Vol 2 Part 2a. Hemiptera - Cicadomorpha - Royal Entomological ...

22 II (2). HEMIPTERA : OIOADOMORPHAGenus Graphocephala Van DuzeeOne species of this American genus has been introduced into Britain,where it has spread fairly widely.Face pale yellowish with indistinct brownish transverse lines, narrowly black atupper margin. Vertex yellowish, narrowly black along anterior margin ; ocellidarker. Pronotum narrowly green anteriorly, broadly bright green posteriorlywith a yellowish or reddish transverse band anteriorly and two similarly colouredspots medially. Scutellum orange red. Fore wings dark green with two longitudinalred bands, one in clavus and one along cubital vein, obsolescent basally ;costal margin narrowly yellowish, apical margin narrowly marked with black ;membrane greyish. Hind wings smoky greyish. Abdomen red above. In male,aedeagus as in fig. 114. Overall length: (f, 8·4-8·7 mm.; ~. 8·5-9·4 mm.coccinea (Forster)Introduced species, which has spread quite widely, especially on rhododendrons.S. and G. England, as jar N. as Cheshire. vi-x. N. America.Subfamily EVAOANTIDNAEThis group, regarded as part of the Aphrodinae by Evans (1947) andas part of the Cicadellinae (Tettigellinae) by many authors, contains twoEuropean genera, one of which occurs in Britain.Genus Evacanthus Lepeletier and ServilleThere are two European species, both of which occur in Britain.FIGs. 105, 108.-Evacanthus acuminatus: (105) vertex, pronotum and scutellum;(108) fore wing.FIGs. 106, 109.-E. interruptus: (106) pronotum and scutellum; (109) fore wing.FIG. 107.-Ulopa reticulata, fore wing.KEY TO SPECIESFore wings bright yellow and black (black markings rarely absent), inner marginwith more or less broad yellow band (fig. 109). Pronotum black, often withbroad pale longitudinal median band, at least posteriorly (fig. 106). Scutellumpale, often darker in anterior corners. (Face light yellowish, frontoclypeusoften with thin dark transverse lines at sides. Vertex black with small yellowishpatches anterior to ocelli and in posterior corners next to eyes ; other palemarkings variable, longitudinal median band sometimes present. In male,