Azaleothrips
Creators: name: Okajima, Shûji
name: Masumoto, Masami
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Phlaeothripidae
Azaleothrips

description: Key to Azaleothrips species
[Excluding bhattii and lineus, *indicates no type specimens studied]
1. Antennal segment III with two (1 + 1) sensoria; basantra present, but weak; S2 setae on abdominal tergite IX of male expanded at apex; fore tarsal tooth absent in both sexes............................................................... 2
- Antennal segment III with three (1 + 2) sensoria; basantra absent; S2 setae on abdominal tergite IX of male not expanded, often blunt but also pointed at apex; fore tarsal tooth present in both sexes, rarely absent in female.......................... 0
2. Antennal segment IV with two (1 + 1) sensoria......................................................... moundi
- Antennal segment IV with three (1 + 2) or four (2 + 2) sensoria................................................. 3
3. Antennal segment IV with three sensoria.................................................................. 4
- Antennal segment IV with four sensoria.................................................................... 5
4. Middorsum of head strongly reticulate (Fig. 97); pronotum sculptured with lines of reticulation, which bear small tubercles postero-medially (Fig. 100); metanotum polygonally reticulate (Fig. 102)............................ phuketanus sp.n.
- Middorsum of head asperate, reticles inconspicuous (Fig. 130); pronotum distinctly sculptured with rows of small tubercles, asperate (Fig. 131); metanotum longitudinally reticulate marginally, strongly asperate and without lines of reticulation medi- ally (Figs 132 and 134)...................................................................... simulans sp.n.
5. Metanotum asperate, without lines of reticulation medially..................................................... 6
- Metanotum entirely reticulate........................................................................... 7
6. Metanotum longitudinally reticulate or striate marginally (Fig. 27); head usually longer than 1.2 times as long as wide; prono- tum with less than 35 short setae............................................................... bulelengi sp.n.
- Metanotum entirely asperate, without lines of reticulation or striation (Fig. 75); head about 1.1 times as long as wide; pronotum with more than 37 short setae................................................................. luzonicus sp.n.
7. Head entirely reticulated; cheeks convex, distinctly constricted at base; S1 setae on tergite IX longer than 0.5 of tube length........................................................................................ vietnamensis sp.n.
- Middorsum of head asperate, with numerous small tubercles; cheeks rather straight; S1 setae on tergite IX shorter than 0.5 of tube length.......................................................................................... 8
8. Abdominal tergite VIII with pair of short and simply curved wing-retaining setae in addition to minute setae (Fig. 5); tube about 0.7 times as long as head................................................................ apoensis sp.n.
- Abdominal tergite VIII only with minute setae; tube about 0.6 times as long as head, or shorter........................ 9
9. Both posterior wing-retaining setae on abdominal tergite IV closer apart, their distance is narrower than 1/3 of the tergite width; antennal segments VII + VIII about 1.4 times as long as segment VI; head about 1.2 times as long as wide (Fig. 111)......................................................................................... reticulatus sp.n.
- Both posterior wing-retaining setae on abdominal tergite IV wider apart, their distance is wider than 1/3 of the tergite width; antennal segments VII + VIII about 1.2 times as long as segment VI; head about 1.1 times as long as wide..... indonesiensis
10. Dorsal surface of head asperate, with minute tubercles among reticles (cf. Fig. 87); basal 1/4 to 1/2 of antennal segment VI yel- lowish (cf. Fig. 89), segments VII and VIII closely joined (cf. Fig. 88); fore tarsal tooth absent in female............... 11
- Dorsal surface not asperate, almost smooth or with delicate wrinkles among reticles; antennal segment VI entirely dark, or only basal neck paler, segment VIII usually distinct from segment VIII; fore tarsal tooth present in both sexes, but rarely absent in female, if absent S1 setae on tergite IX pointed in female................................................... 12
11. Metanotum yellowish at posterior half; mid femora largely yellow, often very weakly shaded with brown at middle of outer side; pelta weakly reticulate, almost smooth among reticles......................................... dorsalis sp.n.
- Metanotum entirely brown; mid femora brown, yellowish at apex; pelta distinctly reticulate, with wrinkles among reticles....................................................................................... mindanaoensis sp.n.
12. Head largely yellow, lateral and anterior margins brownish (Fig. 54).................................. inflavus sp.n.
- Head brown to dark brown............................................................................. 13
13. Head sculptured with weak lines of reticulation, not heavy (Figs 28 and 58); postocular setae long and slender, usually longer than 2/3 the length of compound eye; fore wing subbasal setae S3 longer than the width at median constriction of fore wing..................................................................................................... 14
- Not this combination of characters...................................................................... 15
14. Fore tibia with an inner tubercle or tooth at apex in female (Fig. 32), with a blunt tubercle in large male (Fig. 34); mesonotum reticulate, without any tubercles or microtrichia (Fig. 31); S2 setae on abdominal tergite IX expanded at apex in female.............................................................................................. dentatus sp.n.
- Fore tibia without tubercle or tooth in both sexes (Fig. 61); mesonotum with dentate microtrichia along transverse reticles; S2 setae on abdominal tergite IX sharply pointed at apex................................................. laevigatus
15. Fore femora yellow to pale brown, at least paler than head.................................................... 16
- Fore femora brown to dark brown, almost as dark as head, but often yellowish at apex............................. 24
16. S2 setae on abdominal tergite IX pointed in both sexes; male pore plate on abdominal sternite VIII interrupted medially (Fig. 96)................................................................................. .. philippinensis sp.n.
