New species and records of Asymmetrasca (Hemiptera: Cicadellidae: Typhlocybinae: Empoascini) from China and name changes in Empoasca (Matsumurasca) Author Liu, Yang Author Fletcher, Murray J. Author Dietrich, Christopher H. Author Zhang, Ya-Lin text Zootaxa 2014 3768 3 327 350 journal article 46351 10.11646/zootaxa.3768.3.4 ae50092c-8740-40db-89cc-959efad637da 1175-5326 227248 D315EBBE-ACEE-4E23-A6D8-C9BF6CB6ABA Key to species of Asymmetrasca based on males 1 Distal process of aedeagus with apex tapered, lacking branches or teeth........................................... 2 1’ Distal process of aedeagus with at least one preapical projection or tooth.......................................... 5 2 Distal process of aedeagus evenly curved throughout length in posterior view...................................... 3 2’ Distal process of aedeagus distinctly bent preapically in posterior view........................................... 4 3 Aedeagus with preatrium more than half length of shaft, shaft nearly straight ( Figs 24–25 )........................ helica 3’ Aedeagus with preatrium much less than half length of shaft, shaft distinctly curved in lateral view................ cisiana 4 Aedeagus with shaft much longer than preatrium ( Figs 38–39 )............................................. kaicola 4’ Aedeagus with shaft only slightly longer than preatrium ( Figs 8–9 ).................................... dahaituoensis 5 Distal process of aedeagus with two or more distal teeth....................................................... 6 5’ Distal process of aedeagus with a single preapical tooth or projection, or apex appearing bifid......................... 7 6 Aedeagus with dorsal apodeme very short, shaft without toothed dorsolateral flange ( Figs 33–34 )............ hypercurvata 6’ Aedeagus with dorsal apodeme well developed, shaft with toothed dorsolateral flange ( Figs 63–64 )................ sakaii 7 Distal process of aedeagus nearly straight in posterior view.................................................... 8 7’ Distal process of aedeagus strongly curved in posterior view................................................... 9 8 Distal process of aedeagus extended to right in posterior view, preapical projection extended dorsad ( Figs 1–2 )....... cienka 8’ Distal process of aedeagus extended to left in posterior view, preapical projection extended ventrad ( Figs 43–44 ).... liaoensis 9 Aedeagal shaft with basal width> 1/3 shaft length along dorsal margin in lateral view............................. 10 9’ Aedeagal shaft with basal width much narrower than 1/3 width of length along dorsal margin in lateral view............ 11 10 Distal process of aedeagal shaft extended to right in posterior view, preapical process smaller than section distad of process ( Figs 49–50 )..................................................................................... mona 10’ Distal process of aedeagal shaft extended to left in posterior view, preapical process as large as section distad of process ( Figs 61–62 )........................................................................................ rybiogon 11 Distal process of aedeagus with single large preapical tooth or projection........................................ 12 11’ Distal process of aedeagus with 2 or more preapical teeth (may be small)........................................ 13 12 Distal process of aedeagus with preapical projection extended dorsad in posterior view shaft distinctly bent dorsad in lateral view......................................................................................... nipponica 12’ Distal process of aedeagus with preapical projection extended laterad in posterior view, shaft nearly straight in lateral view ( Figs 69–70 )..................................................................................... uncus 13 Distal process of aedeagus tapered with several small preapical teeth............................................ 14 13’ Distal process of aedeagus with apex, expanded and truncate with medial tooth ( Figs 79 ).................... uniprossicae 14 Aedeagal shaft shorter than preatrium, without denticuli on dorsal surface ( Figs 55–56 )........................ reflexilis 14’ Aedeagal shaft longer than preatrium, with denticuli on dorsal surface........................................... 15 15 Aedeagal shaft with section distad of gonopore longer than basal section ( Figs 16–17 )......................... decedens 15’ Aedeagal shaft with section distad of gonopore shorter than basal section ( Figs 47–48 )......................... lutowa