as well to mention that Mr. J. Hartley Durrant has 

 obligingly examined the neuration, &c., of the imago for me, and finds 

 that the species belongs not to Gelechia, Hb. (as now restricted), to 

 which genus it has been referred iu the original and subsequent notices 

 in this Magazine, but to Aristotelia, Hb., in which Mr. Meyrick has 

 rightly included it in his Handbook. 



The Rectory, Corfe Castle : 



November Uth, 1896. 



