Conspectus of the Phlaeothripinae genera from China and Southeast Asia (Thysanoptera, Phlaeothripidae) Author Dang, Li-Hong Author Mound, Laurence A. laurence.mound@csiro.au Author Qiao, Ge-Xia qiaogx@ioz.ac.cn text Zootaxa 2014 2014-05-29 3807 1 1 82 journal article 5377 10.11646/zootaxa.3807.1.1 239ef927-f13d-4898-b3a2-1cbb63c98215 1175-5326 4918122 2D4B429C-A8E3-4B02-9C15-286FCF7D04F1 Key to Phlaeothripinae genera from China and SE Asia [excluding Austrothrips and Eothrips q.v.;*indicates no species studied] 1. Compound eyes holoptic, surrounding the ocelli ( Fig. 72 ); mouth cone extending across prosternum; body black with yellow, red and white markings when alive....................................................... Macrophthalmothrips -. Compound eyes smaller, never fully surrounding ocellar region ( Figs 71, 73, 74 ); mouth cone various; body colour various, but never with yellow, red and white markings.................................................................. 2 2. Tube parallel-sided, long and slender with elongate anal setae, usually 2–4 times as long as tube ( Fig. 25 ); abdominal segment IX usually much longer than wide ( Fig. 25 ) [body with reticulate and tubercles on dorsal surface ( Figs 28, 29, 33 ); basantra absent; usually aptera].................................................................................. 3 -. Tube various, but anal setae usually as long as tube, if long, basantra well-developed; body surface various; abdominal segment IX wider than length ( Fig. 45 )....................................................................... 8 3. Antenna 5- or 6-segmented, morphological segments III–V united, VII–VIII sometimes fused without sutures ( Fig. 90 ) [head with 1–3 pairs of setae on anterior margin]....................................................... Stephanothrips -. Antenna 7- or 8-segmented, segments III–V completely separated, VII–VIII sometimes fused without sutures............ 4 4. Anterior margin of head with 1–3 pairs of prominent setae ( Figs 28, 29 ).......................................... 5 -. Anterior margin of head with no prominent setae ( Fig. 33 )..................................................... 6 5. Anterior margin of head with one pair of prominent setae ( Fig. 29 )..................................... Bradythrips -. Anterior margin of head with three pairs of prominent setae ( Fig. 28 ).................................... Baenothrips 6. Head projecting in front of eyes ( Fig. 43 ).......................................................... Habrothrips -. Head not projecting in front of eyes, but sometimes produced as a hump.......................................... 7 7. Postocular setae well-developed with apex expanded, close together; anal setae 4 times as long as tube or more.. Alerothrips * -. Head without distinct long postocular setae ( Fig. 33 ); anal setae about twice as long as tube.................... Urothrips 8. Antennal segment III much smaller than IV ( Figs 31 , 65 , 91 ), these segments either broadly joined or fused.............. 9 -. Antennal segments III and IV normal, distinctly separated from each other....................................... 11 9. Pronotal setae blunt to expanded at apex ( Fig. 91 ); antenna 8-segmented, segment III about 0.5 as long as IV, and widely joined to IV......................................................................................... Preeriella -. At least pronotal posteroangular setae sickle-shaped at apex ( Figs 31 , 65 ); antenna usually 7-segmented, morphological segments III–IV fused with or without sutures................................................................ 10 10. Pronotal notopleural sutures absent; pm setae similar in size to pa setae................................. Crinitothrips -. Pronotal notopleural sutures present, but incomplete; pm setae much smaller than pa setae................... Hyidiothrips 11. Antennal segment II with campaniform sensorium on median or basal half of segment ( Fig. 96 )...................... 12 -. Antennal segment II with campaniform sensorium on apical half of segment ( Figs 12, 13, 16 )........................ 17 12. Body with long barbed setae on elongate dorsal tubercles; tarsal tooth and hamus equally developed in all legs [tergite VIII with 2 pairs of wing-retaining setae]............................................................. Andrethrips * -. Body with major setae simple; tarsal tooth and hamus not equally developed in any legs............................ 13 13. Antennal segment IV broad apically, with more than 4 prominent sensoria ( Fig. 96 ); female abdominal sternite VIII with row of stout posteromarginal setae................................................................... Streptothrips -. Antennal segment IV narrowed at apex, with 3 (or 2) prominent sensoria; female abdominal sternite VIII without stout setae.. 14 14. Sternite VIII posterior margin with series of long teeth........................................... Chirothripoides * -. Sternite VIII simple, without posteromarginal teeth.......................................................... 15 15. Head produced in front of eyes; prosternal ferna large, fused medially................................. Mastigothrips * -. Head not produced in front of eyes ( Fig. 74 ); prosternal ferna of two distinct plates............................... 