Nfav Leaf-Hoppfrs (Homoptera, Jassoidea) from 
Western At’STOALiA. 
149 
TUMOCERUS gen. ik)v. 
Tile maxillary plates are narrow, and the lora and anto-clypeus are flat 
and depressed below the swollen fronto-clypeiis : tiie eyes are large. The 
crown is m ide and more or less at right-angles to the face though forming part 
of one curved surface with it. The sutures that limit the fronto-elyp(nis 
posteriorly may be flistinet or indistinct. The pronotum narrows laterally 
and the bases of thc! tegmina lie close behind the eyes. The tt^gmina have 
wide appendices and the cross-vein that represents M | ^ 2 . i-^ coiFsiderahl v 
longer than is usual. The hind tibiae are short and have two strong spines 
S(T on enlarged bases in addition to several weak spines. The sub-genital 
plates in the male are wide apical ly, the paiameres are sliort and the pygo- 
phores are not produceil. 
Tumocerus varius sp. nov. (Genotype). 
(Plate III, figs 4-7.) 
Le)}gtli 4 mm. Head, ventral surface yellow, eyes dark brown, ocelli red, 
hind margin of the fronto-clypeus brown. Crown wider in the centre than 
against the eyes, yellow suflused with brown medially and with twf) round 
black markings. Pronotmn brownish-grey, Sciitellum yellow, with two tri- 
angular brown markings close to the centre ; muscle inpressions black. 
Tegmen hyaline, partially suffused with brown ; veins dark brown. Thorax 
and Abdomen, ventral surface ye]Iow% legs brown. Type A from Dedari, 
1 ;3t). Note , — A variety occurs in which extensiv^e black markings occur on 
the head, and the thorax may be largely brown. 
Tumocerus merredinensis sp. nov. 
(Plate II r., figs. 2, 3.) 
Length 4 mm. HeaA pale buff, eyes dark brown. Crown of ev^en width 
throughout with two brown .spots. Pronotum an<l Scutellum concolorous with 
the h(^ad. Tegmen pale h yaline-bi’own, veins i>ale brown. Thorax anrl Ahdo- 
men, ventral surface apricot yellow. Type 9 from Merredin 12 ^35. 
Tumocerus grandis sp. nov. 
(Plat(' III., fig. 1.) 
Length 5-o mm. Head pale buff, eyes dark brown. Head wid('i- in the 
centre than against the (‘yes with two round black markings. Pronotum 
concolorous wuth the crown. Scutellum with two small brown spots lying on 
each side of the centre, muscle impr<‘ssions ilark brown. Tegmen, pale hyaline- 
brown, veins brown. TJforax anrl Abdotneu, ventral surface pale buff. 
Type 9 from Dedari, 1 'Sfi. 
Tumocerus glaucus sp. nov. 
(Plate III., fig. 1.5.) 
Ijength 5 mm. Head, ventral surface pale yellowish gn^en. Crown of 
even width throughout, narrowly pale yellowish-green against the eyes, medi- 
ally pink, with two marginal large black spots ; eyes red. Pronot^im, antero- 
laterally pale yellowish-green, medially pink. Scmtelliim, apricot. Tegynen, 
proximally, membrane and veins pale yellowish-gnam, distally hyaline-brown, 
veins dark brown. Thorax and Abdomen, ventral surface and legs, pale 
yellowish-green. Type (f from Dedari, I ;3ti. 
