New taxa and combinations in Neotropical Issidae (Hemiptera: Fulgoroidea) Author Gnezdilov, Vladimir M. Zoological Institute Russian Academy of Sciences Universitetskaya nab. 1, 199034, St. Petersburg, Russia. Author O’Brien, Lois B. Department of Entomology University of Arizona Tucson, 85721, Arizona, USA. text Insecta Mundi 2008 2008-03-17 2008 31 1 26 journal article 10.5281/zenodo.4532901 1942-1354 4532901 Key to species of Aztecus 1. Fore wing with wide hypocostal plate .......................................................................................... 2 — Fore wing without hypocostal plate ............................................................ A. sierrae (Fowler) 2(1). Small: males - 3.7 mm, females - 4.0-4.2 mm; metope with weak sublateral carinae .................. ........................................................................................................ A. mexicanus (Kirkaldy) Figure 26-32. Incasa riobambae (Schmidt) , male genitalia. 26) Aedeagus, ventral view. 27) Aedeagus, lateral view. 28) Anal tube, dorsal view. 29) Anal tube, lateral view. 30) Style, lateral view. 31) Capitulum of style, dorsal view. 32) Pygofer, lateral view. — Larger: males - 4.4-4.8 mm, females - 5.0-5.1 mm; sublateral carinae of metope indistinct ..... 3 3(2). General coloration light yellowish brown or light yellow ............................................................ 4 — General coloration light greenish brown ............................................. A. viridatus (Caldwell) 4(3). Fore wing with elevated longitudinal and transverse veins; metatarsomere I with single intermediate socle seta; apex of dorsal phallobase process rounded ......................................... 5 — Fore wing with weakly visible transverse veins; metatarsomere I with 2 intermediate socle setae; apex of dorsal phallobase process blunt ........................................ A. auroriferus (Caldwell) 5(4). Ventral branch of subapical process of the phallobase long .................... A. erratus (Caldwell) — Ventral branch of subapical process of the phallobase short .......... A. montezuma (Kirkaldy)