Aduncothrips, Ananthakrishnan, 1963

Li, Yajin, Elie, Ntirenganya, Liu, Hui & Zhang, Hongrui, 2022, Aduncothrips newly recorded from China, with three new species and a new generic synonym (Thysanoptera: Aeolothripidae), Zootaxa 5141 (1), pp. 49-59 : 50

Key to species of Aduncothrips

(* indicates species placed in the key from descriptions)

1. Antennal segments III–IV with linear sensorium long, reaching to base of segments......................... inauditus *

-. Antennal segments III–IV with linear sensorium not reaching base of segments ( Fig. 33 )............................. 2

2. Fore wings with longitudinal dark band restricted to wing margins ( Fig. 20 )....................................... 3

-. Fore wings with longitudinally dark band extending across full width of wing, with base and apex pale ( Figs 8 , 31 )....... 4

3. Fore wings with longitudinal dark band along posterior only............................................ asiaticus *

-. Fore wings with longitudinal dark bands along both anterior and posterior margins ( Fig. 20 )............ huapingensis sp. n.

4. Metascutum with median pair of setae near middle, submedian pair slightly behind median pair, CPS present ( Fig. 32 ).............................................................................................. kailiensis sp. n.

-. Metascutum with median pair of setae near posterior margin, submendian pair at anterior margin, CPS present or absent ( Figs 2 , 10 )............................................................................................... 5

5. Antennal segment III almost brown, with the base pale; hind tibiae uniformly brown; pronotum not sculptured; metascutum with pair of CPS............................................................................... walkerae *

-. Antennal segment III pale or with apex brown; hind tibiae uniformly pale or with the base of fourth pale; pronotum densely sculptured with transverse lines; metascutum without CPS..................................................... 6

6. Antennal segment III pale ( Fig. 9 ); All tibiae and tarsi pale; pronotum with 3 pairs of posteromarginal setae, S1 setae stouter ( Fig. 5 )...................................................................................... albus sp. n.

-. Antennal segment III pale with apex brown ( Fig. 12 ); Legs brown, but base of middle tibiae yellowish brown, base fourth of hind tibiae pale; pronotum with 3 pairs of posteromarginal setae, S2 setae stouter ( Fig. 14 ).................... japonicus

Figures

FIGURES 29–36. Aduncothrips kailiensis sp.n. (29) Body of female; (30) Head and pronotum; (31) Forewing; (32) Meso and metanotum; (33) Antennal segments III–IV; (34) Antenna; (35) Maxillary palp; (36) Hemisternite VIII (arrows indicate discal setae on hemisternites).

FIGURES 18–28. Aduncothrips huapingensis sp.n. (18) Body of female; (19) Body of male; (20) Forewing; (21) Antenna; (22) Meso and metanotum (holotype); (23) Meso and metanotum (paratype); (24) Maxillary palp of female; (25) Hemisternite VIII (arrows indicate discal setae on hemisternites); (26) Hind leg; (27) Ternites VIII–X of male; (28) Maxillary palp of male.

FIGURES 1–9. Aduncothrips albus sp.n. (1) Body of female; (2) Body of male; (3) Tergites VII-X of male; (4) Meso and metanotum; (5) Head and pronotum; (6) Sternites III-VII of female; (7) Tergites VIII-X of female; (8) Forewing of male; (9) Antenna.

FIGURES 10–17. A. japonicas (10) Body of female; (11) Body of male; (12) Antenna of female; 13–17 Male. (13) Antennae; (14) Head, promotum, meso and metanotum; (15) Maxillary palp; (16) Ternites VIII–X; (17) Ternites I–II.