16 16. Antennal segment IV with 2 sensoria; fore femora inner margin with tooth............................... Menothrips * -. Antennal segment IV with 3 sensoria; fore femora inner margin without tooth............................ Plectrothrips 17. Maxillary stylets short and V-shaped, usually scarcely retracted into head capsule ( Figs 8 , 84 , 95 )..................... 18 -. Maxillary stylets various, at least clearly visible in head anterior to postoccipital ridge.............................. 21 18. Antennal segment III with 3 sensoria, IV with 4 sensoria, segments VII–VIII broadly joined or fused ( Fig. 11 ); prosternal basantra present ( Fig. 8 ); fore wing constricted medially........................................... Akarethrips gen n. -. Antennal segment III with 1–2 sensoria, IV with 2–3 sensoria, segments VII–VIII distinct from each other; prosternal basantra absent or weakly developed; fore wing without median constriction............................................. 19 19. Fore femora expanded, with at least one large tooth on inner margin ( Figs 92, 93 )....................... Veerabahuthrips -. Fore femora without tooth on inner margin................................................................ 20 20. Metathoracic sternopleural sutures present; abdominal tergites III–VI each with one pair of wing-retaining setae in macropterae ( Fig. 94 ); living on dead branches..................................................... Sophiothrips -. Metathoracic sternopleural sutures absent; abdominal tergites III–VI each with 2 pairs of wing-retaining setae in macropterae; living on Poaceae ........................................................................... Bamboosiella 21. Abdominal tergite VIII with 1 or 2 pairs of curved wing-retaining setae ( Figs 68 , 86 )............................... 22 -. Abdominal tergite VIII with no wing-retaining setae......................................................... 25 22. Pronotal aa absent; antennal segments III-IV each with 2 sensoria.................................... Solomonthrips -. Pronotal aa developed; antennal segment III with 2 or 3 sensoria, IV with 3 or 4................................... 23 23. Eyes prolonged on ventral surface of head; tergite VIII with only one pair of curved wing-retaining setae...... Lizalothrips * -. Eyes not longer ventrally than dorsally; tergite VIII with 2 pairs of curved wing-retaining setae....................... 24 24. Pronotal am setae minute ( Fig. 131 ); antennal segment III with 3 sensoria, IV with 4; fore wing parallel-sided... Phylladothrips -. Pronotal am well developed, as long as aa ( Fig. 84 ); antennal segment III with 2 sensoria, IV with 3; fore wing slightly contricted medially........................................................................ Propesolomonthrips 25. Antenna 5-segmented, morphological segments III–VI joined ( Fig. 77 ) [body surface bearing numerous tubercles, most setae broadly expanded; meso- and metanotum fused; abdominal tergite I transverse, broadly fused to tergite II; tube encircled by a transverse furrow medially]................................................................... Murphythrips -. Antenna 7- or 8-segmented............................................................................. 26 26. Fore wing with 3 brown bands, without duplicated cilia, sub-basal setae weak ( Fig. 21 ); abdominal tergites III–VI each with one pair of wing-retaining setae............................................................... Aleurodothrips -. Fore wing rarely banded, duplicated cilia and sub-basal setae various; abdominal tergites III–VI usually with 2 pairs of wingretaining setae....................................................................................... 27 27. Antennae 7-segmented [body surface strongly reticulated].......................................... Strepterothrips -. Antennae 8-segmented, but sometimes VII–VIII closely joined, with complete or incomplete suture................... 28 28. Antennal segment III usually with more than 6 stout sensoria ( Fig. 12 ), if with 4, fore femur with a median tubercle in both sexes ( Fig. 130 )........................................................................... Ecacanthothrips -. Antennal segment III with no more than 4 sensoria.......................................................... 29 29. Tube elongate, usually more than 10 times as long as basal width, with numerous lateral setae ( Fig. 70 ); abdominal tergites II–V with 2 pairs of wing-retaining setae, usually fan-shaped; antennal segment IV with two sensoria........... Leeuwenia -. Tube less than 5 times as long as basal width; if tube elongate, then abdominal tergites II–V with numerous wing-retaining setae, or antennal segment IV with three sensoria........................................................... 30 30. Head with 2 pairs of prominent postocular setae ( Fig. 105 ); antennal segment IV with 2 sensoria; head of female with ocellar triangle prolonged conically over base of antennae ( Fig. 105 )....................................... Coryphothrips -. Head usually with one pair of postocular setae; if with 2 pairs then antennal segment IV with 3 sensoria; head not prolonged into cone over base of antennae......................................................................... 