Cornutipo Evans, 1934

Semeraro, Linda & Constant, Jérôme, 2023, The “ Triceratops ” leafhoppers. A new species of the genus Cornutipo Evans, 1934 from Northern Queensland, Australia. (Hemiptera: Cicadellidae: Eurymelinae: Ipoini), Belgian Journal of Entomology 137, pp. 1-20 : 4-5

Genus Cornutipo Evans, 1934

Cornutipo EVANS, 1934: 164 .

Type species: Cornutipo scalpellum Evans, 1934 .

Cornutipoides EVANS, 1934: 164 .

Type species: Cornutipoides tricornis Evans, 1934 (synonymised by EVANS, 1969).

DIAGNOSIS.

Body: Brown and white/ cream mottling on pronotum and tegmen.

Head: Orientation of head, vertical, crown narrowly visible dorsally; eyes prominent; verteX flat; fronto-clypeus or frons produced into a spatulate process or horn-like structure; anteclypeus and lora directed ventrad; lora swollen, posterior margin almost reaching the antennal ledges; narrow maXillary plates; rostrum reaching base of the mesocoXae.

Thorax: Pro-epimeron eXtended posteriorly as a fine spine or tooth over the mesopleuron. Tegmen broad at apeX, appendiX narrow. Legs with tibiae dorsally flat and relatively broad; metatibiae usually bearing 1 or 2 spurs, sometimes with a few small spines.

Abdomen: Male subgenital plates narrow, parameres very small and not reaching apeX of pygofer.

DIFFERENTIAL DIAGNOSIS.

Recognised from other Eurymelinae in having spatulate or horn-like processes on the head, the face having swollen lora with posterior apices reaching near the antennal bases, pronotum with a long lateral margin (distinctly separating the head from the base of the tegmen), the pro-epimeron having a posteriorly directed process and the males having unusually small subgenital plates and parameres ( EVANS, 1969).

DISTRIBUTION.

Australia: New South Wales, Northern Territory, Queensland, Victoria and Western Australia.

HOSTS.

Mimosaceae : Acacia auriculiformis A.Cunn. eX Benth.; Myrtaceae : Corymbia dichromophloia (F.Muell.) K.D.Hill & L.A.S.Johnson , Melaleuca acacioides F. Muell. ; Proteaceae : Grevillea pteridifolia Knight , G. parallela Knight , G. glauca Banks & Sol. eX. Knight, Hakea sp. ( EVANS, 1966).

ANNOTATED CHECKLIST OF THE SPECIES OF Cornutipo

* = type locality

C. bakeri Evans, 1969 [Western Australia: * Ashburton]. Holotype: AM.

C. chillagoensis sp. nov. [Queensland: * Chillagoe ]. Holotype: QM.

C. scalpellum Evans, 1934 [New South Wales: Strahorn State Forest; Northern Territory: Lake Mackay, Alice Springs; Queensland: *Duaringa, Pentland, Carnavon Ranges; Victoria: Red Cliffs ( EVANS, 1966)]. Holotype: BMNH

C. tricornis ( Evans, 1934) [Western Australia: *”North-West Australia ”; Derby, Cunderdin; Queensland: Mareeba, Atherton Tableland ( EVANS, 1966)]. Holotype: SAM.