A new species of Odonaspis Leonardi, 1897 (Hemiptera: Coccomorpha: Diaspididae) from China Author Chen, Qian 0009-0004-7501-2652 Forestry Bureau of Renhuai, Renhuai, Guizhou, 564500, P. R. China. rh_cq@qq.com Author Jian, Qian 0000-0002-1166-8466 Institute of Entomology, Guizhou University; The Provincial Special Key Laboratory for Development and Utilization of Insect Resources, Guizhou University; Guiyang, 550025 P. R. China. Author Xing, Jichun Institute of Entomology, Guizhou University; The Provincial Special Key Laboratory for Development and Utilization of Insect Resources, Guizhou University; Guiyang, 550025 P. R. China. text Zootaxa 2024 2024-03-21 5428 2 290 300 http://dx.doi.org/10.11646/zootaxa.5428.2.7 journal article 10.11646/zootaxa.5428.2.7 1175-5326 10847658 974410B7-0461-46D0-ACC3-7855EDA25238 Key to species of Odonaspis (adult females) 1(0) Perivulvar pores absent................................................................................ 2 - Perivulvar pores present............................................................................... 13 2(1) Posterior spiracles without disc-pores..................................................................... 3 - Posterior spiracles with disc-pores....................................................................... 4 3(2) Postvulvar sternite with microducts; dorsum of head and thorax without microducts....................... O. siamensis - Postvulvar sternite without microducts; dorsum of head and thorax with microducts......................... O. sparsa 4(2) Vulva situated anterior to level of anal opening .............................................................. 5 - Vulva situated at, or posterior to, level of anal opening...................................................... 10 5(4) Pygidial scleroses absent............................................................................... 6 - Pygidial scleroses present, numbering 2 pairs............................................................... 8 6(5) Each anterior spiracle associated with fewer than 10 disc-pores......................................... O. rugosa - Each anterior spiracle associated with more than 20 disc-pores................................................. 7 7(6) Antennae situated marginally; postvulvar sternite without microducts................................. O. tapahensis - Antennae set well away from margin; postvulvar sternite with microducts................................ O. lingnani 8(5) Margin of abd. VIII forming 1 pronounced projection, rounded apically.................................. O. pacifica - Margin of abd. VIII forming 2 projections .................................................................. 9 9(8) Each posterior spiracle associated with 2–6 disc-pores; abd. VII with a large triangular projection on each margin, exceeding projections on abd. VIII.............................................................. O. renhuaiensis sp. nov. - Each posterior spiracle associated with a dense group of small disc-pores, numbering more than 20; abd. VII with a small triangular projection on each margin, not exceeding projections on abd. VIII............................ O. densipora 10(4) Pygidial scleroses absent...................................................................... O. graminis - Pygidial scleroses present, numbering 2 pairs.............................................................. 11 11(10) Vulva situated posterior to level of anal opening..................................................... O. texana - Vulva situated about level with anal opening ............................................................... 12 12(11) Margin of abd. VIII with 2 triangular projections, separated from each other by pointed emargination; dorsum of abd. VIII with 8–14 ducts............................................................................... O. stipagrostis - Margin of abd. VIII with 2 triangular projections, separated from each other by straight, transverse margin; dorsum of abd. VIII with 26–46 ducts ........................................................................... O. sabulincola 13(1) Posterior spiracles without associated disc-pores ............................................................ 14 - Posterior spiracles each associated with disc-pores......................................................... 16 14(13) Perivulvar pores present anteriorly and laterally to vulva..................................................... 15 - Perivulvar pores only present laterally to vulva................................................... O. paucipora 15(14) Gland tubercles present submarginally on venter of thorax .......................................... O. arcusnotata - Gland tubercles absent......................................................................... O. secreta 16(13) Pygidial scleroses absent.............................................................................. 17 - Pygidial scleroses present............................................................................. 18 17(16) Vulva situated about level with anal opening; perivulvar pores forming 3 groups.......................... O. floridana - Vulva situated posterior to level of anal opening; perivulvar pores forming 2 groups..................... O. trispatulata 18(16) With only 1 pair of pygidial scleroses.................................................................... 19 - With more than 1 pair of pygidial scleroses................................................................ 22 19(18) Vulva situated anterior to level of anal opening............................................................ 20 - Vulva situated posterior to level of anal opening............................................................ 21 20(19) Perivulvar pores forming 3 groups, present anteriorly and laterally to vulva.............................. O. morrisoni - Perivulvar pores forming 2 groups, each group situated laterally to vulva............................. O. schizostachyi 21(19) Gland tubercles present on thorax.............................................................. O. bromeliae - Gland tubercles absent from thorax................................................................ O. ruthae 22(18) With only 2 pairs of pygidial scleroses................................................................... 23 - With more than 2 pairs of pygidial scleroses............................................................... 39 23(22) Vulva situated anterior to level of anal opening............................................................ 24 - Vulva situated at, or posterior to, level of anal opening...................................................... 28 24(23) Perivulvar pores present anteriorly and laterally to vulva..................................................... 25 - Perivulvar pores only present laterally to vulva............................................................ 27 25(24) Gland tubercles absent........................................................................ O. spinulata - Gland tubercles present............................................................................... 26 26(25) Each posterior spiracle associated with 0–5 disc-pores............................................. O. oshimaensis - Each posterior spiracle associated with 10–27 disc-pores.......................................... O. miyakoensis 27(24) Postvulvar sternite sclerotized, with ducts present only along its intersegmental furrow....................... O. greenii - Postvulvar sternite not sclerotized, with ducts present throughout sternite........................... O. bouldersensis 28(23) Vulva situated at about level of anal opening ............................................................... 29 - Vulva situated posterior to level of anal opening........................................................... 31 29(28) Gland tubercles absent from thorax.......................................................... O. tsinjoarivensis - Gland tubercles present on thorax....................................................................... 30 30(29) Anterior spiracles each associated with 2–6 disc-pores; median group of perivulvar pores containing 5–16 pores... O. anneckei - Anterior spiracles each associated with 24–45 disc-pores; median group of perivulvar pores containing 14–39 pores................................................................................................... O. benardi 31(28) Gland tubercles absent from thorax...................................................................... 32 - Gland tubercles present on thorax....................................................................... 35 32(31) Postvulvar sternite without ducts............................................................. O. maasinensis - Postvulvar sternite with ducts.......................................................................... 33 33(32) Cuticular striations with small projections set at right angles to cuticle............................... O. bambusarum - Cuticular striations without projections................................................................... 34 34(33) Abd. VIII with 1 notch on each lateral margin; perivulvar pores forming continuous band anterior and lateral to vulva............................................................................................. O. australiensis - Margin of abd. VIII without notches; perivulvar pores forming 3 separate groups, 1 median and 2 lateral.......... O. panici 35(31) Dorsum of prothorax with 1 cicatrix on each side, level with mouthparts............................ O. galapagoensis - Dorsum of prothorax without cicatrices................................................................... 36 36(35) Gland tubercles forming 1 cluster on each margin at level of clypeolabral shield; perivulvar pores numbering 124–179 in each lateral group.............................................................................. O. phragmitis - Gland tubercles forming 2 clusters on each thoracic margin; perivulvar pores numbering no more than 90 in each lateral group................................................................................................... 37 37(36) With median dorsal intersegmental line visible between abd. V and VI; ducts present dorsally on submedian area of abd. IV........................................................................................ O. transkeiensis - Without median dorsal intersegmental line between abd. V and VI; without ducts on dorsum in submedian area of abd. IV... .................................................................................................. 38 38(37) Emargination on apex of abd. VIII without marginal microducts; inner ends of pygidial scleroses tapering... O. saccharicaulis - Emargination on apex of abd. VIII with 2–5 marginal microducts; inner ends of pygidial scleroses rounded..... O. litorosa 39(22) Vulva situated anterior to level of anal opening............................................................ 40 - Vulva situated at, or posterior to, level of anal opening ....................................................... 42 40(39) Postvulvar sternite with ducts only present on each side..................................................... 41 - Postvulvar sternite with ducts present throughout sternite.............................................. O. procera 41(40) Perivulvar pores present anteriorly and laterally to vulva............................................ O. collarifera - Perivulvar pores only present laterally to vulva..................................................... O. serrata 42(39) Vulva situated at about level of anal opening.............................................................. 43 - Vulva situated posterior to level of anal opening................................................ O. batarazaensis 43(42) Pygidial scleroses numbering 3 pairs; posterior spiracles each associated with 1–2 pores.................... O. aristidae - Pygidial scleroses numbering 4 pairs; posterior spiracles each associated with 14–21 pores.................. O. crenulata