Teuchothrips Hood
Creators: name: Mound, Laurence A.
name: Dang, Lihong
name: Tree, Desley J.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Phlaeothripidae
Teuchothrips

description: Teuchothrips species of Australia
1. Antennal IV with 2 large sense cones (rarely with a small sense cone ventrally).................................... 2
- Antennal segment IV with 3 large sense cones............................................................. 13
2. Metanotum with additional setae anterior to major setal pair (Figs 61, 90)......................................... 3
-. Metanotum with no setae anterior to major pair of setae (Figs 25, 30)............................................ 4
3. Maxillary stylets almost touching medially in head (Fig. 56); all discal setae on metanotum and pronotum broad and blunt (Fig. 61), major pair unusually long; female with fore tarsal tooth; macropterae with 2 pairs of sigmoid setae on tergites III–VII [on Melaleuca glomerata]....................................................................... kokatha sp.n.
-. Maxillary stylets about one fifth of head width apart (Fig. 88); all discal setae on metanotum and pronotum finely acute (Fig. 90); female with fore tarsal inner margin slightly swollen but without a tooth; macropterae and micropterae with only one pair of sigmoid setae on segments III–VI [on Tephrosia sp.]........................................... miriwoong sp.n.
4. Tergite IX S1 setae with apices finely acute, as long as or slightly longer than tube (Fig. 9)........................... 5
-. Tergite IX setae with apices expanded or capitate, shorter than tube (Figs 4, 47).................................... 6
5. Fore wing with several duplicated cilia [on Acacia linifolia and Melaleuca]................................. longiseta
-. Fore wing with no duplicated cilia [on Callistemon and Melaleuca salicina]................................. froggatti
6. Maxillary stylets close together, retracted to postocular setae (Fig. 5)............................................ 7
-. Maxillary stylets separated by one fifth to one third width of head (Figs 31, 32, 84)................................ 11
7. Tergite IX setae S1 no longer than basal width of tube, and less than 0.5 as long as tube (Fig. 8) [antennal segments III–VI almost yellow] [on Melaleuca].................................................................. aliceae sp.n.
-. Tergite IX setae S1 longer than basal width of tube, and more than 0.5 as long as tube............................... 8
8. Macroptera with pelta more than 2.0 times as wide as long and anterior margin almost transverse (Fig. 105); pronotal am and aa setae broadly capitate; tube less than twice as long as basal width [metanotum strongly reticulate]................ soror
-. Microptera or macroptera, pelta less broad (Figs 111, 112); pronotal am and aa setae weakly capitate; tube twice as long as basal width............................................................................................... 9
9. Macroptera with median reticles of metanotum longer than wide (Fig. 102); pelta narrowly bell-shape [head about 1.25 as long as wide] [on Melaleuca]........................................................................... sodalis
-. Metanotal reticles equiangular or scarcely developed (Fig. 66); pelta broadly bell-shaped or triangular, 1.5–1.8 as wide as long.............................................................................................. 10
10. Tube about 1.8 times as long as basal width (Fig. 110); macropterous, fore wing with no duplicated cilia; pelta triangular (Figs 111–112); male tergite IX setae S2 as long as setae S1 [on Melaleuca viridiflora]........................... tolga sp.n.
-. Tube about 2.2 times as long as basal width; micropterous; pelta broadly bell-shaped (Fig. 66); male tergite IX setae S2 short and stout [on Leptospermum sp.].......................................................... leptospermum sp.n.
11. Fore tarsal tooth small in male, minute and scarcely visible in female; fore wing with duplicated cilia... melaleucae [in part]
-. Fore tarsal tooth large in both sexes, at least half as long as tarsal width; fore wing without duplicated cilia............. 12
12. Tergite IX setae S1 about 0.8 as long as tube; macropterous, fore wing deeply shaded in basal half with numerous robust minute surface denticles, sub-basal setae at least 0.5 as long as wing basal width; postocular setae extending well beyond posterior margin of eyes, sometimes about half as long as dorsal eye length (Fig. 32) [on Dodonaea]................ dodonaea sp.n.
