A new species of the nearctic gall-forming genus Ta ma l i a Baker (Hemiptera: Aphididae: Tamaliinae) Author Kanturski, Mariusz Author Wieczorek, Karina text Zootaxa 2015 3926 2 268 278 journal article 10.11646/zootaxa.3926.2.7 761ffb43-a4c8-4b39-8382-05637d706727 1175-5326 240796 3A7050CE-3C5A-4E38-BDB6-060E2EE0C234 Key to apterous viviparous females of the genus Tamalia (Characters distinguishing T. coweni and T. keltoni after Richards, 1967 ; Miller and Sharkey, 2000 ; Blackman and Eastop, 2006 ) 1. ANT at least 5-segmented. ARS with no more than 13 accessory setae, no longer than 0.10 mm . ARS 0.93–1.21 times HT II and 0.50–0.66 times ANT III............................................................................ 2 - ANT always 5- or 6-segmented. ARS with no fewer than 18 accessory setae, no shorter than 0.15 mm . ARS 1.71–1.95 times HT II, and 1.42–2.05 times ANT III..................................................................... 4 2. ANT 5-segmented. Abdominal tergum uniformly dark sclerotic.................................. T. inquilinus Miller - ANT 4-segmented. Abdominal tergum with transverse cross-bands.............................................. 3 3. Dorsal abdomen with cross-bands and with numerous small spicules. Head setae not more than 1.50 times BD III............................................................................................... T. coweni Cockerell - Dorsal abdomen with sclerotized spots and without spicules. Head setae at least 2.0 times BD III........ T. keltoni Richards 4. HT I with 4 ventral setae. Dorsal spicules 0.012–0.018 mm long, with slightly rounded apices. PT/BASE (for 5-segmented individuals) 0.33–0.40....................................................... T. dicksoni Remaudière & Stroyan - HT I with 2 ventral setae. Dorsal spicules very short, 0.002–0.005 mm long, pointed. PT/BASE 0.47–0.52. T. milleri sp. nov.