Thripidae

• Main Author: Mound, Laurence A.
• Format: Text
• Language: unknown
• Published: Zenodo 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Thysanoptera; Thripidae; Seta; Macquarie Island
• Online Access: https://dx.doi.org/10.5281/zenodo.6190121; https://zenodo.org/record/6190121

Key to Thripidae genera with species dependent on Poaceae in Australia 1. Female with sternite VII posteromarginal setal pairs S 1 & S 2 arising closer to each other than to setal pair S 3 (Fig. 40)..... 2 -. Sternite VII pairs of posteromarginal setae arising equidistant from each other (Figs 10, 36).......................... 3 2. Prosternum with no setae; prosternal ferna complete medially; ocellar setae pair III arising within triangle (Fig. 38). Exothrips -. Prosternum with 2 or more setae, prosternal ferna divided medially (Fig. 44); ocellar setae pair III arising outside triangle (Fig. 39)....................................................................................... Parexothrips 3. Pronotum with no long setae at posterior angles............................................................. 4 -. Pronotum with at least one pair of prominent posteroangular setae............................................. 15 4. Wings absent, or reduced to lobes no longer than width of thorax................................................ 5 -. Wings fully developed................................................................................. 10 5. Prosternum with one or more pairs of setae (Fig. 45)................................................. Caprithrips -. Prosternum without any setae........................................................................... 6 6. Abdominal sternites with transverse row of discal setae (cf Fig. 10).............................................. 7 -. Abdominal sternites with no discal setae (cf Fig. 36).......................................................... 8 7. Antennae 6 -segmented; tarsi 1 -segmented......................................................... Aptinothrips -. Antennae 8 -segmented; tarsi 2 -segmented................................................. Ozanaphothrips [part] 8. Abdominal sternites III–VI posterior margins with craspedum deeply lobed between marginal setae........... Apterothrips -. Abdominal sternites III–VI with no craspedum.............................................................. 9 9. Body dark brown, strongly reticulate; antennae 7 -segmented......................................... Moundothrips -. Body variable, yellow to brown, never strongly reticulate; antennae 8 - or 9 -segmented, segment VI sometimes with incomplete suture............................................................................. Anaphothrips [in part] 10. Antennae 7 -segmented; fore wings without prominent setae................................................... 11 -. Antennae 8 - or 9 -segmented; fore wings with setae on veins including costa...................................... 12 11. Body colour pale yellow, including antennal segments I – V; metathoracic endofurca elongate lyre-shaped.......... Edissa -. Head and thorax dark brown, strongly reticulate, abdomen golden; metathoracic endofurca transverse........ Phibalothrips 12. Body dark brown; head and pronotum reticulate with markings inside the reticles; hind coxae internally with prominent coiled apodeme; metathoracic endofurca elongate lyre-shaped............................................... Caliothrips -. Body colour various, yellow or brown or bicoloured; reticulation, when present, without internal markings; hind coxae inter- nally without a coiled apodeme; metathoracic endofurca transverse............................................. 13 13. Abdominal sternites with transverse row of discal setae...................................... Ozanaphothrips [part] -. Abdominal sternites with no discal setae.................................................................. 14 14. Ocellar setae I absent; antennal segments III & IV with sensorium simple; metanotum with complex sculpture lines (Fig. 90); ovipositor weak, not serrate (Fig. 91); metapre-episternum broadly band-like.............................. Takethrips -. Ocellar setae I present; antennal segment IV with sensorium forked, III with sensorium sometimes simple; metanotum with reticulate sculpture; ovipositor serrate; metapre-episternum slender and tapering laterally............ Anaphothrips [in part] 15. Tergites V–VII with paired ctenidia laterally (Figs 30, 82).................................................... 16 -. Tergites V–VII without paired lateral ctenidia.............................................................. 17 16. Antennal segments III–IV with sensoria simple.................................................... Bolacothrips -. Antennal segments III–IV with sensoria forked................................................ Stenchaetothrips 17. Female abdominal tergite X with pair of stout thorn-like setae.......................................... Limothrips -. Female abdominal tergite X without such setae............................................................. 18 18. Sensorium on antennal segment III simple, on IV usually simple but rarely forked................................. 19 -. Sensorium forked on antennal segments III and IV.......................................................... 28 19. Prosternal basantra with 1 or more pairs of setae (Fig. 58)..................................................... 20 -. Prosternum without any setae.......................................................................... 24 20. Fore tibia inner apex with broadly flattened or bifurcate seta; head strongly prolonged in front of eyes; ocellar setae pair I absent.................................................................................... Organothrips -. Fore tibia inner apex without modified seta; head scarcely prolonged in front of eyes; ocellar setae pair I present........ 21 21. Abdominal tergites with no craspedum including segment VIII (Fig. 46); sternites with no discal setae........ Karphothrips -. Tergites II–VIII with broad craspedum on posterior margin (Figs 47, 62); sternites with or without row of discal setae.... 22 22. Abdominal sternites II–VI posterior margin with craspedum of five broad lobes (Fig. 49); ocellar setae I absent; fore wing cla- vus with discal seta present; sternites with no discal setae....................................... Kranzithrips gen.n. -. Abdominal sternites II–VI posterior margin either with dentate craspedum or with no craspedum; ocellar setae I present; fore wing clavus with no discal seta; sternites with transverse row of discal setae..................................... 23 23. Abdominal sternites with dentate craspedum (Figs 76, 78); maxillary palps 3 -segmented.................... Monothrips -. Abdominal sternites with no craspedum (Fig. 60); maxillary palps 2 -segmented.................... Masamithrips gen.n. 24. Fore wing clavus with no discal seta (Fig. 13); sternites with transverse row of discal setae (Figs 10, 17)............... 25 -. Fore wing clavus with discal seta (Fig. 35); sternites without discal setae (Fig. 36)................................. 26 25. Body and legs yellow; pronotum with 2 pairs of posteroangular setae (Figs 1, 5); mesothoracic furca usually without spinula; metanotum without campaniform sensilla (Fig. 1)............................................. Aliceathrips gen.n. -. Body brown or bicoloured; pronotum with one pair of small posteroangular setae; mesothoracic furca with short spinula; metanotal campaniform sensilla present or absent........................................... Ozanaphothrips [part] 26. Pronotum weakly trapezoidal, head not unusually small (Fig. 31); antennal segment II symmetrical; tergal campaniform sen- silla close to posterior margin (Fig. 33); metapre-episternum transversely band-like; female macropterous dark brown; male sometimes bicoloured, macropterous or micropterous............................................ Bregmatothrips -. Pronotum strongly trapezoidal, much larger than head (Fig. 23); antennal segment II often strongly asymmetric and prolonged laterally; tergal campaniform sensilla distant from posterior margin; metapre-episternum scarcely prolonged laterally; female macropterous, brown, sometimes bicoloured when teneral; male apterous........................................ 27 27. Mesothoracic furca T-shaped with broad lateral flanges, invaginations close together near mid-line (Fig. 25).... Chirothrips -. Mesothoracic furca weak, without broad lateral flanges, invaginations widely separated (Fig. 24)............. Arorathrips 28. Fore tibial apex with 2 claws, rarely with one; sensorium on antennal segment VI with greatly enlarged, broadly oval base.......................................................................................... Odontothripiella -. Fore tibia without an apical claw; sensorium on antennal segment VI with circular base............................ 29 29. Fully apterous, head with no ocelli; tergite IX with 2 pairs of stout setae [Macquarie Island]............... Physemothrips -. Macropterous, rarely micropterous; setae on tergite IX slender................................................. 30 30. Abdominal tergites II–VII with no craspedum; tergites with little sculpture; female with ovipositor valves weakly sclerotised and not serrate............................................................................. Plesiothrips -. Abdominal tergites II–VII with lobed craspedum and many transverse striae (Fig. 96); female with ovipositor valves strongly sclerotised and serrate.................................................................... Striathrips gen.n. : Published as part of Mound, Laurence A., 2011, Grass-dependent Thysanoptera of the family Thripidae from Australia, pp. 1-40 in Zootaxa 3064 on pages 5-6, DOI: 10.5281/zenodo.200567