31 31. Antennal segment VIII elongate ( Fig. 17 ); head constricted basally; maxillary stylets far apart from each other; pronotal am (and usually aa) setae minute, notopleural sutures incomplete; fore tarsal tooth absent in both sexes; fore wing parallel-sided...... 32 -. Not above combination of characters..................................................................... 34 32. Maxillary stylets parallel medially in head, about one third of head width apart; mouth cone pointed.......... Athlibothrips -. Maxillary stylets wide apart and V-shaped in head; mouth cone broadly rounded................................... 33 33. Head about as long as wide ( Fig. 71 ); fore wing sub-basal setae reduced; leaf-feeding species............... Litotetothrips -. Head longer than wide; fore wing sub-basal setae well-developed; gall-inducing species................... Thlibothrips * 34. Antennal segment II asymmetric, inner margin sharply angulate ( Fig. 104 ); head projecting over bases of antennae, first ocellus directed forwards ( Fig. 104 ); mesopresternum completely absent [antennal segment III with one sensorium, IV with two sensoria; pronotal epimera laterally strongly eroded]................................................ Chelaeothrips -. Antennal segment II not sharply asymmetric; anterior margin of head different; mesopresternum various, transverse, or reduced to two lateral triangles, or rarely fused to anterior margin of mesoeusternum............................... 35 35. Antennal segment III with one sensorium, IV with 3 ( Fig. 89 ) [basantra usually absent]............................. 36 -. Sensorium number on antennal segments III and IV different from above........................................ 62 36. Basantra present; postocular setae minute......................................................... Jennythrips * -. Basantra absent; postocular setae usually developed......................................................... 37 37. Eyes with posterior ommatidia enlarged ( Figs 81, 82 , 119, 120 )................................................ 38 -. Eyes without enlarged posterior ommatidia................................................................ 41 38. Mesonotum, metanotum and tergites II–VI yellow, head and abdominal segments VII–X dark brown [maxillary stylets retracted almost to compound eyes, close together medially in head].................................. Praeciputhrips -. Body uniformly brown................................................................................ 39 39. Posteromarginal setae on abdominal segment IX 0.6 as long as tube..................................... Manothrips * -. Posteromarginal setae on abdominal segment IX as long as tube, or a little shorter................................. 40 40. Pronotum with notopleural sutures incomplete ( Fig. 119 )............................................ Gemmathrips -. Pronotum with notopleural sutures complete ( Fig. 120 ).............................................. Rosingothrips 41. Body strongly reticulate dorsally, usually with fine internal wrinkles; tube usually elongate, at least 5 times as long as basal width, and with fine lateral setae; head about twice as long as width across eyes, cheeks parallel ( Fig. 3 ); antennal segments III–V usually slender; pelta triangular.................................................................... 42 -. Not above combination of characters..................................................................... 44 42. Maxillary stylets elongate, retracted to just behind eyes, close together medially ( Fig. 3 ).................. Agynaikothrips -. Maxillary stylets short and wide apart, retracted to basal third of head length...................................... 43 43. Abdominal tergites II–V with more than 4 pairs of sigmoid or straight wing-retaining setae ( Figs 39, 41, 42 )... Gigantothrips -. Abdominal tergites II–V with 2 pairs of sigmoid wing-retaining setae, usually also with several pairs of accessory smaller wing-retaining setae........................................................................ Gynaikothrips 44. Postocellar setae elongate, much longer than diameter of posterior ocelli.............................. Chaetokarnyia * -. Postocellar setae not elongate........................................................................... 45 45. Maxillary stylets retracted to compound eyes and close together medially in head ( Figs 66 , 124 )...................... 46 -. Maxillary stylets not reaching compound eyes, about one third of head width apart medially......................... 47 46. Metanotum strongly reticulate; pronotum clearly narrower than prothorax width; female with a large fore tarsal tooth................................................................................................. Horistothrips -. Metanotum weakly reticulate; pronotum occupying full width of prothorax; female without a fore tarsal tooth..................................................................................................... Psephenothrips 47. Female with sharply recurved, pointed tooth on inner apex of fore tibia ( Fig. 142 ), and fore femora swollen but without tooth on inner margin.............................................................................. Myopothrips -. Fore tibia of both sexes without a large recurved tooth at inner apex............................................. 48 48. Head strongly constricted basally, forming a neck with one or more stout setae just anterior to the constriction ( Fig. 83 ); fore tibia of male with small triangular tooth at inner apex ( Fig. 83 )....................................... Sphingothrips -. Head not constricted to a basal neck with stout setae; fore tibiae of male with no tooth or tubercle at inner apex.......... 49 49. Head with two pairs of equally developed postocular setae ( Fig. 118 )................................... Adelphothrips -. Head with no more than one pair of well-developed postocular setae............................................ 