The Panchaetothripinae (Thysanoptera, Thripidae) of Brazil, with one new Caliothrips species Author Lima, Élison Fabrício Bezerra 0000-0002-6361-0928 Author O’Donnell, Cheryle Ann 0000-0002-2260-9998 https: // orcid. org / 0000 - 0002 - 2260 - 9998 Author Miyasato, Elisa Aiko 0000-0002-6361-0928 https: // orcid. org / 0000 - 0002 - 5710 - 0905 Author Br, Pi. text Zootaxa 2020 2020-07-28 4820 2 201 230 journal article 8929 10.11646/zootaxa.4820.2.1 b2e5c0b0-2582-4a40-8bc8-3d416772ed35 1175-5326 4397490 340C25FD-6DD4-482F-A5F9-40715B4FA206 Key to genera of Panchaetothripinae in Brazil [*Not currently recorded in Brazil ] 1. Fore wings grossly inflated in basal 2/3 ( Fig. 3 ); antennal segment VIII about 3.5 times longer than width of segment II ( Fig. 34 )...................................................................................... Arachisothrips -. Fore wings not inflated, generally linear and flat; antennal segment VIII less than 2.0 times longer than width of segment II ( Figs 35–47 )......................................................................................... 2 2. Fore wings with protruding calosities and surface covered with small tubercles basally ( Fig. 91 ), but with microtrichia distally......................................................................................... Retithrips -. Fore wings without callosities ( Figs 80–90 )................................................................ 3 3. Antennal segments III and IV with sense cone simple ( Figs 35, 40, 43 )........................................... 4 -. Antennal segments III and IV with sense cone forked ( Figs 37, 38 ).............................................. 9 4. Antennae 7-segmented; fore wings broad, reticulate with feather-shaped setae ( Fig. 90 )…................ Parthenothrips -. Antennae 6- or 8- segmented; fore wings without reticulation, slender and with setae of different shapes ( Figs 80–89 )..... 5 5. Body surface almost without reticulation, except for part of metanotum ( Figs 48 , 68 ); fore wings with long, dark setae ( Figs 6, 7 ); antennal segment IV prolonged in a tapered apical neck, antennal segment III with long and tapered basal part ( Fig 35 ); tergite X without longitudinal division ( Fig. 97 )................................................ Brachyurothrips -. Body surface reticulate, including the head, pro-, meso- and metanotum and abdomen ( Figs 49–51 , 55–64 , 69–79 ); antennal segments III and IV different; tergite X with full longitudinal division ( Figs 103, 106 )............................... 6 6. Abdominal tergite II with numerous curved microtrichia laterally ( Fig. 105 ); mesonotum with complete longitudinal division ( Figs 66, 72 )......................................................................................... 7 -. Abdominal tergite II reticulate laterally ( Fig. 104 ); mesonotum not divided longitudinally ( Figs 70, 71, 74–76 )........... 8 7. Antennal segments III and IV with sense cone curved around apex of segment, sometimes appearing to be forked ( Fig. 40 ); metanotum with setae on posterior half; terminal setae on tergite X with apex expanded ( Fig. 106 )............. Elixothrips -. Antennal segments III and IV usually with sense cone straight; metanotum with long setae ahead of anterior margin, but on anterior half of sclerite ( Fig. 66 ); terminal setae on abdominal tergite X with apex pointed................ Anisopilothrips * 8. Tergite X 2.5 times longer than wide ( Fig. 103 ); median setae of tergites small, distance between their bases more than 5 times their length ( Fig. 104 ); long and polygonal reticles around compound eyes; legs not distinctly paler than body; fore wings curved forward with apex pointed; tarsi 1- or 2-segmented ( Figs 93, 94 )................................. Dinurothrips -. Tergite X about as long as wide ( Figs 107, 108 ); median setae on tergites long, distance between their bases equal to their length; reticles around compound eyes not distinct from rest of head sculpture ( Fig. 57 ); body dark, legs usually light yellow ( Figs 19–24 ); fore wing apex rounded; tarsi 1-segment............................................... Heliothrips 9. Tarsi 2-segmented ( Fig. 95 )............................................................................ 10 -. Tarsi 1-segmented (cf. Fig. 93 ).......................................................................... 11 10. Antennal segment III with basal stem more than 3 times longer than wide, segments III and IV with sense cone slender ( Fig. 36 ); ocellar area not elevated; two pairs of long postocular setae; head reticulate only posteriorly ( Figs 53, 54 ); tergite X without longitudinal division......................................................................... Bradinothrips -. Antennae different; ocellar area on an elevation, postocular setae shorter, head strongly reticulate ( Figs 58, 59 ); tergite X with longitudinal division......................................................................... Hercinothrips 11. Tergite II anterolaterally with numerous conspicuous recurved microtrichia (cf. Fig 105 ); setae on fore wing fusiform and flattened ( Figs 88, 89 ); tergite X asymmetrical, right side shorter than left side ( Figs 27, 28, 30 ); median setae on tergites V–VII slightly curved at apex; tergite VIII with posteromarginal comb complete; antenna 6- or 8-segmented ( Figs 45, 46 )................................................................................................... Hoodothrips -. Tergite II without conspicuous recurved microtrichia; setae on fore wing different; tergite X symmetrical; antenna 8-segmented ( Figs 37, 38 )........................................................................................ 12 12. Head with sub-posteromarginal transverse ridge ( Fig. 56 )........................................... Helionothrips -. Head without sub-posteromarginal transverse ridge ( Figs 57–64 )............................................... 13 13. Metanotum with V-shaped dark area ( Fig. 65 ); fore wings with complete two rows of setae ( Fig. 92 ); pronotum with transverse lines of sculpture............................................................................. Selenothrips -. Metanotum without such dark area; fore wings with at least one setal row incomplete; pronotum reticulate............. 14 14. Reticles on head and gena with conspicuous internal markings; head with parallel sides ( Figs 49–51 )......... Caliothrips -. Reticles on head without internal markings or with few markings posteriorly, head constricted behind eyes and at base ( Fig. 62 ).......................................................................................... Oneilliella