Neohydatothrips

Mound, Laurence A. & Tree, And Desley J., 2009, Identification and host-plant associations of Australian Sericothripinae (Thysanoptera, Thripidae), Zootaxa 1983, pp. 1-22: 12

publication ID

http://doi.org/ 10.5281/zenodo.185353

persistent identifier

http://treatment.plazi.org/id/03FF879D-3332-DC5F-FF39-FD8131F836D6

treatment provided by

Plazi

scientific name

Neohydatothrips
status

 

Key to Neohydatothrips   from Australia

1. Body and wings largely pale, abdominal tergites II –VII with variably brown antecostal ridges and brown lateral areas, pronotal blotch light brown ............................................................................................................................... 2

-. Either the wings or the body sharply bicoloured or largely brown ( Fig. 41 View FIGURES 37 – 45 , 73 View FIGURES 67 – 79 ) ........................................................ 3

2. Sternites IV –VI with discal microtrichia complete across sternite, posterior margins with long microtrichia between each marginal seta ( Fig. 53 View FIGURES 46 – 55 ); mouth cone extending between fore coxae; male not known; on Sida   leaves ................. .................................................................................................................................................................. N. gracilipes  

-. Sternites IV –VI with no discal microtrichia mesad of marginal setae S 2, and no marginal microtrichia except lateral to S 3 ( Fig. 40 View FIGURES 37 – 45 ); mouth cone exceptionally long, extending to metasternum ( Fig. 37 View FIGURES 37 – 45 ); male not known ....................... .............................................................................................................................................................. N. barrowi   sp.n.

3. Forewing with strongly contrasting brown and white bands, extreme apex paler than sub-apical shaded area ( Fig. 73 View FIGURES 67 – 79 ) ................................................................................................................................................................................ 4

-. Forewing not strongly banded, but sub-basal area pale before median darker area and sometimes with indistinctly paler area before dark apex .......................................................................................................................................... 6

4. Antennae 7 -segmented ( Fig. 68 View FIGURES 67 – 79 ); mesonotum with median and submedian pairs of setae almost in transverse straight line ( Fig. 69 View FIGURES 67 – 79 ); male with large transversely oval glandular area on sternites III –VII ( Fig. 67 View FIGURES 67 – 79 ); on Ipomoea aquatica   leaves ...................................................................................................................................................... N. plynopygus  

-. Antennae 8 -segmented; mesonotum with submedian pair of setae arising well posterolateral to median pair ( Fig. 75 View FIGURES 67 – 79 ); male without sternal glandular areas on III –VI.................................................................................................... 5

5. Body largely brown, pronotal anterior area yellow, median abdominal segments bicoloured ( Fig. 73 View FIGURES 67 – 79 ); tibiae and femora brown with apices yellow; abdominal sternites discal area covered with microtrichia, posterior margins with long fringe ( Fig. 76 View FIGURES 67 – 79 ); ocellar setae pair III on anterior margins of ocellar triangle ( Fig. 74 View FIGURES 67 – 79 ); three pairs of postocular setae, median pair elongate; occipital apodeme well separated from eyes; on Tagetes   ........................ N. samayunkur  

-. Body largely whitish yellow ( Fig. 41 View FIGURES 37 – 45 ), but dark brown on anterior part of head, meso and metanota, metasternum, tergites VII –VIII and lateral areas of tergite III; legs pale; sternites without microtrichia on disc and posterior margins; ocellar setae pair III arise between hind margins of posterior ocelli; two or three pairs of postocular setae; occipital apodeme confluent with eyes ................................................................................................... N. bellisi   sp.n.

6. Ocellar setae III clearly anterolateral to ocellar triangle ( Fig. 70 View FIGURES 67 – 79 ); tergites II –VI posterior margin with fringe of microtrichia medially ( Fig. 72 View FIGURES 67 – 79 ); metasternum anterior margin forming a shallow broad V-shape ( Fig. 71 View FIGURES 67 – 79 ) .. N. poeta  

-. Ocellar setae III within ocellar triangle ( Fig. 46 View FIGURES 46 – 55 ); tergites II –VI posterior margin without fringe of microtrichia medially ( Fig. 48 View FIGURES 46 – 55 ); metasternum anterior margin only weakly emarginate ( Fig. 49 View FIGURES 46 – 55 ); forewings with sub-apical lobe ( Fig. 51 View FIGURES 46 – 55 ); on leaves of various Fabaceae   .................................................................................................................... 7

7. Metanotal reticulation almost equiangular, with internal linear markings ( Figs 47, 50 View FIGURES 46 – 55 ); male with no sternal glandular areas ........................................................................................................................................................... N. diana  

-. Metanotal sculpture linear, with internal dot-like markings ( Figs 61, 64 View FIGURES 56 – 66 ); male with transverse glandular area on sternites V –VII ( Fig. 65 View FIGURES 56 – 66 ).............................................................................................................................................. 8

8. Mouth cone extending to mesosternum ( Fig. 66 View FIGURES 56 – 66 ); pronotal dark area with posterior margin deeply emarginate, posteromedian discal setae arise behind blotch ( Fig. 63 View FIGURES 56 – 66 ); metanotum sharply pale on posterior third ( Fig. 64 View FIGURES 56 – 66 ); tergites IV –V medially with few discal microtrichia; sternites V –VII with microtrichial fields not extending mesad of S 2 ... ......................................................................................................................................................... N. katherinae   sp.n.

-. Mouth cone extending to fore coxae; pronotal dark area with posterior margin weakly concave, posteromedian discal setae arise on blotch ( Fig. 59 View FIGURES 56 – 66 ); metanotum brown on posterior third; tergites IV –V medially with many discal microtrichia; sternites V –VII with microtrichia fields extending to setae S 1 ( Fig. 62 View FIGURES 56 – 66 ) .................................. N. haydni