British Homoptera-Cicadina. 81 
1. Dicraneura flavipennis, Zett. 
Cicada flavipennis, Zett., Ins. Lap., 292, 15. 
Typhlocyba flavipennis, Flor, Rhyn. Liv., ii., 388, 4; 
Kirschb., Cicad., 180, 8. 
Hupteryx flavipennis, Marsh., Ent. Mo.Mag., iil., 219, 3. 
Notus flavipennis, J. Sahl., Not. Fenn., xii., 163, 1; 
Leth., Cat. Hem. Nord., ed. ii., 64, 68 and 78; 
Ferrari, Cicad. agri Ligust., 76 and 77; Fieb., 
Cicad. d’EKur. (T'yphlecybini), 12, 5. 
Deep yellow; abdomen above black. Hind margin of pronotum 
with an arcuate notch of equal width with the base of the 
scutellum. Elytra deep yellow ; membrane whitish hyaline. Hind 
tibiz with a row of distinct black points. Length, 83 mm. 
Common amongst Carices. This species is readily 
distinguished by its Deltocephaloid crown and the 
uniform distribution of the yellow pigment in the elytra. 
2. Dicraneura citrinella, Lett. 
Cicada citrinella, Zett., Faun. Ins. Lap., 586, 36. 
Cicadula citrinelia, Gett., Ins. Lap., 299, 18. 
Typhlocyba citrinella, H.-Seff., Deuts. Ins., 124, 2. 
T. forcipata, Flor, Rhyn. Liv., ii., 389, 5; Kirschb., 
Cicad., 181, 9. 
T. gracilis, Zett., Ins. Lap., 299, 14. 
Notus citrinellus, J. Sahl., Not. Fenn., xii., 165, 3; 
Ferrari, Cicad. agri Ligust., 76 and 77. 
N. Schmidti, Leth., Cat. Hem. Nord., ed. ii., 65, 69 
and 80; Ferrari, l. c.; Fieb., Cicad. d’EKur. 
(Typhlocybint), 15, 8. 
Dirty yellow; abdomen above black, paler towards the apex. 
Corium dirty yellow, the apical half of the subcostal area, the 
suprabrachial area, and the apical third of the brachial area, 
hyaline. Membrane fusco-hyaline. Hind tibiz with a row of 
distinct black points. Length, 3} mm. 
Foxley Wood, Norfolk. 
3. Dicraneura similis, Edw. 
Dicranoneura similis, Edw., Ent. Mo. Mag., xxi., 229. 
Very similar in size and colour to the last, from which it is best 
distinguished by the structure of the male genitalia. I cannot lay 
TRANS. ENT, SOC. LOND. 1888.—-PaRT I. (MARCH.) G 
