A new Australian species of invasive psyllid, Acizzia convector Burckhardt & Taylor, sp. nov. (Psylloidea: Psyllidae) associated with Acacia auriculiformis and A. mangium (Fabaceae) Author Taylor, Gary S. Author Halbert, Susan E. 0000-0003-4341-5196 Florida Department of Agriculture and Consumer Services, Division of Plant Industry, Gainesville, Florida, USA. Susan. Halbert @ FDACS. gov; https: // orcid. org / 0000 - 0003 - 4341 - 5196 Author Tripathy, Ashirwad 0000-0001-7772-2616 Entomology Branch, Forest Protection Division, Forest Research Institute, P. O. New Forest, Dehradun, Uttarakhand 248006, India. ashirwadresearch 101 @ gmail. com; https: // orcid. org / 0000 - 0001 - 7772 - 2616 ashirwadresearch101@gmail.com Author Burckhardt, Daniel Naturhistorisches Museum, Augustinergasse 2, 4001 Basel, Switzerland. text Zootaxa 2023 2023-01-11 5228 1 61 72 journal article 228177 10.11646/zootaxa.5228.1.3 c4a37531-b85b-42aa-a563-54d1b505b7b2 1175-5326 7524018 1F2EBC1F-7020-4A85-B585-6BC729D6F5D3 Key to adults of Acizzia species known from the Americas 1 Metabasitarsus with two spurs, one on either side ... 2 - Metabasitarsus with only one (outer) lateral spur ... 3 2 Fore wing with a spotted pattern. Male proctiger bearing an elongate pointed appendage on the rounded posterior lobes....................................................................................... A. convector sp. nov. - Fore wing pattern not spotted. Male proctiger lacking an elongate pointed appendage on the rounded posterior lobes............................................................................................... A. jamatonica 3 Body length to tip of folded wings less than 1.6 mm . Metatibia lacking genual spine. Male proctiger with apical tubular portion about as long as or shorter than basal portion. Paramere lamellar, without a tooth or other sclerotised structure at midlength................................................................................... A. acaciaebaileyanae - Body length to tip of folded wings more than 1.9 mm . Metatibia with small genual spine. Male proctiger with apical tubular portion slightly or much longer than basal portion. Paramere with a tooth or other sclerotised structure at midlength...... 4 4 Paramere, in profile, weakly convex along fore margin of apical two thirds; bearing a sclerotised ridge on the inner face in apical quarter. Fore wing pattern sometimes indistinct.............................................. A. uncatoides - Paramere, in profile, with sclerotised tooth along fore margin in apical quarter or fifth. Fore wing pattern always well contrasted........................................................................................... 5 5 Apex of paramere, in profile, bearing a thumb-like sclerotised process that is pointing up and backwards in an angle of 45° to longitudinal axis of paramere and a small anterior sclerotised tooth that is pointing forwards in a 90° angle. Female subgenital plate, in profile, pointed apically. On Grevillea and Hakea spp. (Proteaceae) ............................... A. hakeae - Apex of paramere, in profile, bearing an outer digitiform, weakly sclerotised process that is pointing upwards in the axis of paramere and a strongly sclerotised inner tooth that is pointing forwards in a 90° angle. Female subgenital plate, in profile, truncate apically. On Acacia spp. (Fabaceae) ....................................................... A. jucunda