THE ENTOMOLOGIST. 



Nos. 94 & 95.] SEPTEMBER, MDCCCLXXI. [Price Is 



Answers to Correspondents. 



LYMEXYLON NAVALE (MAGNIFIED). 



Fig. a represents the palpus, and the line beneath this shows the exact length 



of the beetle. 



Ship-timber Beetle {Lymexylon navale). — The information 

 required by Mr. H. Bayne is rather of a multifarious character, 

 but I shall have much pleasure in giving as much as I am able. 

 The destroyers, or perforators, are of three very distinct and 

 dissimilar kinds \— -firsts Lymexylon navale, a coleopteron, or 

 beetle, in the larv^a state; ^ecowc?, Limnoria terebrans, a 

 crustacean of the legion Ediiophthalma; and thirds Teredo 

 navalis, a mollusk of the family Pholadidae. Lymexylon 

 navale, represented in the figure, appears to have been a 

 most excruciating animal to our systematists ; together with 

 another beetle, of similar economy, it constituted the tribe 

 Xytotrogi of Latreille, and the family Lymexylontidse of 

 Stephens. Lymexylon navale having done great injury to 

 timber in the dockyards of Sweden, the king directed 

 Linneus to investigate the subject and report: he did so, and 



VOL. V. Z 



