Ceuthorrhynchidius.] EHTNCHOPHORA. 363 



among the Curculionidae to determine from descriptions merely, 

 although when placed side by side the differences are much more obvious. 

 L. 1|~2 mm. 



By sweeping herbage ; especially in chalky places ; probably on Cruciferee ; local, 

 but not uncommon where it occurs ; Shirley, Croydon, Riddlesdown, Mickleham, 

 Darentb, Chatham, Dartford, Faversham, Maidstone, Cowley, Dorking, Claygate, 

 Crohamhurst, Tottenham, &c. ; Littlington, Cambridge; Brighton; Exmoutli ;' Rcp- 

 ton (W. Garneys) ; Northumberland district, rare, Wooler Haugh. 



C. melanarius, Steph. ( convezicollis, Boh., ? glaucus, Boh.). 



Black, upper surface rather scantily clothed with whitish scales, under- 

 side thickly clothed with compact scales ; on the upper side the scales 

 are thicker at sides and at suture, where they generally form a strong 

 or distinct band, which is nearly always absent in C. nigrinus and less 

 marked in C.fioralis ; from the latter species it may further be known 

 by having a row of white hairs inserted in the striae of the elytra, and 

 the anterior margin of the thorax less raised ; the shape also of the 

 elytra is less round and the shoulders are more marked ; from 

 C. nigrinus it may easily be separated by having the base of the thorax 

 plainly bisinuate and produced into a point before scutellum. L. li- 

 If mm. 



In marshy places, ditches, &c. ; on yasturtium ojficinale; local, but not uncom- 

 mon where it occurs ; Weybridge, Horsell, Cowley, Lee, Staple (Kent) ; Cromer ; 

 Ditchiugham ; Wrcxlianl ; Arundel ; Lymington ; Portsmouth district; Bewdler ; 

 Salford Priors; Evesham ; Tewkesbury; Repton ; Manchester district, general; 

 Northumberland and Durham district ; the only record is " Durham," Ornuby's 

 Durham, and it has not been recorded from Scotland. 



C. posthumus. Germ, (pumilio, Gyll. ; $ asperulus, Boh. ; Poireri, 

 Eye). A pretty and very distinct little species; short, ovate, pitchy- 

 brown or reddish- brown, shining, with the head and thorax except the 

 anterior margin of the latter darker ; the colour, however, is somewhat 

 variable ; rostrum reddish-brown, somewhat pitchy at apex ; antennae 

 fuscous, with the club darker, globose-ovate ; legs reddish- yellow, 

 femora sometimes darker ; upper side with rather scanty greyish scales, 

 underside rather thickly set with scales ; rostrum long, thin, and curved, 

 very finely striate, shining ; thorax short, transverse, strongly constricted 

 before apex, bisinuate at base, closely punctured, with an obsolete 

 tubercle on each side ; elytra short and broad, almost round, with rows 

 of strong crenate punctures, and narrow interstices, which are fur- 

 nished with double rows of white setae, sides and apex slightly niuricate. 

 L. f-lj- mm. 



Sandy places ; on Teesdalia nudicaulit; rare ; Weybridge, Frensham, near Farn- 

 ham, and Bonndstone, Snrrtjy (Power) ; Silverdale, near Lancaster (Sidebotham) ; the 

 species is found in April and May ; Dr. Power's are dated May 2nd, 1869, and April 

 10th to 16tb, 1873. 



C. terminal us, Herbst. (ajncalts, Gyll.). Black, moderately shiny, 

 with very scanty and scarcely apparent greyish pubescence j underside 



