Mesandrothrips, Priesner, 1933

Mound, Laurence A. & Tree, Desley J., 2019, Rediagnoses of the Asian genera Xylaplothrips and Mesandrothrips (Thysanoptera, Phlaeothripinae, Haplothripini), with keys to Australian species, Zootaxa 4613 (2), pp. 327-341 : 332

Key to Mesandrothrips species from Australia

1. Pronotum with am setae as long as aa setae ( Figs 23–25 )................................................. 2

-. Pronotal am setae minute, no larger than discal setae ( Figs 21, 22 ).............................................. 4

2. Antennal segment III yellow ( Fig. 13 ) in contrast to segments I–II and IV–VIII that are uniformly brown. kurandae sp.n.

-. Antennal segment III not sharply different in colour from other segments........................................ 3

3. Antennal segments IV–VI light brown to brown, III paler at base ( Fig. 16 )................................... pictipes

-. Antennal segments III–VI bicoloured, brown with bases sharply paler ( Fig. 15 ).......................... oleariae sp.n.

4. Mesopresternum incomplete or very slender medially ( Fig. 6 )................................................. 5

-. Mesopresternum complete medially and broadly boat-shaped ( Figs 7, 8 )......................................... 7

5. Fore tarsal tooth acute and almost as long as tarsal width ( Fig. 22 ); micropterous; longest sense cone on segment III no more than 0.6 as long as segment width........................................................... lamingtoni sp.n.

-. Fore tarsal tooth small or minute in both sexes; macropterous; longest sense cone on segment III 0.9 as long as maximum width of segment..................................................................................... 6

6. Mesopresternum slender and continuous medially; antennal segment III slender, at least 1.7 times as long as wide, IV–VI yellow at base ( Fig. 12 )............................................................................ inquilinus

-. Mesopresternum divided into two separate triangles ( Fig. 6 ); antennal segment III stouter, scarcely 1.5 times as long as wide ( Fig. 18 ), IV–VI scarcely paler at base.................................................................. darci

7. Postocular setae and fore wing sub-basal setae S3 pointed [tergite IX setae S1 finely pointed and almost as long as tube]................................................................................................................................. reedi

-. Postocular and fore wing sub-basal setae S3 with apices capitate............................................... 8

8. Pronotum slightly longer than wide ( Fig. 19 ); antennal segment III twice as long as wide; fore femora swollen, fore tibiae stout, fore tarsal tooth massive ( Fig. 5 )..................................................... austrosteensia sp.n.

- Pronotum wider than long; antennal segment III less than 1.8 times as long as maximum width; fore femora slender ( Fig. 21 )................................................................................................. 9

9. Antennal segment III 1.5 times as long as maximum width ( Fig. 10 ); tergite IX setae S1 with apices pointed...... clavipes

-. Antennal segment III 1.3 times as long as maximum width ( Fig. 11 ); tergite IX setae S1 with apices capitate googongi sp.n.

Figures

FIGURES 19–25. Mesandrothrips species. austrosteensia 19–20: (19) head & pronotum; (20) meso & metanota, pelta and tergite II. (21) googongi head & pronotum. (22) lamingtoni head & pronotum. (23) oleariae head & pronotum. (24) pictipes head, thorax & pelta. (25) kurandae pronotum.

FIGURES 9–18. Mesandrothrips species.Antennae 9–14: (9) austrosteensia; (10) clavipes; (11) googongi; (12) inquilinus; (13) kurandae; (14) lamingtoni; (15) oleariae; (16) pictipes. (17) googongi male aedeagus. (18) darci antennal segments II–V.

FIGURES 1–8. Xylaplothrips and Mesandrothrips. X. anarsius 1–4: (1) head & pronotum; (2) antenna; (3) meso & metanota, pelta and tergite II; (4) prosternum. (5) M. austrosteensia fore leg. (6) M. darci, prosternum. (7) M. googongi prosternum. (8) M. clavipes prosternum.