68 [March, 



3r. halophila. ii. sp. 



Expanse 25 mm. J , :^6o mm. $. Oown and proiiotum g^et'nii^ll-^vllite, 

 hinder half of the latter blackish. Anterior angles of the pronotum produced 

 in an acute equilateral triang-le. Scutelhim black. Elytra sordid greenish- 

 white, iucliuiug to yellowish in the female, costa with a row of irregular 

 blackish spots from the base, iimer apical angle of the corium with a blackish 

 marking, which has a tendency to originate as a short thick black line 

 and does not encroach on the apex of the clavus, in the inner angle of the 

 cuueus some blackish mottling. Wings with a white reflection ; apex nar- 

 rowly fuscous ; Sc blackish, Rs, r-m, and M dark brown. Metanotum and 

 abdomen above, except the sides and apex of the latter, deep black. Abdomen 

 beneath with the lung hairs on the middle keel and on the inner edge of the 

 couuexivum black in the male, pale brown in the female. Length 13'5-15o mm. 



This species, of which I have also seen a specimen, ex coll. Thouless, 

 taken at Grmvesend by Kirkald}', 16.iv.l897, may be readily known by 

 its smaller size, pale colom', and the sharp projecting front angles of the 

 pronotum. 



The distinctive charactei*s of our native species are set out in the 

 following table :— 



1 (6) Metanotum black. 



2 (5) Expanse not exceeding 27 mm. 



3 (4) Expanse 26-27 mm. Front angles of pronotum in the lateral aspect 



right angles or obtuse. Elytra brownish-yellow with more or less of 

 blackish mottling, which originates next the costa and exceptionally 

 extends over the disc. Wings usually with a wliite reflection ; con- 

 colorous at the apex ; Sc at the apex, lis, r-m, and M in its distal 

 half, yellow, the remaining veins colourless. Abdomen beneath with 

 the long hairs on the middle keel and on the inner edge of the 

 connexivum pale brown in both sexes glauca L. 



4 (3) Expanse 2o-26"5 mm. Front angles of pronotum in the lateral aspect 



acute and projecting. Elytra sordid greenish-white with a row of 

 irregular blackish spots from the base of the costa. Wings with a 

 white reflection ; narrowly fuscous at the apex ; Sc blackish, Rs, 

 r-m, and M dark brown. Abdomen beneath with the long hairs on 

 the middle keel and on the inner edge of the connexivum black in the 

 male, pale brown in the female halophila, n. sp. 



6 (2) Expanse 31-33 mm. Elytra dark brown to black, with two yellow 

 streaks at the base, ^^'ings with a purplish-blue reflection: nar- 

 rowly fuscous at the apex ; Sc, Rs, r-m, and M dark brown, the 

 remaining veins colourless. Abdomen beneath with the long hairs 

 on the middle keel and on the inner edge of the connexivum 

 brownish-yellow in the male, pale brown in the female. 



furcata Fab. 



6 (1) Metanotum orange-yellow with a black spot on each side of the base. 

 Elytra brownish-yellow inclining to orange, closely mottled with 

 blackish. W^ings narrowly fuscous at the apex ; reflection inclining 

 to brownish-yellow ; Sc almost to the apex, and R, pale, Sc at the 

 apex, Rs, and M yellow-brown. Abdomen beneath with the long 

 hairs on the middle keel and on the inner edge of the connexivum 

 black in the male, pale brown in the female. Expanse 27-28 mm. 



...... maculata Fab. 