50 50. Pronotum with no long major setae, epim no longer than width of fore tibia ( Fig. 129 ); pronotum anterior angles with numerous stout setae ( Fig. 129 ); head much longer than wide, cheeks with numerous stout setae, postocular setae minute ( Fig. 129 ) [both sexes with large fore tarsal tooth].......................................................... Phasmothrips -. Pronotum anterior angles without numerous stout setae, major setae usually elongate, head usually with postocular setae and cheeks without numerous stout setae..................................................................... 51 51. Postocular setae behind inner margin of compound eyes, and cheeks with numerous short stout setae ( Fig. 121 ) [antennal seg- ments III–IV sensoria 0.75 as long as their segments]................................................ Zelotothrips -. Postocular setae arising further apart; cheeks without numerous setae........................................... 52 52. Head with one pair of stout setae on basal third of cheeks ( Fig. 80 ).................................. Ponticulothrips -. Head without such stout cheek setae...................................................................... 53 53. Antennal sensoria on III and IV long and slender, at least 2/3 as long as segment.................................. 54 - Antennal sensoria scarcely half as long as segment.......................................................... 55 54. Male with fore tarsal tooth; head scarcely long than wide ( Fig. 126 ).................................... Eugynothrips -. Male without fore tarsal tooth; head much longer than width ( Fig. 127 )................................. Phenicothrips 55. Postocular setae minute, not extending to posterior margin of eye ( Fig. 109 )...................................... 56 -. Postocular setae well-developed........................................................................ 57 56. Body surface strongly reticulate; fore tarsal tooth present in female; tergite IX setae much shorter than tube... Medogothrips -. Body surface not reticulate, pronotum with transverse sculpture lines; fore tarsal tooth absent in both sexes; tergite IX setae longer than tube ( Fig. 109 ).................................................................... Pnigmothrips 57. Fore tarsal tooth present in both sexes.................................................................... 58 -. Fore tarsal tooth absent in females, rarely present in males.................................................... 59 58. Pronotal epimeral setae well developed, usually much longer than other major setae ( Fig. 32 ); metathoracic sternopleural sutures well developed....................................................................... Crotonothrips -. Pronotal 5 pairs of major setae well developed, epimerals slightly longer ( Fig. 122 ); metathoracic sternopleural sutures present, but short................................................................................. Liophloeothrips 59. Male with fore femora enlarged and large fore tarsal tooth; fore tarsus of female without tooth............. Propealiothrips -. Fore femora of male not enlarged; fore tarsal tooth absent in both sexes.......................................... 60 60. Antennal segment VIII long and slender, constricted basally, as long as VII, or a little longer ( Fig. 13 )..... Eurhynchothrips -. Antennal segment VIII short and slightly constricted basally, distinctly shorter than VII............................. 61 61. Male tergite IX with setae S2 as long as setae S1.................................................. Isotrichothrips -. Male tergite IX with setae S2 much shorter than setae S1............................................... Liothrips 62. Body surface strongly reticulate, many short sculpture lines inside each reticle ( Fig. 87 ); maxillary stylets long, retracted to eyes, close together medially ( Fig. 87 ); pronotal major setae and postocular setae short, broadly expanded at apex ( Fig. 87 ); postocular setae close together ( Fig. 87 ); metathoracic sternopleural sutures present; fore wing, if developed, weakly constricted medially, with duplicated cilia............................................................ Azaleothrips -. Not above combination of characters..................................................................... 63 63. Mesopresternum fused to mesoeusternum medially ( Figs 24 , 116 ).............................................. 64 -. Mesopresternum transverse, or reduced to two lateral triangles, never fused to mesoeusternum ( Figs 50, 52, 54 ).......... 