116 Mr. James Edwards' Synopsis of 



1. IcUocerus adustus, H.-Scff. 



Bijthoscopus adustus, H.-Scff., Deuts. Ins., 144, 9. 

 Idiocerus stiqmaticalis, Lewis, Trans. Ent. Soc. Lond., 



i., 48. 

 7. varius, Marsh., Ent. Mo. Mag., ii., 103, 1. 

 I. adustus, Kirsclib., Cicad., 153, 2 ; J. Sahl., Not. 



Fenn., xii., 140, 2 ; Scott, Ent. Mo. Mag., x., 



24, 1. 



^. Face greyish yellow, cheeks with a dense short silvery 

 pubescence. Crown greyish yellow, more or less suffused with 

 fuscous in the middle, near each eye a dark puncture. Pronotum 

 greyish yellow clouded with fuscous, front margin u-regularly 

 spotted with black. Scutellum greyish yellow, along the base 

 three black triangles and in the middle a pair of somewhat comma- 

 shaped black spots. Elytra hyaline with a yellow-brown tinge 

 inclining to orange on the costa, from the inner margin at the apex 

 of the anal nerve to the first apical area a very obhque pale band ; 

 nerves punctured, thick and black except in the pale band ; first sub- 

 apical area apparently incomplete but really reaching the costa, the 

 latter vertically flattened in its basal two-thirds, yellow at the base, 

 the middle third black and bearing a row of four or five large blunt 

 tubercles. Abdomen above blackish, hind margins of the segments 

 narrowly yellow. Legs pale, inner side of hind tibiae narrowly 

 black. 



? . Face with a black triangle near each eye. Pubescence of 

 the cheeks excessively fine, scarcely perceptible. Elytra hyaline 

 with a yellow-brown tinge, the pale band only faintly indicated ; 

 costa but slightly flattened vertically without tubercles, nerves pale 

 brown. Length, 6i — 7 mm. 



Abundant on willows. 



2. Idiocerus varius, Fab. 



Jassus varius, Germ., in Mus. Berolin. 

 Idiocerus varius, Kirschb., Cicad., 154, 4. 



(J . Crown and face as in adustus, but the pubescence of the 

 cheeks is less apparent. Pronotum greyish yellow clouded with 

 dark fuscous, front margin irregularly spotted with black. Scutellum 

 as in adustus, but the black triangle in the midtUe of the base is 

 replaced by a linear stripe, and the pair of spots on the disc 

 generally coalesce. Elytra hyaline with a dark brown tinge, which 

 becomes ahnost black on tlio costa, from the inner margin at the 