-. Tergite IX setae S1 scarcely 0.4 as long as tube, about as long as tube basal width; micropterous, if macropterous, fore wing pale, sub-basal setae about 0.2 as long as wing basal width, scarcely three times as long as their apical width (Fig. 87); postocular setae vary from very short to extending beyond posterior margin of eyes (Fig. 84) [on Callistemon saligna and Melaleuca]... minor
13. All tibiae yellow; anal setae about twice as long as tube [on Lophostemon suaveolens]....................... badu sp.n.
-. Mid and hind tibiae brown at base at least; anal setae no more than as long as tube................................. 14
14. Pronotum with only epimeral setae well developed (Figs 45, 114).............................................. 15
-. Pronotum usually with at least 4 pairs of major setae (Fig. 37)................................................. 17
15. Micropterous, pelta much wider than long (Fig. 53); maxillary stylets retracted almost to eyes; female fore tarsal tooth minute and directed forwards; apices broadly expanded of pronotal epimeral and tergite IX setae [on Calytrix]........ kaurna sp.n.
-. Macropterous, pelta triangular or elongate (Fig. 46); maxillary stylets less deeply retracted (Figs 44, 113); female fore tarsal tooth massive; pronotal epimeral and tergite IX setae slender and capitate........................................ 16
16. Tube almost twice as long as head; pelta broadly triangular (Fig. 115); maxillary stylets very low in head; postocular setae small and distant from eye margins............................................................... toowoomba sp.n.
-. Tube slightly shorter than head; pelta slightly longer than wide (Fig. 46); maxillary stylets retracted to postocular setae; postocular setae extending to eye margins [male sternite VIII with small subcircular pore plate (Fig. 48)]...... jarowair sp.n.
17. Maxillary stylets either almost touching medially or scarcely one-fifth of head width apart, separated rarely by 0.25 of head width (Figs 37, 96)................................................................................... 18
-. Maxillary stylets at least one-third of head width apart (Figs 31, 83)............................................ 33
18. Mouth cone pointed and extending to mesopresternum; metanotum with narrow, almost striate, reticles [fore tarsi with no tooth; fore wing with about 7 duplicated cilia]............................................................. acripilus
-. Mouth cone not extending beyond prosternal ferna (Figs 12, 74); metanotal reticles almost equiangular................ 19
19. Macropterae, but fore wing with no duplicated cilia......................................................... 20
-. Macropterae and fore wing with at least 4 duplicated cilia, or micropterae....................................... 21
20. Male sternite VIII with pore plate median and transverse (Fig. 100); male tergite IX setae S2 shorter than S1 [on Leptospermum, Cassinia, Melaleuca and Kunzea].............................................................. simplicipennis
-. Male sternite VIII fully occupied by pore plate (Fig. 39); male tergite IX setae S2 equal to S1 [on Melaleuca].... gangurru sp.n.
21. Pronotal am setae pointed to bluntly pointed, and scarcely larger than discal setae................................. 22
-. Pronotal am setae at least weakly capitate but varying in length from short to as long as pronotal aa setae.............. 25
22. Tergite IX setae S1 long and finely pointed (Fig. 19)........................................................ 23
-. Tergite IX setae S1 varying in length and at least weakly capitate (Fig. 75)....................................... 24
23. Fore wing with only two small sub-basal setae; male sternite VIII posterior third with irregular transverse pore plate involving discal setae (Fig. 20) [head at least 1.5 times as long as wide (Fig. 17)] [on Tetrastigma]............... bundjalong sp.n.
-. Fore wing with three large sub-basal setae; male pore plate occupying most of sternite VIII.................. ater [in part]
24. Fore wings pale; tarsi brown; antennals VII & VIII confluent (Fig. 71); mesopresternum of 3 sclerites (Fig. 74); male sternite VIII with narrow pore plate close to posterior margin [on Leptospermum].............................. lutruwita sp.n.
-. Fore wings uniformly light brown; tarsi yellow; base of antennal segment VIII sharply narrower than VII apex; mesopresternum reduced to 2 lateral sclerites; male sternite VIII with large pore plate [on Prostanthera]..................... monga sp.n.
