8.S Mr. G. 0. Champion's Ar>frs on 



not unlikely to occur in England, if its food-plant was 

 pearched in various places ; and JV. heraisiihc'ericiim, Oliv., 

 on Lythrnni liijssopifoUvm. He also notes {loc. cit.) the 

 larva of X. tamarisci, Gyll., as attacking Tamarix, that of 

 N. sirulns, Boh., on Erica scoparia, and that of X. duricui, 

 Luc, on Cotyledon (Umhilicus) iJenduUnus. The habits of 

 j\". fchphri appear to be very similar to those of i\^. duricui, 

 both species making galls on the stems of the plants a little 

 above the roots. Apion scdi has not, we believe, been 

 previously recorded as attacking Cofykdon, though it is 

 known to pass its metamorphoses in the stems of Scdum. 

 The galls formed by X. duricui are very conspicuous, owing 

 to their large size. They are somewhat kidney-shaped, 

 several of them being often clustered together, ofreen in 

 colour, more or less streaked with reddish or purple, and 

 marked here and there with a minute scar, showing the 

 original punctures made by the parent insect in the stem 

 of the plant. The beetle is attacked by a small Chalcid, 

 of which a number of specimens emerged from the 

 galls. 



The larva of Xcmophyes duriciii is a footless maggot very 

 like many other weevil larvse. Its length is, or rather 

 would be if straightened out, about 3'0 mm., but as it lies 

 curled up into an arc of about 100 degrees, its actual 

 measure Avhen full-grown is a little over 2*0 mm. The 

 thoracic segments are decidedly thicker than the others, 

 and here the diameter of the larva approaches 1"00. In the 

 preserved specimens examined to find them, no spiracles 

 can be detected, if they exist they are very small and have 

 no coloured chitinous surroundings. The larva is white or 

 colourless, except the jaws and some other chitinous portions 

 in connection with the mouth parts. There is a very 

 definite ventral prominence of each of the thoracic segments 

 representing the true legs, but no actual fore-legs exist ; at 

 what may be supposed to be the site of each, is a rather 

 stronger hair than exists anywhere else on the larva, but 

 there is nothing to show whether this surviving hair corre- 

 spends to one that naturally (/. e. where the fore-legs are 

 present) exists at the base of the fore-legs, or is one of those 

 arming some joint of the fore-leg itself. The marginal 

 flange is well developed in three definite prominences on 

 each segment, a lower one that is almost ventral, rather 

 flat and well delimited, a median one, full and rounded and 

 almost continuous with the next above, which forms the 



