Lismwhu] BRITISH ICHNEUMONS. 201 



tipulifomie. I have once taken the female at Ningwood, in the Isle of 

 Wight, as early as 26th June and Piffard has found the male at Felden in 

 Herts, on 27th ; but in Suffolk it is never seen till the 14th or 20th of July 

 and is not common till August; then it is abundant everywhere on flowers 

 and by sweeping till the middle of September, but does not extend to the 

 end of the month ; my latest date is the 25th. The above appears to be 

 all that is known of the economy of this ubiquitous but somewhat un- 

 interesting insect. I suspect it of preying largely on Cravibi. 



I have records from Shere, Plumstead, Felden, Whitby, Greenings, 

 Reigate, New Forest, Newport in I.W., St. Margarets in Kent, Hastings ; 

 Matlock (Tomlin) ; Malvern (Gorham) ; Crookston (Dalglish) ; Hunstan- 

 ton, Nottingham; Scarborough (Elliott), Wharfordale (Porritt), Guis- 

 borough in Yorks (Roebuck) ; Essex, Wimbledon, Norbury ; Shirley 

 (Newbury) ; Copthorn ; Dorking (Butler) ; Carlisle (Routledge) ; Lands 

 End and St. Issey in Cornwall, Derbyshire ; Fairmilehead and Drum- 

 shoreland Pond in West Dothian (F!vans) ; Devonshire ; Alderney and 

 Guernsey (Luff). ]My two hundred specimens were mainly taken in Suf- 

 folk at Tostock, Ashfield, Bury, Benacre, Southwold, Oulton, Aldeburgh, 

 Marlesford, Claydon, Barnby, Foxhall, Finborough, Tuddenham, Burgh 

 Castle, Henham, Kenton, Monks' Soham, Beccles, Henstead, Herrings- 

 well, Barham, Dodnash, Felixstowe, Worlington and Lackford Bridge ; 

 though 1 have also found it at Lyndhurst in Hants, Huntingfield in Kent, 

 Ryde in LW., Sutton Bridge in Lines., Chippenham in Cambs., and Met- 

 ton in Norfolk. 



13. argiola, Gvav. 



Lissonofa argiola, Gr. I.E. iii. 813 ; Holragr. Sv. Ak. Handl. 1854, p. 93; Schm. 

 Zool. Jahr. 1900, p. 365; Opusc. Ichn. 1299, cf . L. bcUator, var., Holmgr. Sv. 

 Ak. Handl. 18(30, n. 10, p. 50, cT . 



Head closely and finely ])unctate, distinctly narrowed behind the eyes ; 

 mouth, face, cheeks, frontal and vertical orbits broadly flavous. Antennae 

 subfiliform and distinctly attenuate apically, a little shorter than the body 

 with the scape flavous beneath ; basal flagellar joint half as long again as 

 the second. Thorax black, closely and finely punctate, feebly shining ; 

 sternum and mesopleurae mainly flavous ; pronotom anteriorly and pos- 

 teriorly, a broad and apically explanate line before the radix, two slender 

 and centrally coalescent mesonotal vittae, broad lines below the radix and 

 generally lateral dots on the rugose metathorax, flavous ; petiolar area 

 basally entire. Scutellum flavous and sometimes centrally black. Abdo- 

 men basally almost dull and strongly punctate, smoother and more shining 

 towards the anus ; black, either with the segments stramineous-margined 

 and the second to fourth also basally stramineous or with the two basal 

 segments black and their apices red ; the third to fifth or seventh seg- 



