1002.] 173 



Not being a specialist in myrtnecology, I am not able to give the 

 scientific name of the ants which I saw, nor to appreciate the degree 

 of importance which specialists in that family may attach to my 

 observation. 



8, Bunsen Street, Heidelberg, 



Germany : June, 1902. 



ON NFXEOPHILUS CORSICUS, Marsh., AN ADDITION TO OUR 

 FAUNA, WITH A DESCRIPTION OF THE MALE. 



BY CLAUDE MORLEY, F.E.S., <&c. 



Two male and two female specimens of a species of Ichneumonidce 

 in my collection 1 had referred to the genus Nyxeopliilus, Forst., with 

 a doubtful reference to Xylonomus rusticus, Desv., before the publica- 

 tion of the Rev. T. A. Marshall's paper on the above species in this 

 Magazine for last December. Since that time Mr. Bignell has kindly 

 allowed me to examine the type of N. corsicus in his collection, and 

 the above specimens, all of which were taken in the New Forest, 

 probably at Lyndhurst, by Miss Chawner and Mr. Fred. C. Adams, 

 between May 18th and 31st, are identical therewith ; Mr. Adams has 

 just sent me another female from the same locality, taken in early 

 June. They differ in no way from the typical example, excepting 

 only that the wings are somewhat less deeply tinged with glaucous 

 colouring. 



Xylonomus rusticus, Desv., I find, upon reference to the National 

 Collection, to be quite a distinct insect ; there are, nevertheless, seven 

 specimens of N. corsicus in the British Museum, two females (labelled 

 " reluctator ") and one male "ex col. Ste. ;" and two female and two 

 male "ex col. Desv.," all under the name of Echthrus reluctator, Linn. 



The (J , which appears to be undescribed, differs little from the ? , excepting 

 in the conformation of the front legs. The antennae are slightly stouter and are 

 longer than those of the $ , being 12 mm. in length. The mesonotum is more 

 nitidulous with its notauli deeper. The abdomen is linear, ventrally plicate 

 throughout, and apically subcompressed (resembling, except the basal segment, that 

 of Linoceras macrobatus, Tasch.) ; the basal segment is narrower, more distinctly 

 petiolar and equilateral than that of the ^ . All the legs, more especially the tarsi, 

 are longer ; the front legs are nearly simple and extend to the areolet of the wing, 

 they are piceous, with the femora except their apices, the trochanters and coxae, 

 black ; the front tibia; are only very slightly and gradually inflated towards their 

 apices ; and the first tarsal joint is strongly excised basally beneath. 



Length, 17 mm. 



Both sexes have the raetathoracic spiracles elongate-oval and not 