65 64. Antennal segment VIII clearly separate from VII, III with 3 sensoria; pronotal am, aa and ml setae not arising close together ( Fig. 19 ); fore wing constricted medially........................................................... Asianthrips -. Antennal segment VIII fused to VII, III with 2 sensoria ( Fig. 114 ); pronotal am, aa and ml setae arising close together ( Fig. 113 ); fore wing parallel sided................................................................. Trichinothrips 65. Head strongly reticulate and with cheeks distinctly in-cut just behind eyes ( Fig. 78 )................................ 66 -. Head not strongly reticulate and with cheeks not in-cut behind eyes............................................. 68 66. Pronotum with 5 pairs of major setae with broadly expanded apices ( Fig. 78 ); postocular setae long and capitate. Mystrothrips -. Pronotum with only epimeral setae developed; postocular setae minute.......................................... 67 67. Head with cheeks almost parallel-sided; antennal segment III with 3 sensoria; pronotal epimeral setae less than 20 microns long..................................................................................... Sagenothrips * -. Head with cheeks swollen behind eyes ( Fig. 46 ); antennal segment III with 2 sensoria; pronotal epimeral setae more than 30 microns long ( Fig. 46 )...................................................................... Heliothripoides 68. Basantra present, usually well developed.................................................................. 69 -. Basantra absent or weak............................................................................... 86 69. Anterior margin of head produced into a prominent ensiform process overhanging base of antennae ( Fig. 57 )..... Sinuothrips -. Anterior margin of the head without such a process.......................................................... 70 70. Postocular setae minute; only epimerals developed and expanded on pronotum; forewing without duplicated cilia [antennal segments III–IV with 2 and 4 sensoria respectively]........................................... Ananthakrishnana * -. Postocular setae usually well developed, at least reaching posterior margin of eyes; all five pairs of pronotal setae developed, sometimes am, ml reduced; forewing with or without duplicated cilia........................................... 71 71. Metathoracic sternopleural sutures present................................................................. 72 -. Metathoracic sternopleural sutures absent................................................................. 75 72. Basantra well developed, longer than wide ( Fig. 59 )......................................................... 73 -. Basantra usually broader............................................................................... 74 73. Pronotal notopleural sutures complete ( Fig. 58 ); anal setae usually about twice as long as tube ( Fig. 141 ); fore wing constricted medially..................................................................................... Podothrips -. Pronotal notopleural sutures incomplete ( Fig. 133 ); anal setae slightly longer than tube; fore wing parallel-sided Okajimathrips 74. Anal setae long, about 1.5 times as long as tube ( Fig. 140 ); pronotal am setae minute, ml setae as long as aa setae ( Fig. 125 ).......................................................................................... Praepodothrips -. Anal setae as long as tube; pronotal am and ml setae minute ( Fig. 26 )................................... Bagnalliella 75. Pronotal notopleural sutures incomplete ( Fig. 60 ); antennal segment III with one sensorium, IV with 4........... Dyothrips -. Pronotal notopleural sutures complete; antennal segments III–IV with different sensoria formula than above............ 76 76. Fore femur inner margin with small blunt tubercle either at base or medially ( Figs 5 , 110 )........................... 77 -. Fore femur without tubercle on inner margin............................................................... 78 77. Fore femur inner margin with small blunt tubercle at base ( Fig. 5 )...................................... Androthrips -. Fore femur inner margin with small blunt tubercle medially ( Fig. 110 )................................. Sumatrothrips 78. Head sharply constricted basally, with several stout setae on cheeks ( Fig. 56 ); maxillary stylets short and V-shaped, not reaching postocular setae; stout fore tarsal tooth present in both sexes; antennal segment III with 3 sensoria, IV with 4.. Mesothrips -. Not this combination of characters....................................................................... 79 79. Mouth cone straight, pointed, usually extending to mesothorax ( Fig. 35 )................................ Dolichothrips -. Mouth cone usually short and rounded.................................................................... 80 80. Wings and tergal wing-retaining setae usually absent; antennal III with 1 sensorium, segment IV with 2 or 3; pronotum with 5 well developed setae........................................................................ Apterygothrips -. Not above combination of characters..................................................................... 81 81. Abdominal segments II–VI with 1 pair of wing-retaining setae ( Fig. 69 ).................................. Plicothrips -. Abdominal segments II–VI with 2 pairs of wing-retaining setae................................................ 