104 [^'''y. 



9 . Fron=5 rather narrower than in sfrii/atus, and whereas in tliat sp(>eies 

 the front half of the frona riewed in some lights appears distinctly dnsted, no 

 dusting except on a narrow strip close to the eyes can be traced in tuheiru/afiis. 

 Thorax and scntelhira with slightly coprser punctuation as in the male, and 

 with the pubescence rather shorter than in sfriuatiis and distinctly more tawny. 

 Abdomen with shorter pubescence. The distinguisliing characters of the hind 

 legs of the male can be traced, though not so much developefl. 



Length 5"5-7 mm. 



Numerous specimens bred by Mr. J. C. F. Fryer (together w'itli 

 jE". strigntus), from larvae in Narcissus bull)s grown at Messrs. Barr's 

 nurseries at Taplow (Buckinghamshire), and by tlie author from larvae 

 attacking both Narcissus bulbs and Iris rhizomes grown by Mr. M. Bliss 

 of Morwellam, Tavistock (Devon), and from Narcissus bulbs grown at 

 March (Cambridgeshire). Specimens were exhibited at a meeting of the 

 Entomological Society of London on June Gtli, 191S (Proceedings Ent. 

 Soe. Lond. lUiS, p. Ixxvii). 



There can be little doubt that E. strigntus and E. tuherculatus, 

 which supertieially so much resemble each other, have been included 

 tmder one and the same specific name b}' many writers. At the same 

 time it is quite ])0ssible that one or more of the numerous synonyms of 

 strigatus may represent Rondani's sjiecies. An examination of the tvpe 

 specimens would appear to be the only method of settling these points. 



E. tiihrrcidatus is probably a sj^ecies which has been widely spread 

 by the importation of bulbs, for specimens have recently been received 

 from Canada by the writer, sent l:)y Mr. C. Howard Curran of the 

 Canadian Department of Agriculture. It is an addition to the List of 

 British Diptera. 



With regard to the larvae, some of those from the Taplow bulbs and 

 some from the Evesham jmrsnips had been preserved in spirit ; and as 

 onl}'' sfrigatus was bred fi'om the parsnips, any larvae from the bulbs 

 found to differ from thos;e from the parsnips should represent the larvae 

 of t/iherc//hit/ts. So far as an external examination is concerned, the 

 greyish-yellow larvae of stn'gafiis and tuherculatus appear to resemble 

 each other very closely. Both have the integument rather densely clothed 

 with microscopic spines and with transverse rows on each segment of 

 minute tubercles bearing similar but slightly larger spines. At the anal 

 end are some large tubercles (liable to variation at least in size), arranged 

 as follows : — The last convolution or 2:)seudo-segment bears the largest 

 tidjercles (designated for future reference by the letter A), one on each 

 side, the large posterior spiraeular process projecting between these 

 tubevcles though slightly more dorsal in position. On each side of the 



