106 Mr. James Edwards' Synopsis of 



1. Bytlioscopus alni, Sclir. 



Cicada alni, Schrank, Faun. Boic, ii., 50, 1056. 



Jassus alni, Boh., Sv. Ak. Handl., 56, 28 (1847). 



Pediopsis Hcydenii, Kirsclib., Cicad., 171, 2. 



P. alni, Thorns., Opusc. Eiit., iii., 319, 5 ; J. Sahh, 

 Not. Femi., xii., 119, 2. 



BytJioscopus alni, Scott, Ent. Mo. Mag., x., 82, 1. 



(^ . Crown and face gi'eenish yellow, the former more or less 

 suffused with blackish, but having a pale central line and a black 

 puncture on each side, the latter with a pale central line in its 

 upper half, a black puncture on each side near the eye, the upper 

 part of the curved impression filled up with black and generally a 

 pair of small black points towards the apex. Pronotum greenish 

 yellow, with a large irregular dark patch on each side of the fi-ont 

 margin and one or two black punctures behind each eye, the disk 

 having a blackish appearance owing to the channels of the sculptm-e 

 being mostly black. Scutellum reddish yellow ; a large triangle on 

 each side at the base, a linear central stripe, the transverse channel 

 and a pair of small round spots just above it, brown or black. 

 Elytra transparent brownish yellow, the apical two-tlm-ds of the 

 costal and subapical areas, the disc of the subcostal area and that 

 below it, and a broad band at the base of the clavus, whitish 

 hyaline ; claval suture and the nerves dark brown or black ; cubital 

 nerve as far as the fork, brachial nerve as far as the first transverse 

 nerve, the basal three-fourths of the anal and axillary nerves, the 

 nerve of the inner margm with the exception of a short piece at 

 the apex of the clavus and the part between the apices of the anal 

 and axillary nerves, white. Abdomen above black, hind margin 

 of the segments narrowly reddish. Legs pale, hind tibiae with a 

 black stripe both on the inner and outer sides. 



2 . Similar in coloration to the male, but with all the dark 

 markings less pronounced, and the abdomen above entu-ely reddish 

 yellow-brown. Length, 5^^ — 6 mm. 



Abundant on alder. 



2. Bythoscopus rufiisculus, Ficb. 



Bythoscopns rufawidm, Fieb., Eur. By those, 456, 1 ; 



Scott, Ent. Mo. Mag., x., 241. 

 Pediopsis fruticola, var. 7, fronUdis, Flor, Ehyn. Liv., 



ii., 186, 2 (i)artim). 

 P. brevicauda. Thorns., Opusc. Ent., iii., 318, 3 ; 



J. Sahl., Not. Fenn., xii., 124, 5. 