82 82. Anal setae elongate, usually twice as long as tube or more, if shorter then pronotum notopleural sutures incomplete; basantra sometimes as long as wide; pronotal am setae usually minute ( Fig. 55 )................................. Karnyothrips -. Anal setae shorter, no more than 1.5 times as long as tube; pronotal am setae usually developed...................... 83 83. Fore tibia with small tooth at inner apex in both sexes ( Fig. 112 )....................................... Glenothrips -. Fore tibia with no small tooth at inner apex................................................................ 84 84. Antennal segment III with 1 or 2 prominent sensoria................................................. Haplothrips -. Antennal segment III with 3 sensoria..................................................................... 85 85. Pronotum with 3 pairs of major setae, am and aa minute ( Fig. 108 ).................................... Logadothrips -. Pronotum usually with 5 pairs of major setae (am rarely small)....................................... Xylaplothrips 86. Maxillary stylets long, retracted to eyes, close together medially for full length of head ( Figs 61 , 66 )................... 87 -. Maxillary stylets never close together medially for full length of head........................................... 90 87. Antennal segments III and IV each with 3 sensoria ( Fig. 88 )......................................... Pygmaeothrips -. Antennal segment IV with 4 sensoria..................................................................... 88 88. Antennal segment III with 4 sensoria............................................................ Oidanothrips -. Antennal segment III with 2 or 3 sensoria................................................................. 89 89. Fore tarsal tooth present in both sexes............................................................. Holothrips -. Fore tarsal tooth absent in both sexes ( Fig. 1 )...................................................... Ablemothrips 90. Female sternite VIII with pair of stout or leaf-like posteromarginal setae ( Fig. 102 ); major setae strongly expanded at apex ( Figs 97, 98 )............................................................................... Terthrothrips -. Female sternite VIII without pair of stout posteromarginal setae............................................... 91 91. Wingless; pronotal am, aa and ml setae no larger than discal setae, pa setae often also small or scarcely 0.5 as long as epimeral setae; postocular setae not reaching posterior margin of eyes ( Fig. 123 )................................ Cephalothrips -. Usually macropterous; at least pronotal ml, pa and epimeral setae long, also postocular setae extending to posterior margin of eyes............................................................................................... 92 92. Apex of fore femora at inner margin with tooth in both sexes ( Fig. 2 ); head without pair of stout setae on cheeks ( Fig. 2 ).............................................................................................. Acanthothrips -. Fore femora of female without tooth, male sometimes with tooth; head with pair of stout setae on basal third of cheeks.... 93 93. Maxillary stylets short, wide apart, usually V- or U-shaped.................................................... 94 -. Maxillary stylets long, close together medially............................................................. 97 94. Pronotum with 3 pairs of major setae, am and aa minute ( Fig. 73 )..................................... Psalidothrips -. Pronotum with 4 or 5 pairs of major setae, sometimes am minute............................................... 95 95. Antennal segment III with 2 sensoria........................................................... Prosantothrips -. Antennal segment III with 3 sensoria..................................................................... 96 96. Abdominal tergites with one pair of wing-retaining setae; pronotum with 5 pairs of major setae; antennal segment IV with 3 sensoria................................................................................ Margaritothrips * -. Abdominal tergites with two pairs of wing-retaining setae; pronotum usually with 4 pairs of major setae, am usually minute; antennal segment IV usually with 4 sensoria...................................................... Deplorothrips 97. Maxillary stylets relatively broad, usually 4–6 microns wide ( Fig. 20 ); pronotal aa and ml setae relatively close together ( Fig. 20 )...................................................................................... Apelaunothrips -. Maxillary stylets slender, usually 2–3 microns in diameter; pronotal aa and ml setae well separated.................... 98 98. Postocular setae behind inner margin of eyes ( Fig. 4 ); metathoracic sternopleural sutures absent............ Adraneothrips -. Postocular setae wider apart; metathoracic sternopleural sutures usually present................................... 99 99. Major setae usually expanded at apex ( Figs 63, 64 ); fore wings usually weakly constricted medially....... Hoplandrothrips -. Major setae usually acute at apex ( Fig. 62 ); fore wings, if developed, parallel-sided........................ Hoplothrips