The Australian issid planthopper genus Orinda Kirkaldy, 1907: New subgenera, new species, host plant and identification key (Hemiptera: Fulgoromorpha: Issidae) Author Constant, Jérôme Royal Belgian Institute of Natural Sciences, O. D. Phylogeny and Taxonomy, Entomology, Vautier Street 29, B- 1000 Brussels, Belgium jerome.constant@naturalsciences.be Author Semeraro, Linda DCAAD2E7-80F7-4EA9-98D9-167FE8B97C58 Agriculture Victoria Research, Agribio, Centre for Agribioscience, 5 Ring Road, Bundoora, 3083, Victoria, Australia linda.semeraro@agriculture.vic.gov.au text European Journal of Taxonomy 2023 2023-09-22 891 128 150 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2277/9811 journal article 272982 10.5852/ejt.2023.891.2277 adc0d7e2-da98-4455-89b7-0a95513ea1e1 2118-9773 8378991 3DC84AA2-B448-449F-B766-8872F615666E Subgenus Montorinda subgen. nov. urn:lsid:zoobank.org:act: 2E18F76C-545F-4C70-AECA-C01FA5DD7C14 Type species Orinda ( Montorinda ) eungellana sp. nov. , by present designation. Diagnosis Body parallel-sided in dorsal view; posterior wings well developed, trilobed with veins CuA and CuP fused apically. The subgenus differs from Orinda ( Orinda ) by its well-developed hind wings (sugbgenus Orinda with rudimentary hind wings); from the subgenus Scapulorinda subgen. nov. by its parallel-sided body (body narrowing towards the posterior in Scapulorinda ) and by the hind wings with veins CuA and CuP fused only apically (veins fused along distal ¼ and thickened in Scapulorinda ).