Hoplandrothrips

Mound, Laurence A. & Tree, Desley J., 2013, Fungus-feeding thrips from Australia in the worldwide genus Hoplandrothrips (Thysanoptera, Phlaeothripinae), Zootaxa 3700 (3), pp. 476-494 : 478-479

Key to Hoplandrothrips species from Australia

(excluding leai q.v.)

1. Anterior area of metanotum with at least one pair of small discal setae ( Figs 16, 19 )................................. 2

-. Anterior discal area of metanotum with no setae apart from the median major pair ( Figs 4 , 13 )........................ 6

2. Antennal segment III with only 2 sensoria; pronotal ml setae minute; mesopresternum incomplete medially, forming pair of lateral triangles; pelta broad, about twice as wide as long ( Fig. 16 ); male sternite VIII with small circular pore plate................................................................................................ hemiflavus sp.n.

-. Antennal segment III with 3 sensoria; pronotal ml setae well-developed; mesopresternum usually complete and transverse in both sexes; pelta more elongate; male sternite VIII with broadly transverse pore plate................................ 3

3. Mid and hind tibiae yellow in sharp contrast to brown femora....................................... xanthocnemis

-. Mid and hind tibiae not sharply different in colour from femora, mainly brown.................................... 4

4. Antennal segment III with prominent ring-like ridge near base ( Fig. 7 ); antennal segment VIII not constricted at base................................................................................................ coorongi sp.n.

-. Antennal segment III without a ring-like ridge near base; antennal segment VIII more or less constricted at base.......... 5

5. Body, mid and hind legs uniformly brown......................................................... howei sp.n.

-. Pronotum yellow, head brown with paired pale longitudinal stripes laterally ( Figs 17, 18 )................... hylaius sp.n.

6. Antennal segment IV with 3 stout sensoria; VIII broad at base; male sternite VIII with pore plate...................... 7

-. Antennal segment IV with 4 slender sensoria; VIII often narrowed to base; male pore plate present or absent............. 8

7. Macropterae; hind tibiae brown but tarsi yellow; male sternite VIII with transverse pore plate................. tareei sp.n.

-. Known only from male micropterae ( Figs 22, 25 ); hind tibiae and tarsi yellow; male sternite VIII medially with small, circular pore plate i....................................................................................bisci sp.n.

8. Antennal segment III with 4 exceptionally broadly based sensoria; hind tibiae yellow; male sternite VIII with no pore plate................................................................................................. flavipes

-. Antennal segment III with 3 (or 2) slender sensoria; other characters various...................................... 9

9. Metanotum with closely spaced prominent longitudinal striae ( Figs 5 , 14 )........................................ 10

-. Metanotum weakly sculptured or reticulate ( Figs 6 , 13 )..................................................... 11

10. Pronotum almost smooth ( Fig. 2 ); postocular setae arise behind inner margin of eye ( Fig. 2 ); antennal segment yellow at base but brown in distal half........................................................................ bartlei sp.n.

-. Pronotum with complex sculpture ( Fig. 11 ); postocular setae arise behind mid-point of eye ( Fig. 11 ); antennal segment III clear yellow, IV–V dark brown..................................................................... gloriosi sp.n.

11. Female with fore tarsal tooth absent or minute.............................................................. 12

-. Both sexes with fore tarsal tooth prominent, at least 0.5 as long as tarsal width.................................... 14

12. Antennal segment III with 2 sensoria, mainly brown but yellow at base, IV–V uniformly brown; pronotal setae no longer than antennal segment III ( Fig. 1 ); male sternite VIII with transverse pore plate............................... abrasi sp.n.

-. Antennal segment III yellow, with 3 sensoria, IV–V yellow in part; male sternite VIII with no pore plate............... 13

13. Body largely yellow, brown laterally on head and tergite II; metanotum reticulate between median pair of setae ( Fig. 6 )......................................................................................... brunneicinctus sp.n.

-. Body uniformly dark brown; metanotum with no sculpture between median setae ( Fig. 23 ).................. oreillyi sp.n.

14. Major setae with apices acute, or slightly blunt, pronotal am and aa setae scarcely longer than discal setae ( Fig. 24 ); antennal segments III–V almost uniformly brown; male sternite VIII without a pore plate.......................... quadriconus

-. Major setae with apices broadly capitate, including pronotal am and aa setae; antennal segments III–V dark brown but yellow at base; male sternite VIII with a transverse pore plate................................................... fuscus

Figures

FIGURES 15 – 21. Hoplandrothrips from Australia. hemiflavus sp. n. 15 – 16: (15) head & pronotum; (16) Meso & metanotum, pelta & tergite II. hylaius sp. n. 17 – 21: (17) holotype head; (18) small male head & pronotum; (19) holotype meso & metanotum and pelta; (20) holotype pronotum; (21) male sternite V.

FIGURES 1 – 8. Hoplandrothrips from Australia. Head & pronotum 1 – 3: (1) abrasi sp. n.; (2) bartlei sp. n.; (3) brunneicinctus sp. n. Meso & metanotum, pelta & tergite II, 4 – 8: (4) abrasi sp. n.; (5) bartlei sp. n.; (6) brunneicinctus sp. n. (7) coorongi antennal segments I – IV. (8) brunneicinctus sp. n. male mesopresternum.

FIGURES 9 – 14. Hoplandrothrips from Australia. Head & pronotum 9 – 12: (9) coorongi sp. n.; (10) fuscus; (11) gloriosi sp. n.; (12) howei sp. n. Meso & metanotum, pelta & tergite II, 13 – 14: (13) flavipes; (14) gloriosi sp. n.

FIGURES 22 – 28. Hoplandrothrips from Australia. Head & pronotum 22 – 24: (22) ibisci sp. n.; (23) oreillyi sp. n.; (24) quadriconus. Meso & metanotum, pelta & tergite II, 25 – 26: (25) ibisci sp. n.; (26) quadriconus. Mesopresternum of xanthocnemis, 27 – 28: (27) female; (28) male.