- S2 setae on tergite IX expanded at apex in female, usually pointed in male, rarely blunt, at least not expanded; male pore plate banded, not interrupted medially (cf. Figs 11 and 36)......................................................... 17
17. At least posterior 1/2 of metanotum with polygonal reticulations...................................... templeri sp.n.
- Metanotum longitudinally reticulate or striate, not with polygonal reticulations.................................... 18
18. Fore coxae yellow.................................................................................... 19
- Fore coxae brown................................................................................... 20
19. Metathorax and hind coxae brown; abdominal segments III to V brown, slightly paler at middle........... flavicollis sp.n.
- Metathorax yellowish, but anterior 2/3 of metanotum brown, hind coxae yellow; abdominal segments III to V yellowish at middle, with brown markings at both sides........................................................ pulcher sp.n.
20. Antennal segment IV brown at middle, yellowish at base and apex......................................... amabilis
- Antennal segment IV brown, yellowish only at base......................................................... 21
21. Antennal segments VII + VIII more or less slender, about 3.0 times as long as wide, or a little longer.................. 22
- Antennal segments VII + VIII shorter..................................................................... 23
22. Pronotum brown, concolorous with head; head almost as long as wide (Fig. 12); basal 1/4 of antennal segment IV yellowish; postocular setae shorter than half the length of compound eye; S1 setae on tergite IX shorter than half the length of tube in female....................................................................................... bali sp.n.
- Pronotum pale brown, paler than head; head a little longer than wide (Fig. 50); basal neck (= only basal constriction) of anten- nal segment IV yellowish; postocular setae longer than half the length of compound eye; S1 setae on tergite IX longer than half the length of tube in female.................................................................. formosae sp.n.
23. Extreme base (= basal neck) of antennal segment IV yellowish; pronotum distinctly reticulate at middle............ lepidus
- Basal 1/4 of antennal segment IV yellowish; pronotum very weakly reticulate at middle.................. toshifumii sp.n.
24. Mesonotum with ciliate microtrichia along lines of sculpture........................................... aspersus *
- Mesonotum with small tubercles or dentate microtrichia along lines of sculpture................................... 25
25. Pronotum with small tubercles, with or without lines of reticulation............................................ 26
- Pronotum with lines of reticulation, without small tubercles................................................... 28
26. Head almost as long as wide (Fig. 141).......................................................... taiwanus sp.n.
- Head distinctly longer than wide........................................................................ 27
27. Pronotum distinctly sculptured with rows of small tubercles (Fig. 119); fore tarsal tooth absent in female; S2 setae on tergite IX pointed in female........................................................................... richardi sp.n.
- Pronotum distinctly sculptured with numerous small tubercles and lines, minutely tuberculate along lines (Fig. 137); fore tarsal tooth present in female; S2 setae on tergite IX expanded in female.................................. sulawesicus sp.n.
28. Anal setae almost as long as tube, or shorter............................................................... 29
- Anal setae distinctly longer than tube..................................................................... 31
29. Antennal segment III entirely yellow (Fig. 65); tube long, about 0.8 times as long as head in female; S1 setae on tergite IX much shorter than 0.5 of tube length.............................................................. laocai sp.n.
- Antennal segment III brownish yellow or yellowish brown at apical half; tube shorter, about 0.7 times as long as tube, or shorter; S1 setae on tergite IX almost as long as 0.5 of tube length, or shorter.................................... 30
30. Antennal segment IV brown, yellowish at basal 1/4, somewhat paler at apical 1/4 (Fig. 7); anal setae almost as long as tube; S1 setae on tergite IX almost as long as half the length of tube; posterior pair of wing-retaining setae not enlarged; male pore plate on sternite VIII narrower, median short setae situated outside of this plate (Fig. 11)........................ atayal sp.n.
- Antennal segment IV brown, basal neck yellowish; anal setae shorter than tube; S1 setae longer than 0.5 of tube length; posterior pair of wing-retaining setae on tergites III– IV enlarged; male pore plate wider, but weak, median short setae situated inside of this plate........................................................................... malaya sp.n.
31. S2 setae on tergite IX pointed in female; male pore plate on sternite VIII interrupted medially (Fig. 23)....... bifidius sp.n.
- S2 setae on tergite IX expanded in female; male pore plate banded, uninterrupted medially.......................... 32
32. Anterior half of metanotum with 7 to 9 short setae; S1 setae on tergite IX shorter than 0.5 of tube length; fore femora yellowish at apex; mouth cone typical of the genus, not reaching mesopresternum (Fig. 47) (distended condition)......... floresi sp.n.
- Anterior half of metanotum with 3 to 5 short setae; S1 setae on tergite IX longer than 0.5 of tube length; fore femora entirely brown; mouth cone longer, usually reaching mesopresternum (Figs 125–128) (distended condition)............. siamensis
description: Published as part of Okajima, Shûji & Masumoto, Masami, 2014, Species-richness in the Oriental fungus-feeding thrips of the genus Azaleothrips (Thysanoptera, Phlaeothripidae), pp. 301-347 in Zootaxa 3846 (3) on pages 305-307, DOI: 10.11646/zootaxa.3846.3.1, http://zenodo.org/record/249498