25. Antennal segments IV–VI almost uniformly light yellow..................................................... 26
-. Antennal segments IV–VI with base pale but apex brown.................................................... 28
26. Postocular setae as long as dorsal eye length (Fig. 27)................................................. clavipilus
-. Postocular setae no more than 0.6 of dorsal eye length...................................................... 27
27. Fore tarsal tooth reduced to a small hump in both sexes (Fig. 50); head and pronotum with weak sculpture; male with pore plate occupying almost all of sternite VIII as well as tergite VIII (Fig. 52) [on Terminalia sp.]..................... jukun sp.n.
-. Fore tarsal tooth sharply acute in both sexes (Fig. 64); head and pronotum with reticulate sculpture (Fig. 63); male pore plate occupies anterior third of sternite VIII but without extending onto the tergite [on Planchonia careya]........ larrakia sp.n.
28. Fore wing sub-basal setae with bases arranged almost in a straight line.......................................... 29
-. Fore wing sub-basal setae S2 close to S3, bases often arranged in a triangle (Fig. 43)............................... 31
29. Maxillary stylets retracted to postocular setae, about 0.25 of head width apart (Fig. 28) [on Eremophila deserti].... connatus
-. Maxillary stylets retracted to eyes and close together medially (Figs 1, 93)....................................... 30
30. Tube with straight lateral margins, length about 2.2 times basal width (Fig. 4); pelta unusually slender, clearly longer than wide (Fig. 3) [from Eremococcus gall on Agonis linearifolia]............................................. agonis sp.n.
-. Tube with weakly convex lateral margins, length about 1.8–1.9 times basal width (Fig. 95); pelta basal width about 1.2 times as long as median length (Fig. 94) [from Eriococcid gall on Melaleuca].................................. mooni sp.n.
31. Anal setae much shorter than tube; male sternite VIII with no pore plate [on Pyrethrum]................... mareeba sp.n.
-. Anal setae about as long as tube or a little longer; male sternite VIII with a transverse pore plate...................... 32
32. Tergite IX setae S1 and S2 of both sexes as long as tube or longer, sharply acute at apex; po setae as long as dorsal eye length, more than 0.5 as long as distance between their bases................................................ ater [in part]
-. Tergite IX setae S1 and S2 of both sexes a little shorter than tube, capitate at apex; po setae a little shorter than eyes, less than 0.5 as long as distance between their bases (Fig. 41) [on Pittosporum phylliraeoides].................. garrunggam sp.n.
33. Metanotum anteromedially with several minute additional setae (Fig. 22); head with two pairs of postocular setae longer than eye length (Fig. 21); mid and hind legs uniformly dark brown including tarsi.............................. burroughsi
-. Metanotum with no additional setae anteromedially; head with postocular setae shorter, scarcely as long as eye length (rarely with two pairs); mid and hind tarsi yellow................................................................. 34
34. Postocular setae no larger than minor setae on head; fore tarsal tooth small and directed forwards....... melaleucae [in part]
-. Postocular setae clearly larger than minor setae, apices usually capitate; fore tarsal tooth well-developed, usually large.... 35
35. Tergite IX setae S1 as long as tube and acute (rarely bluntly pointed) (Fig. 9); postocular setae often longer than dorsal eye length, but shorter in some populations (Fig. 10); antennal segment IV usually 1.8–2.0 times as long as wide; macropterous [on Pittosporum & rarely Bursaria, Geijera & Myoporum].............................................. ater [in part]
-. Tergite IX setae S1 with apex capitate, rarely more than 0.6 as long as tube; postocular setae shorter than dorsal eye length (Fig. 31); antennal segment IV shorter, 1.6–1.8 times as long as wide; macropterous, rarely micropterous................... 36
36. Stylets retracted into head at least to po setae; sometimes wingless [on Bursaria]........................... badiipennis
-. Stylets usually retracted into head scarcely half-way to postocular setae (Fig. 31); macropterous [female often with postocular setae shorter than eye width] [on Callistemon]....................................................... disjunctus
description: Published as part of Mound, Laurence A., Dang, Lihong & Tree, Desley J., 2023, Structural diversity among the leaf-feeding thrips of Australia in the genus Teuchothrips (Thysanoptera, Phlaeothripinae) with 20 new species, pp. 441-475 in Zootaxa 5383 (4) on pages 444-446, DOI: 10.11646/zootaxa.5383.4.2, http://zenodo.org/record/10369631