. Rhynchota ... ground colour of the tegmina, terminal cells short; wingshyaline, transparent, with yellowish veins; pectus black; abdomenblack, borders of segments yellow or broAvnish-yellow and the baseof the segmental borders black; back black; legs pale brownish-yellow, tips of tarsi and claws dark; posterior tibi« on inner sidesometimes indistinctly striped with brownish, brown dots at basesof pale spines. (IlelicJuir.) Length, d 2i, 2 3 milhm. Hab. Ceylon; Colombo (Jide Melichar.) 2642. Aconura solitaris, Melich. Horn. Faim. Ceylon, p. 188 (1903). Vertex, pronotum aud scutellum brownish-


. Rhynchota ... ground colour of the tegmina, terminal cells short; wingshyaline, transparent, with yellowish veins; pectus black; abdomenblack, borders of segments yellow or broAvnish-yellow and the baseof the segmental borders black; back black; legs pale brownish-yellow, tips of tarsi and claws dark; posterior tibi« on inner sidesometimes indistinctly striped with brownish, brown dots at basesof pale spines. (IlelicJuir.) Length, d 2i, 2 3 milhm. Hab. Ceylon; Colombo (Jide Melichar.) 2642. Aconura solitaris, Melich. Horn. Faim. Ceylon, p. 188 (1903). Vertex, pronotum aud scutellum brownish-ochraceous; vertexwith two dark longitudinal impressed spots near base ; pronotumwith two transverse linear impressions near anterior marginand with a distinct central longitudinal ridge; scutellum with atransverse central impression; body beneath black; head beneath, 2c2 380 JASSIDjE. rostrum, legs and lateral margius of abdomen ochraceous; tegminapale brownish, the veins, costal margin and apical area Fig. 238.—Aconura noliiaris. LeDgth S 3 millim., $ 3| to 4 Ceylon ; Pattipola {Mus. Hongrois). Dr. Horvjith of the Budapest Museum kindly allowed me to seespecimens of this species, one of which is here figured. Genus DELTOCEPHALUS. Deltocephalus, Biirm. Gen. Ins. i, t. xiv, .subg. 3 (1840); Fieb. Ges. Wien, xtI, p. 506 (1866); Fdw. Tr. E. S. 1888, p. 33;Van Buz. Tr. Am. Ent. Soc. xix, p. 299 (1892) ; Osborn S,- Ball,low. Ac. Sci. iv, p. 195 (1897) ; Melich. Horn. Faun. Ceylon,p. 199 (1903). Type, D. imlicaris. Fall., a Palteaictic species. Distribution. Probably almost universally distributed. Melichar thus differentiates the genus : Vertex pointed orobtusely angularly produced; face symmetrically hexagonal;pronotum broader than loug; tegmina longer or slightly shorterthan the abdomen, rounded off behind, with distinct veins usuallybordered with brown to black ; in the clavus a distinct transversevein running from the outer claval vein to the c


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