THE ENTOMOLOGIST. 407 



forty hours after I found it, in its present very mutilated 

 condition. I supposed a bird might have been the cause of 

 this mutilation. What is the insect ? — G. Bentley Corhin ; 

 Ringwood, August 24, 1871. 



The insect is Eristalis tenax : its abdomen was completely 

 gone. 



Moths and '^ Sugary — Why is it that we' so much more 

 frequently take males ihani females of those species which are 

 attracted to our sugar-bait ? And the same question may be 

 asked of "light." Are we to suppose there are a super- 

 abundant number of the former, or that the latter are less 

 active, and, consequently, less oftener met with ? In rearing 

 we often find a pretty equal balance in the number of the two 

 sexes; but at sugar, and even with the net, the males are ten 

 to one of some species. The other day in speaking on this 

 point to a friend, who is much in the habit of sugaring, he 

 introduced what to me, at least, was a new hypothesis, viz., 

 that a female of any moth taken at sugar seldom deposited 

 eggs, and if such a thing happened they never produced 

 larvae. Is such a foct proved, and is it well known .? It 

 would depend, I should say, upon what the so-called " sugar" 

 was composed of, as we are well aware the receipts for it are 

 various; some containing poison, others none. — G. Bentley 

 Cor bin. 



These are questions which my kind correspondents, the 

 Rev. Joseph Greene and Mr. Doubleday, are far better 

 qualified to answer than I am : my experience in sugaring is 

 very limited. I hope they will kindly reply. 



Larva of the Cinnabar Moth. — I have forwarded to you a 

 box containing a larva, and shall be much obliged if you 

 will be kind enough to let me know its name (Latin and 

 English). I have sent some of the food I found it reposing 

 on; and shall also feel it a favour if you will tell me whether 

 it feeds on anything else } — B. W. Neave ; 6, Montague 

 Street, Worthing, August 6, 1871. 



The Cinnabar (Euchelia Jacobaeae) is figured No. 68, at 

 p. 31, of * British Moths:' it feeds on the Ragwort (Senecio 

 Jacobaea), and nothing else. 



Tape-worm in the Biliary Ducts of Salmon, — Can you 

 tell me the name of a tape-worm which inhabits the biliary 

 ducts of salmon ? 1 got some a few days since, and 



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